sigmacriticalHunting

Potential Credential Dumping Via LSASS SilentProcessExit Technique

Detects changes to the Registry in which a monitor program gets registered to dump the memory of the lsass.exe process

MITRE ATT&CK

credential-access

Detection Query

selection:
  TargetObject|contains: Microsoft\Windows NT\CurrentVersion\SilentProcessExit\lsass.exe
condition: selection

Author

Florian Roth (Nextron Systems)

Created

2021-02-26

Data Sources

windowsRegistry Events

Platforms

windows

References

Tags

attack.credential-accessattack.t1003.001

Raw Content

title: Potential Credential Dumping Via LSASS SilentProcessExit Technique
id: 55e29995-75e7-451a-bef0-6225e2f13597
related:
    - id: 36803969-5421-41ec-b92f-8500f79c23b0
      type: similar
status: test
description: Detects changes to the Registry in which a monitor program gets registered to dump the memory of the lsass.exe process
references:
    - https://www.deepinstinct.com/2021/02/16/lsass-memory-dumps-are-stealthier-than-ever-before-part-2/
    - https://oddvar.moe/2018/04/10/persistence-using-globalflags-in-image-file-execution-options-hidden-from-autoruns-exe/
author: Florian Roth (Nextron Systems)
date: 2021-02-26
modified: 2022-12-19
tags:
    - attack.credential-access
    - attack.t1003.001
logsource:
    category: registry_event
    product: windows
detection:
    selection:
        TargetObject|contains: 'Microsoft\Windows NT\CurrentVersion\SilentProcessExit\lsass.exe'
    condition: selection
falsepositives:
    - Unlikely
level: critical