Observed IOC: Malicious sender email addresses

Detects inbound messages from known malicious sender email addresses. IOC list is automatically managed and hashed by the IOC pipeline from the private threat intelligence feed.

Sublime rule (View on GitHub)

  1name: "Observed IOC: Malicious sender email addresses"
  2description: "Detects inbound messages from known malicious sender email addresses. IOC list is automatically managed and hashed by the IOC pipeline from the private threat intelligence feed."
  3type: "rule"
  4severity: "high"
  5source: |
  6  // AUTO-GENERATED IOC LIST - DO NOT EDIT MANUALLY
  7  // Managed by automated IOC system
  8  type.inbound
  9  and hash.sha256(sender.email.email) in (
 10    '0004f01dc9ee385b299b774fbd0010c6da8164833d2ca0816ba648085e49051a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 11    '0025925158ebaf2924dc24ff2d2c31c8613e2023b5bae2101cb1e752ff187eba', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 12    '00b060930b9543a8e53680eeec51b8f0ea26171f841ba405b6a2bae4f4a16d13', // Observed malicious sender
 13    '01fb95a71c2e61353d73ad4b540297927f8c3c94cf82605e0362e9e08919241b', // Observed malicious sender
 14    '03f4447e4e825556bd7f47093b610e80f7962b0dfa62027b8e5f4315d7856d62', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 15    '04ad2551e2fb00d428e8ea108ee3a793a68d4bdb23507909059d32456bc89175', // Observed malicious sender
 16    '054a555253046cedcbcec7ef343b0b7e3ad923a016c08c45e9346dba1bd30726', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 17    '062a0829f242e71ffaa3943294a6f4e9f504510813a5ee83c457bce0c6c74e11', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 18    '071e6532db98bebbb6d5ec4656f371c2f5237ef3ff6bc599804bd0160c7f9517', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 19    '072ad26b13508033eebde6e5070cf6d8aa09d7414d64da7b69bd82f6e8f683bb', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 20    '07447603538582dab2e8ee62920a7435cc9b756bcbc7f94054d373b6232460d7', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 21    '0a9244cdee70d32d8065e20e52c7bd8dd5f45b1c9667f0a60f8b03e1398bbf71', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 22    '0bc24e314a84b7c97d4afae97511506aca1cebaf481a906e20e264beb8ea7da7', // Observed malicious sender
 23    '0c79c4fa99676652637adf509395f6fb474922e08f1760b48d45acf37961a0a1', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 24    '0cb0ec45f1392918c2f720f262df8883ae5feb7f3f7fcab3e39a0c659dd29e55', // Observed malicious sender
 25    '0d7906e61f89af2bfbe63d749ec7681950410a81819baf307ed26a2a4ceb5605', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 26    '0e200a346995e3b0b8a339ddd57f439ce8d4961a5530ce4d8becbd17db562b08', // Observed malicious sender
 27    '0e353d693172e5409d8f7efca3f274a0f9c568142615a865ce013bb2cfdc71f7', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 28    '0efd3093b90370fa035b187a710e1bc2ae85705850260c3efdcf0e887ff8c9db', // Observed malicious sender
 29    '0fe6070072580c44577931b8b61febab507e1721439481777a3c8ef218950189', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 30    '110e998853b48917bec1721e5de346da6bb59e56c81b3d7a7218521455321527', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 31    '1127c5e25e2155b4e9a1aa7ebfd0269373697032eb6d037b2b1773636620777f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 32    '12170cccd307602216eac235d3176f547ce89fb492eccbdbed19a2748f7264fb', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 33    '12e43526e75cf27e10b97b0c1d7f673028450020031ada7e21525a12ad174724', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 34    '131f2f1f4d53adf813008ef0442f741800589f6c80d2ed75022de3cbfb19699d', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 35    '16527a63209b668a15eb474b91b7bbb7a5c8282e4dcd8ce68044772677855c2b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 36    '16599313a98b7432e9756a1c4ab7693b454850ba025a23a656d15ed643fe2014', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 37    '16944bb3724b4ecb0ffcfd5634fdc373b76891e6689e754154032777ebe12c6a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 38    '1798bdb84f24fcc6b5442071fa1c405457ea5dcc73c3f0540e4280ebec041d3e', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 39    '18ac731a9858023e2b59114b6a861e10858c8d577ddf7ca7f7dd13984166a83e', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 40    '19c288bd2baa150a12078d1310c3094b2ddd7fda8ba42d283be861a50615a924', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 41    '1a01ef4c29dcd924f903c6d2af54335acecf5e2289a41d69f1799005d07a8a0f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 42    '1a80fa436062f7deeea549b7f4d2b9db44c4ffef9d153fa8566a478de2876118', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 43    '1acbc86f2347911378c5803f3fff4b2db5e8355ebd1a656e7da89cea3b4479e0', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 44    '1b3f7a9f96d368268612f38aa535178ba2905ded7773a7dc15a93628bfc854e4', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 45    '1b7110520c715083c62cefd91b7129525ad1fcf5512fb78847e8eb16747ecd93', // Observed malicious sender
 46    '1f9f044f5f4f108480264b5df8b623215c9d2e425331a22d67e6709fce0bef0a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 47    '2040a34f81cfa9b83e25fd49aa853ea55e2af03c2f6bb521d02babc94c25359d', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 48    '217fb9a42153586697f35abd87908d13cd821c1e90769b8f6601ece91455718d', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 49    '236f39a7019cf6e51a95de2074e17ffc6f5552c3c6c999cf34683b88915d756f', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 50    '2383fd0534e334243246377850eda12c5a29edff93259caa91e543acef30fcf4', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 51    '23c62826bbcf57ba73b802de9ff676e7c470ef20d3b6651a81b371fa3e00bbf1', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 52    '23d30b83c60509d03e79c2673ab0c1b9a9fe5dda07a2198df43038cb153d7ae7', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 53    '23d51790ce4482897006c98b3ad51e89731120ff5ffe550ef4e465495a6540bd', // Observed malicious sender
 54    '2428a08e180812cb74fb0930df94d299f444403a4cedc2fdb958e4de0ca72517', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 55    '249fdecf8c13707087a66615e8777af844873136dca22dce66955a9fa0c62f54', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 56    '273ead1b544583c83904a980ac566ca06c890ab5ce3e3099479d16ef8ee56421', // Observed malicious sender
 57    '282e90ee0f5ded51b49c9bf06be61ae70fe455282a3719ad2dba9aff3dc9757b', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 58    '298e3bbd5441f58bf33082da80ae0229cd0fa17054e3432199414a4706d05bc8', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 59    '2bca99dc80ed69d4ff757ed3259882862b107fc6ecc72ce030123954aa896182', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 60    '2d9d53c3991cd29ded163caaca5379f9ed2bad0e90cbee80f494a7003fc4ba29', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 61    '30497db58c2865530f352d8605072c6cdcb553d496ab237fc3196f3133795c25', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 62    '306bddcc8efbeed15553380ede95273d10438f4e4d8190963bd1cc58178560d1', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 63    '3190d9232f76f2636a06b1e39d934ddd23774e978ff5a5239eb4aa9eafd5e806', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 64    '36387b3610f581c3ff95f77130dc8faa8cf2046b0e610f4138bbe89651f4afff', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 65    '38347ae9a4c20cbd3d4908c29e5046d2ad5026a28e7d3ce482151ac7d2bf588c', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 66    '38a8e112af8d9252b3f51a8ba94003631bc4c9bf6ef60941521169382c8f546e', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 67    '3abf8f34e546677fd2a4ec081bcd6ec11d80fcadd49e83b342a9aec6fb723231', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 68    '3c6d0480a53df3b3c3e2c27a210d99d9704e02814e1d11507e02490695eb8806', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 69    '4249dea393334f7526450a59092d3ae3c2b57ce5473ac8c43700a1811b24b79a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 70    '4364378d659a6b97ddec4f37fff2c59c7fabfc4e576fb5876ac2e9bcec31d542', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 71    '43e610255bac2342a7f16f0a442962e8f9a13b90a37425d31ddbd88b058d0d9d', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 72    '45c0c14258e227b8c1b8cfaad30d10351bfa68c9a5e03a52927943b4f6049eff', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 73    '45df5110a927dc6160ee706784b4b3f75bc3f9154c75b3c28a524501a25943f5', // Observed malicious sender
 74    '48f87ee437793b1d2f8faf51dd2a5748f7a67f67fc0b168e861beeb28f371b59', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 75    '4bd612d0513e4be9d62a13fff090a163b7fe55534ee8cd6a95b4f925d558210a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 76    '4fc1f40c3dce21cdc1416a0932cdacd9b8cf20c6cd8993c3f5784bf4d6b9fc4c', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 77    '5072d99c5b7c54ed31bdacd396a646a237dc7921822f442a2d36bc63eb3ded7b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 78    '5088966877d8065394ac600df092d315bbb7e8a3ba18f1bc1e46bf12118bbc35', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 79    '50ae47f0a347fc4f9403361b5626f2397657d768196afe7378fe613e9077102f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 80    '521f15c8df742711d6a5e41077569037c45205d73b0ef79b6b7c7b1a947db397', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 81    '54c49afa6a2b40d9ef8cef1be579a62fd941070d5d423ed44ca02d7a75c78f99', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 82    '54e9c00529e925b43d578e8b1cb5efa2c634992ff871b98715b10d96b49c97c3', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 83    '5915f865d7aa335645d6eb8c6de4f2b555044da805cb699d7ef144ef7e4db0c1', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 84    '597628907508fd4ba364bbe8113d950b95fe07511d077043c8a2b266e3cdedc7', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 85    '5a13688445cbe7a317357c3965cc5cba2db610fb18eee85c8cef43937b9d0c0f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 86    '5a3e0172e9f47403a5211107fa7bf4f9e4c123db10bce71a56dd24dab210472b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 87    '5ab4530f353445bc3cd68b1131cb77abf71cbf2490f777190e2db6ff21fab7d1', // Observed malicious sender
 88    '5b508f66848ab601fd3544c927b095362b884ff7c96a863e5c4ca898b25ba290', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 89    '5b5be14defe0402d391348747d654cefa42685470bcea9080c1db55a7beacddb', // Observed malicious sender email
 90    '5c5ad5fda56f9659a2c1710d37f94eb2da19e941e75d9b59ccbd85b44a7b99ed', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 91    '5c693feb863201cf47f7845815eda91bb3f5cb80d0cca995f18c939fefecf21a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 92    '5e06e423fbf619f98f0aa67b0bce107c85e8e53e65e1c9a58997b306773cfadb', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 93    '5ec704a8f5f01a6fa672656573abf9c70154a1a2af0a3123406afb3091ef0537', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 94    '6057ccf37d8286e1ae7d8dfd1789fe60791f2bc39600631f0551712cc8661e5e', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 95    '637bfb85dc1f4f13ca89f1ecae0ea67745800e25d2ffe8a7ac89ac3fd961c944', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 96    '63fc0efb6cb07fe669b6baff257143075488f457fa2571ab86d10e5316d66483', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 97    '66771511747b19c3015adbbadd4e1d54d0db51c646f3c28b34b1fa09ee772afe', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 98    '6743c1d4689d9c0b1f807a7ae8b69676b42a6ce33df41ec51f471afe39c13367', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
 99    '682690942d17fcfdab558aeb4dc2731f51666adabfad813e1f4b6e3843a2c605', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
100    '68e096fe2d9e586026cbe19d4b718ab64b0f4aae0aca3021c0f77e6f5e7512ec', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
101    '69445041cb7a92d9283d016fe79f20ca740aa4244afa966df1f27c9c1f9ab0cd', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
102    '69bb39e7e9fc344ed53bf59bf46ab39601ff098e1fe28730f5dbdb6dd5cc2e92', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
103    '6a185db48b17bb707ad12cb0839babf4eebd45c2e648fb5606afb16fb64f9f4c', // Observed malicious sender
104    '6ba83ae804722e49e6e3b876b5830dfe6044b5b8767aed9d5b2e2b168b835cde', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
105    '6bcb6d890034877d208a211b2b2fc4e34e477a4a588c610f7ddd6d4fcad30821', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
106    '6dd1daf7fab34d399a3307b0ab85a2c7d4ae4f9e42e0a226811f6d4d362b9d4c', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
107    '6f9a75a9a30c46798d67cf29265c8fb9255d05f9929156470c87e85a19f83254', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
108    '7044b353baffec52f9de4bb653e76485c6829328443d7fbd6f38fdd160c16055', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
109    '70855e72100e8ada3eddeacd781116929015ed87284dfdac46ec680ad4aaa193', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
110    '70e1030db9d32f156df07d445ee2bdc71fa37d3e9cde4418c5db6e2560f711cc', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
111    '73267f82cfef50641282935512e3d291d2c681aebd58c8ba7950af8236626912', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
112    '746f335cb574668d6e435e21e98a800e6b7bf92dde423963ef5aede5712ada2b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
113    '7516a9a2ed9016192434dd81db055d23dccba29731343f12be7f7dcb324a439e', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
114    '762c9ce5b716f3b385559fb09e7510661267797ea556eb866cbd1727424fdaca', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
115    '766d628cd39125d9a6bce62dff3203cdc47d1a74e83f05157ad4fd28771974cd', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
116    '77dbd254b71aedc57d3247f9273b23a0ff191ebeafd4fe231048959f0191d524', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
117    '7d3ecab1afc389186703af31545b4b7485ff20ad130167d641a178bf88850f1f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
118    '7ecd366c4bc3213afe9374bf72d1e8151c1fcba1d1de800a7b9d9f58796835d1', // Observed malicious sender
119    '7f6a1cadfd6cbdc412e25021725006324d84aeb4ba3e366d772e92887937bf15', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
120    '8030cd12e522cf160c85171bfaee999d095e79bd66815d4604f5e4406a1c566c', // Observed malicious sender - multiple cred phish lures
121    '80c2073c491f2330f6f9d87cfd0e9ca485ef3cb293c2fb8759a6edefa45ed0be', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
122    '85041984096b0421bae2ee2f3d8b226f5d3335323af69ad44ff427059642856b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
123    '89f1d71e971311f8d39a86a1bffa3b8c66f9e4c6569050af6424ae77d45242ec', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
124    '8a47d2234827f5ded1d6bc235b16bf78b6f993c5799b4145888de15ba9a5e741', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
125    '8b40a21077bb1d0807c9535d84fde1087d946d7a88b9025fe018bbdc6f08f23d', // Observed malicious sender
126    '8ccd1976165c5acf2be6d44e89c95808574b584a2289354059554ba92f3ee355', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
127    '8f70301abb6faa9b1b0463bda1a42a153a49c849dae45c24ca087b49cbd6f16f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
128    '904e10d30ea2b3ba2f2a8b79645b18998e47d13258a03577242d65b3367fbd10', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
129    '91af23121133f55ed3e3daa4f519c76565806472292d4cedbc2c2ceda0aff059', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
130    '92b022313ffa3406da6cb095c2f8aa3404b401fea6ff9786f748663b9da6539f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
131    '9472ab67914ca4eb86fb7c4b726bef67c194bbbd430871570e53ba148099c502', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
132    '949999f91a3feac5a7b82ce881d1a32f8aea674ff928f5a7f8950076033272d7', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
133    '94a586de7ec274964f27506d5f27a6d717a1d472306017737ea067830889fb98', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
134    '95f01da32fea6a5c28b5453568b7d3977a76e3ae42e7375534f22cd5c43c089a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
135    '99673797051adaeb68dc8b07624ba300472cf9cff1a995fa1f95d8b6685374dc', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
136    '9b4bc1752d36bb4718a2a30342761e8ccecb5d64dc9164c3127dab30614811d8', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
137    '9ee9228bc6dcb8628d144d63c21d436f427719672dc1ff01e9f5845059424ea6', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
138    'a0d8f3435d51f1e452dd4cc99f533b718d52f32ceee0e4311fa0b721368b634b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
139    'a18ddb2b10a3a42bbbbc6300dce305703607cf9a12ed737da9f5576b879b1113', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
140    'a25568f7bea934cb12b3a5640e711701fc648b5d329c39f97af299e48f18451c', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
141    'a2bbaa6824197630b7b9fb12296405481f6d2224194559c1ee39a635f8603cfc', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
142    'a3e2ac92f5de8d20c54480ab3a61f33be788de8e9467bc18fc5e0b6a0d6da2ed', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
143    'a484fa16fb013b579b1f4006cc42d20da09541271c5f93312b4d02dbeba8385f', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
144    'a61e3cfff46af4b989c3b9ef15fc530d49b02833387503277c25701dc8240ed1', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
145    'a73aa957cd96d7cf65c2933636a5b88a10bd9223f43a493d7d030a67efab3e57', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
146    'a867247b8ccfc2299abe14585264d8a09bc1786f8ca4e2340ebf7c276b0b9af7', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
147    'a92c27104a2bd50691964990abd72d2115b676d1f840a27699b9c505290108f7', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
148    'a9f9953ba7510a4ab38bc4602914b2d2aeb2679164494d984ca68b9e1b7d869b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
149    'abd5ceb9b3abbd53544b99ded01b9a993c38b3133b0905d62006f8d378e5f8d8', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
150    'aee561d4926ae4535a732b4649ea27a5ccef7a18b28775b162d095e11820a52c', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
151    'b10df2f1de40412802796ec5895eff9c92880f378aa4f301608cc5dab1fc7515', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
152    'b2051a0fd6b19df331f4ee71671c8a6fc621544fb046574edd8233a585247d0a', // Observed malicious sender
153    'b282f3e253bf6a2aa02d484f2edacc2f20338ce37fe157d8817ba96321af6766', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
154    'b2dfca515de73047279efe855337aa3c7d6179f7b0d7dc35921fb0377b618baf', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
155    'b3413ce41fc413b11ba8fd0b58c71e3a811169cc2ac783154eaaf37e84fe7bbe', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
156    'b3e89ebfcc45a1fd5f254b8d04c5275d968af4618a7a8c5f6cc75b8d941bd448', // Compromised real account used in VIP-impersonation invoice/payment BEC with fabricated reply threads
157    'b45eb5412cc803dec77d6c7abea7ce0e6e3abc72ec75ac19a4f16c9cee65b91b', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
158    'b53cf0459ca41ca4c51c15d4be23113aeee4d77a77f7f01761e416b6896011b9', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
159    'b5a9dd56b5f7bc80c19c1f82b1bceb2d7e8bf42c1edf22346454c7c3a337d399', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
160    'b6df58873af5b6edde8f19e46bd7ed10bd0c7b61d4adda29506b05c5f0ef057a', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
161    'b7281cf68223954ebe25b926a93d4073fa160430de9d90546bde6c34ff1418c5', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
162    'bb24567ae519d6391aba7c28597fbf84a1c9b283bcd9e8d9383e4345c7ee0dcf', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
163    'c36ab707c4867b70407bfc0d9a4b069350080fdc820626f9a54f88ca905a3c97', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
164    'c58703f9493a1ba83cfce49fc8afb2fbfc7442ea87abdeb74727a6b21e81d5ec', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
165    'c7c688e8204b906d36f4ce1f8bab9238a5eed71d0e5021ac9966c63df027c2bc', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
166    'ca2e7c13010d96bf2286342dc7ea87ec67232e29b5e659820210e01cef273081', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
167    'cba8a0af5e7215c47dff6acf2a2e5bd0a52db3b52ba1bb6ced691087bfe5d593', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
168    'ce2be5b5f5f2e6d1d9d8619c832e94cfa804ce4839d834d1af510a769e7a7d16', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
169    'cf75ac0cb2baeaa1bf657101ca7ae0c300398509298f615e3d05fea7216da05c', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
170    'cfa974b119ad8212b484a0229914ff1405ca9b8c7489166420986b3576b7da7d', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
171    'cfe6deedfb19c2b10e7b4d141a75421e34e846545dcbd4da67ccca4c28336cb2', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
172    'd1105548f3549d3e676268efbdf0f0a419cba259317738f3a322f68a3b042461', // Observed malicious sender
173    'd727d5b6cb6239d9d7a5549862d2fcbafe79efefe8f5f98f91d716a86653c06f', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
174    'd74e6eddf9abd425d77adced3fb56eb96a164b2a56a28e0d75d08ede43d51cd4', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
175    'd7a310ef6cb3f4e842b17d268a52391675477f71475b63a4cf1cee6f9bd94ff5', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
176    'd8a51f45c253a7032e8192237f8a8a070670f1631c5943a6bbd49dff5fef22a4', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
177    'd9a21bdddc5bfebedafb827c71e3d014b64e68c18911e74a298352d7cc1fc552', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
178    'd9b1a194be864f755ad19767c53bfc54dd27fb69464fc9d6b0729f4f82267f42', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
179    'e02c4ad389225617a5fe12c012348a928f6c2159b378afb28d4d1f5f1e541376', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
180    'e1509d8bf5ad644ed6eb5eb8cde1c5962ed8a3c18142ee753d24b185705facff', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
181    'e1a4513ed83d89a26bd5216b871b8bfda892e5cce47f539a0c04f36e93cc0077', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
182    'e2dd8628371377d56c761817ed6676c5ccd2e9870f1b8cb7b63467f0d387d8fd', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
183    'e7c699fb15764decb4193d06537fd56d2ebb7e6af19919dd9b489815c200ea2c', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
184    'e8a9768b0450f6383b427808fa6855e617e0f2210cfad339879a25f194aca25d', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
185    'eb1e5843a298cfb84f6b443ee59e3e5385a9d047dccb2e2d568e71b8688d74a5', // Observed malicious sender
186    'eb6fdf648b34efa0d7eed5ac971d12d2fbc5d8f8fa3c5d3abe7d307b3f1367f2', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
187    'ed227a85dd447f006e6c34ffe955bfbfd864b88e0ef91ddfc1c7f5546bdf6f90', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
188    'eeb6b71f9c3090dedbd6018df4edeb5d4c86f4819ab0223654ad44c32bac3503', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
189    'f0d099bfdabc2c0ac8f8561a64d66e9e6ee1207fc560db8fe07771fbfa4bdd52', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
190    'f12e13befd897b6b9ea41f1b299200fd71fb5137d6c0866f5af0984ac91a30cf', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
191    'f31d0f49475966eea47015c6ef2888a2d8805eef2df40805808ded010183f170', // Throwaway/lookalike sender address used in VIP-impersonation invoice/payment BEC with fabricated reply threads
192    'f4116dde162ca98aeabba276d40e2d7306b4a63332b67dc994bf9278452a2c60', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
193    'f47441d1d8080fd855a7ebc8ba3549958929f7d2acc70417438319bab03531bf', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
194    'fa0038a882392e5496003d074ba4f627b377efe20e2cbe8aad9b8547b9222771', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
195    'fa8ac775c0747999f0733c1197e1540b5db9e456a36014347c880b03a3b2aada', // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
196    'fe218207660e4c9570cea198ab32c90af1e8ea7449f188b9f3683246a1808ca3', // Observed malicious sender
197    'fff3c2530f6cc63385b2de940cc3e2c471561a3e5c28f77c650f203f1e86d6f0' // Free-mail persona used in VIP-impersonation invoice/payment BEC with fabricated reply threads
198  )  
199
200attack_types:
201  - "BEC/Fraud"
202  - "Credential Phishing"
203  - "Malware/Ransomware"
204tactics_and_techniques:
205  - "Impersonation: Email address"
206  - "Social engineering"
207detection_methods:
208  - "Sender analysis"
209  - "Header analysis"
210id: "b1c2d3e4-f5a6-4b8c-9d0e-f1a2b3c4d5e6"
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