HackTool - CreateMiniDump Execution — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: high. Source dates: 2019-12-22 / 2024-11-23.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 90376199433943441ce826038404996ca779aa49ee55729a920bcc9bc121bc1a

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: HackTool - CreateMiniDump Execution
id: 36d88494-1d43-4dc0-b3fa-35c8fea0ca9d
status: test
description: Detects the use of CreateMiniDump hack tool used to dump the LSASS process memory for credential extraction on the attacker's machine
references:
    - https://ired.team/offensive-security/credential-access-and-credential-dumping/dumping-lsass-passwords-without-mimikatz-minidumpwritedump-av-signature-bypass
author: Florian Roth (Nextron Systems)
date: 2019-12-22
modified: 2024-11-23
tags:
    - attack.credential-access
    - attack.t1003.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\CreateMiniDump.exe'
        - Hashes|contains: 'IMPHASH=4a07f944a83e8a7c2525efa35dd30e2f'
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://ired.team/offensive-security/credential-access-and-credential-dumping/dumping-lsass-passwords-without-mimikatz-minidumpwritedump-av-signature-bypass