Sigma rule: PUA - Process Hacker Driver Load

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8cf934dbc2ad, updated 2024-11-23T00:00:00.000Z.

Rule

Title
PUA - Process Hacker Driver Load
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2022-11-16
Modified
2024-11-23
File
rules/windows/driver_load/driver_load_win_pua_process_hacker.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects driver load of the Process Hacker tool

Log source

product
windows
category
driver_load

Detection

selection:
    - ImageLoaded|endswith: '\kprocesshacker.sys'
    - Hashes|contains:
          - 'IMPHASH=821D74031D3F625BCBD0DF08B70F1E77'
          - 'IMPHASH=F86759BB4DE4320918615DC06E998A39'
          - 'IMPHASH=0A64EEB85419257D0CE32BD5D55C3A18'
          - 'IMPHASH=6E7B34DFC017700B1517B230DF6FF0D0'
condition: selection

False positives (as the rule lists them)

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

Tags

  • attack.persistence
  • attack.privilege-escalation
  • cve.2021-21551
  • attack.t1543

CVEs this rule names

MITRE ATT&CK ids this rule names

Related rules

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/driver_load/driver_load_win_pua_process_hacker.yml

Sources and licences

  • SigmaHQ

    "PUA - Process Hacker Driver Load" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/driver_load/driver_load_win_pua_process_hacker.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: PUA - Process Hacker Driver Load",
entity page, dataset version ref-8cf934dbc2ad, updated 2024-11-23T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/67add051-9ee7-4ad3-93ba-42935615ae8d (accessed 2026-11-03).
Underlying source: SigmaHQ rule 67add051-9ee7-4ad3-93ba-42935615ae8d, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.