HackTool - Dumpert Process Dumper Execution

Hunt Hypothesis

Detects the use of Dumpert process dumper, which dumps the lsass.exe process memory

Detection Rule

Sigma (Original)

title: HackTool - Dumpert Process Dumper Execution
id: 2704ab9e-afe2-4854-a3b1-0c0706d03578
status: test
description: Detects the use of Dumpert process dumper, which dumps the lsass.exe process memory
references:
    - https://github.com/outflanknl/Dumpert
    - https://unit42.paloaltonetworks.com/actors-still-exploiting-sharepoint-vulnerability/
author: Florian Roth (Nextron Systems)
date: 2020-02-04
modified: 2025-01-22
tags:
    - attack.credential-access
    - attack.t1003.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Hashes|contains: 'MD5=09D278F9DE118EF09163C6140255C690'
        - CommandLine|contains: 'Dumpert.dll'
    condition: selection
falsepositives:
    - Very unlikely
level: critical

KQL (Azure Sentinel)

imProcessCreate
| where TargetProcessMD5 startswith "09D278F9DE118EF09163C6140255C690" or TargetProcessCommandLine contains "Dumpert.dll"

Required Data Sources

False Positive Guidance

• Very unlikely

MITRE ATT&CK Context

• Tactic: Credential Access
• Technique: T1003.001 — T1003.001

References

• https://github.com/outflanknl/Dumpert
• https://unit42.paloaltonetworks.com/actors-still-exploiting-sharepoint-vulnerability/
• SigmaHQ Rule