Password Dumper Remote Thread in LSASS

calendar Aug 12, 2024 · attack.credential-access attack.s0005 attack.t1003.001  ·
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Detects password dumper activity by monitoring remote thread creation EventID 8 in combination with the lsass.exe process as TargetImage. The process in field Process is the malicious program. A single execution can lead to hundreds of events.

Sigma rule (View on GitHub)

 1title: Password Dumper Remote Thread in LSASS
 2id: f239b326-2f41-4d6b-9dfa-c846a60ef505
 3status: stable
 4description: |
 5    Detects password dumper activity by monitoring remote thread creation EventID 8 in combination with the lsass.exe process as TargetImage.
 6    The process in field Process is the malicious program. A single execution can lead to hundreds of events.    
 7references:
 8    - https://jpcertcc.github.io/ToolAnalysisResultSheet/details/WCE.htm
 9author: Thomas Patzke
10date: 2017-02-19
11modified: 2021-06-21
12tags:
13    - attack.credential-access
14    - attack.s0005
15    - attack.t1003.001
16logsource:
17    product: windows
18    category: create_remote_thread
19detection:
20    selection:
21        TargetImage|endswith: '\lsass.exe'
22        StartModule: ''
23    condition: selection
24falsepositives:
25    - Antivirus products
26level: high

References

  • WCE

    1 Microsoft-Windows-Sysmon/Operational 1 Process Create (rule: ProcessCreate) Process Create. LogonGuid/LogonId: ID of the logon session ParentProcessGuid/ParentProcessId: Process ID of the parent ...


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