PUA - Process Hacker Driver Load — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: high. Source dates: 2022-11-16 / 2024-11-23.

{
  "category": "driver_load",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: e9aec78647b69df2b5884666ab9a7709647ae11d19181ad1535e2a8c07b60e65

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: PUA - Process Hacker Driver Load
id: 67add051-9ee7-4ad3-93ba-42935615ae8d
related:
    - id: 10cb6535-b31d-4512-9962-513dcbc42cc1
      type: similar
status: test
description: Detects driver load of the Process Hacker tool
references:
    - https://processhacker.sourceforge.io/
author: Florian Roth (Nextron Systems)
date: 2022-11-16
modified: 2024-11-23
tags:
    - attack.persistence
    - attack.privilege-escalation
    - cve.2021-21551
    - attack.t1543
logsource:
    category: driver_load
    product: windows
detection:
    selection:
        - ImageLoaded|endswith: '\kprocesshacker.sys'
        - Hashes|contains:
              - 'IMPHASH=821D74031D3F625BCBD0DF08B70F1E77'
              - 'IMPHASH=F86759BB4DE4320918615DC06E998A39'
              - 'IMPHASH=0A64EEB85419257D0CE32BD5D55C3A18'
              - 'IMPHASH=6E7B34DFC017700B1517B230DF6FF0D0'
    condition: selection
falsepositives:
    - Legitimate use of process hacker or system informer by developers or system administrators
level: high

Original YAML and metadata in JSON

False positives

• Legitimate use of process hacker or system informer by developers or system administrators

Source references

• https://processhacker.sourceforge.io/