PUA - Process Hacker Driver Load

Status: test
Severity: high
Log source: category driver_load, product windows
Author: Florian Roth (Nextron Systems)
Source: github.com/SigmaHQ/sigma

Detects driver load of the Process Hacker tool

Known false positives

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

MITRE ATT&CK coverage

Tactic	Techniques
Persistence	`T1543` Create or Modify System Process
Privilege Escalation	`T1543` Create or Modify System Process

Telemetry coverage

Provider	Record / event type
Sysmon	Event ID 6: Driver loaded

Rule body

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

Stages and Predicates

Stage 0: `condition`

selection

Stage 1: `selection`

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

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`Hashes`	match	`IMPHASH=0A64EEB85419257D0CE32BD5D55C3A18` `IMPHASH=6E7B34DFC017700B1517B230DF6FF0D0` `IMPHASH=821D74031D3F625BCBD0DF08B70F1E77` corpus 2 (sigma 2) `IMPHASH=F86759BB4DE4320918615DC06E998A39` corpus 2 (sigma 2)	`field:"Hashes" kind:match`
`ImageLoaded`	ends_with	`\kprocesshacker.sys` corpus 2 (sigma 2)	`field:"ImageLoaded" kind:ends_with value:"\kprocesshacker.sys"`

PUA - Process Hacker Driver Load

Known false positives

MITRE ATT&CK coverage

Telemetry coverage

Rule body

Stages and Predicates

Stage 0: condition

Stage 1: selection

Indicators

Stage 0: `condition`

Stage 1: `selection`