CreateDump Process Dump — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: high. Source dates: 2022-01-04 / 2022-08-19.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 07481416e2035d6558001f13f6fcd4b07e47975cc3934e8b2c48ef90a4543032

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: CreateDump Process Dump
id: 515c8be5-e5df-4c5e-8f6d-a4a2f05e4b48
related:
    - id: 1a1ed54a-2ba4-4221-94d5-01dee560d71e
      type: similar
status: test
description: Detects uses of the createdump.exe LOLOBIN utility to dump process memory
references:
    - https://www.crowdstrike.com/blog/overwatch-exposes-aquatic-panda-in-possession-of-log-4-shell-exploit-tools/
    - https://twitter.com/bopin2020/status/1366400799199272960
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2022-01-04
modified: 2022-08-19
tags:
    - attack.stealth
    - attack.t1036
    - attack.t1003.001
    - attack.credential-access
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\createdump.exe'
        - OriginalFileName: 'FX_VER_INTERNALNAME_STR'
    selection_cli:
        CommandLine|contains:
            - ' -u ' # Short version of '--full'
            - ' --full '
            - ' -f ' # Short version of '--name'
            - ' --name '
            - '.dmp '
    condition: all of selection_*
falsepositives:
    - Command lines that use the same flags
level: high

Original YAML and metadata in JSON

False positives

• Command lines that use the same flags

Source references

• https://www.crowdstrike.com/blog/overwatch-exposes-aquatic-panda-in-possession-of-log-4-shell-exploit-tools/
• https://twitter.com/bopin2020/status/1366400799199272960