Potentially Suspicious Child Process of KeyScrambler.exe (via process_creation)

title: Potentially Suspicious Child Process of KeyScrambler.exe (via process_creation)
id: fb95920c-7cc9-54b3-b893-d2cc0092db5d
status: stable
description: This rule detects potentially anomalous child processes of KeyScrambler.exe
references:
    - https://attack.mitre.org/techniques/T1574/001/
    - https://attack.mitre.org/techniques/T1203/
    - https://twitter.com/DTCERT/status/1712785421845790799
author: Huntrule Team
date: 2026-04-04
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