Process Memory Dump via RdrLeakDiag.EXE

calendar Aug 29, 2024 · attack.credential-access attack.t1003.001  ·
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Detects the use of the Microsoft Windows Resource Leak Diagnostic tool "rdrleakdiag.exe" to dump process memory

Sigma rule (View on GitHub)

 1title: Process Memory Dump via RdrLeakDiag.EXE
 2id: edadb1e5-5919-4e4c-8462-a9e643b02c4b
 3related:
 4    - id: 6355a919-2e97-4285-a673-74645566340d
 5      type: obsolete
 6status: test
 7description: Detects the use of the Microsoft Windows Resource Leak Diagnostic tool "rdrleakdiag.exe" to dump process memory
 8references:
 9    - https://www.pureid.io/dumping-abusing-windows-credentials-part-1/
10    - https://www.crowdstrike.com/blog/overwatch-exposes-aquatic-panda-in-possession-of-log-4-shell-exploit-tools/
11    - https://lolbas-project.github.io/lolbas/Binaries/Rdrleakdiag/
12    - https://twitter.com/0gtweet/status/1299071304805560321?s=21
13    - https://news.sophos.com/en-us/2024/06/05/operation-crimson-palace-a-technical-deep-dive
14author: Cedric MAURUGEON, Florian Roth (Nextron Systems), Swachchhanda Shrawan Poudel, Nasreddine Bencherchali (Nextron Systems)
15date: 2021-09-24
16modified: 2024-08-15
17tags:
18    - attack.credential-access
19    - attack.t1003.001
20logsource:
21    category: process_creation
22    product: windows
23detection:
24    selection_img:
25        - Image|endswith: '\rdrleakdiag.exe'
26        - OriginalFileName: RdrLeakDiag.exe
27    selection_cli_dump:
28        CommandLine|contains|windash:
29            - '/memdmp'
30            - 'fullmemdmp'
31    selection_cli_output_process:
32        CommandLine|contains|windash:
33            - ' /o ' # Output
34            - ' /p ' # Process
35    condition: all of selection_*
36falsepositives:
37    - Unlikely
38level: high

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