PUA - DIT Snapshot Viewer

Hunt Hypothesis

Detects the use of Ditsnap tool, an inspection tool for Active Directory database, ntds.dit.

Detection Rule

Sigma (Original)

title: PUA - DIT Snapshot Viewer
id: d3b70aad-097e-409c-9df2-450f80dc476b
status: test
description: Detects the use of Ditsnap tool, an inspection tool for Active Directory database, ntds.dit.
references:
    - https://thedfirreport.com/2020/06/21/snatch-ransomware/
    - https://web.archive.org/web/20201124182207/https://github.com/yosqueoy/ditsnap
author: Furkan Caliskan (@caliskanfurkan_)
date: 2020-07-04
modified: 2023-02-21
tags:
    - attack.credential-access
    - attack.t1003.003
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\ditsnap.exe'
        - CommandLine|contains: 'ditsnap.exe'
    condition: selection
falsepositives:
    - Legitimate admin usage
level: high

KQL (Azure Sentinel)

imProcessCreate
| where TargetProcessName endswith "\\ditsnap.exe" or TargetProcessCommandLine contains "ditsnap.exe"

Required Data Sources

False Positive Guidance

• Legitimate admin usage

MITRE ATT&CK Context

• Tactic: Credential Access
• Technique: T1003.003 — T1003.003

References

• https://thedfirreport.com/2020/06/21/snatch-ransomware/
• https://web.archive.org/web/20201124182207/https://github.com/yosqueoy/ditsnap
• SigmaHQ Rule