sigmacriticalHunting

Potential Credential Dumping Via LSASS Process Clone

Detects a suspicious LSASS process process clone that could be a sign of credential dumping activity

MITRE ATT&CK

credential-access

Detection Query

selection:
  ParentImage|endswith: \Windows\System32\lsass.exe
  Image|endswith: \Windows\System32\lsass.exe
condition: selection

Author

Florian Roth (Nextron Systems), Samir Bousseaden

Created

2021-11-27

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.credential-accessattack.t1003attack.t1003.001

Raw Content

title: Potential Credential Dumping Via LSASS Process Clone
id: c8da0dfd-4ed0-4b68-962d-13c9c884384e
status: test
description: Detects a suspicious LSASS process process clone that could be a sign of credential dumping activity
references:
    - https://www.matteomalvica.com/blog/2019/12/02/win-defender-atp-cred-bypass/
    - https://twitter.com/Hexacorn/status/1420053502554951689
    - https://twitter.com/SBousseaden/status/1464566846594691073?s=20
author: Florian Roth (Nextron Systems), Samir Bousseaden
date: 2021-11-27
modified: 2023-03-02
tags:
    - attack.credential-access
    - attack.t1003
    - attack.t1003.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\Windows\System32\lsass.exe'
        Image|endswith: '\Windows\System32\lsass.exe'
    condition: selection
falsepositives:
    - Unknown
level: critical