Potentially Suspicious Child Process of KeyScrambler.exe

Title: Potentially Suspicious Child Process of KeyScrambler.exe
Status: test
Description:Detects potentially suspicious child processes of KeyScrambler.exe
References:
  -https://twitter.com/DTCERT/status/1712785421845790799
Author: Swachchhanda Shrawan Poudel
Date: 2024-05-13
modified:None
Tags:

• -'attack.persistence'
• -'attack.execution'
• -'attack.privilege-escalation'
• -'attack.stealth'
• -'attack.t1203'
• -'attack.t1574.001'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection_parent:
    ParentImage|endswith: '\KeyScrambler.exe'
  selection_binaries:
    - Image|endswith:
      - '\cmd.exe'
      - '\cscript.exe'
      - '\mshta.exe'
      - '\powershell.exe'
      - '\pwsh.exe'
      - '\regsvr32.exe'
      - '\rundll32.exe'
      - '\wscript.exe'
    - OriginalFileName:
      - 'Cmd.Exe'
      - 'cscript.exe'
      - 'mshta.exe'
      - 'PowerShell.EXE'
      - 'pwsh.dll'
      - 'regsvr32.exe'
      - 'RUNDLL32.EXE'
      - 'wscript.exe'
  condition:all of selection_*
Falsepositives:
  -Unknown
Level: medium