HackTool - PCHunter Execution

 1title: HackTool - PCHunter Execution
 2id: fca949cc-79ca-446e-8064-01aa7e52ece5
 3status: test
 4description: Detects suspicious use of PCHunter, a tool like Process Hacker to view and manipulate processes, kernel options and other low level stuff
 5references:
 6    - http://www.xuetr.com/
 7    - https://www.crowdstrike.com/blog/falcon-overwatch-report-finds-increase-in-ecrime/
 8    - https://www.hexacorn.com/blog/2018/04/20/kernel-hacking-tool-you-might-have-never-heard-of-xuetr-pchunter/
 9author: Florian Roth (Nextron Systems), Nasreddine Bencherchali
10date: 2022/10/10
11modified: 2023/02/13
12tags:
13    - attack.execution
14    - attack.discovery
15    - attack.t1082
16    - attack.t1057
17    - attack.t1012
18    - attack.t1083
19    - attack.t1007
20logsource:
21    category: process_creation
22    product: windows
23detection:
24    selection_image:
25        Image|endswith:
26            - '\PCHunter64.exe'
27            - '\PCHunter32.exe'
28    selection_pe:
29        - OriginalFileName: 'PCHunter.exe'
30        - Description: 'Epoolsoft Windows Information View Tools'
31    selection_hashes:
32        Hashes|contains:
33            - 'SHA1=5F1CBC3D99558307BC1250D084FA968521482025'
34            - 'MD5=987B65CD9B9F4E9A1AFD8F8B48CF64A7'
35            - 'SHA256=2B214BDDAAB130C274DE6204AF6DBA5AEEC7433DA99AA950022FA306421A6D32'
36            - 'IMPHASH=444D210CEA1FF8112F256A4997EED7FF'
37            - 'SHA1=3FB89787CB97D902780DA080545584D97FB1C2EB'
38            - 'MD5=228DD0C2E6287547E26FFBD973A40F14'
39            - 'SHA256=55F041BF4E78E9BFA6D4EE68BE40E496CE3A1353E1CA4306598589E19802522C'
40            - 'IMPHASH=0479F44DF47CFA2EF1CCC4416A538663'
41    selection_hash_values:
42        - md5:
43              - '228dd0c2e6287547e26ffbd973a40f14'
44              - '987b65cd9b9f4e9a1afd8f8b48cf64a7'
45        - sha1:
46              - '5f1cbc3d99558307bc1250d084fa968521482025'
47              - '3fb89787cb97d902780da080545584d97fb1c2eb'
48        - sha256:
49              - '2b214bddaab130c274de6204af6dba5aeec7433da99aa950022fa306421a6d32'
50              - '55f041bf4e78e9bfa6d4ee68be40e496ce3a1353e1ca4306598589e19802522c'
51        - Imphash:
52              - '444d210cea1ff8112f256a4997eed7ff'
53              - '0479f44df47cfa2ef1ccc4416a538663'
54    condition: 1 of selection_*
55falsepositives:
56    - Unlikely
57level: high