HackTool - Stracciatella Execution


Description

Detects Stracciatella which executes a Powershell runspace from within C# (aka SharpPick technique) with AMSI, ETW and Script Block Logging disabled based on PE metadata characteristics.

Query · sigma

selection:
- Image|endswith: \Stracciatella.exe
- OriginalFileName: Stracciatella.exe
- Description: Stracciatella
- Hashes|contains:
  - SHA256=9d25e61ec1527e2a69d7c2a4e3fe2fe15890710c198a66a9f25d99fdf6c7b956
  - SHA256=fd16609bd9830c63b9413671678bb159b89c357d21942ddbb6b93add808d121a
condition: selection

Known false positives

  • Unlikely
Raw source HackTool - Stracciatella Execution · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: HackTool - Stracciatella Execution
id: 7a4d9232-92fc-404d-8ce1-4c92e7caf539
status: test
description: Detects Stracciatella which executes a Powershell runspace from within C# (aka SharpPick technique) with AMSI, ETW and Script Block Logging disabled based on PE metadata characteristics.
references:
    - https://github.com/mgeeky/Stracciatella
author: pH-T (Nextron Systems)
date: 2023-04-17
modified: 2024-11-23
tags:
    - attack.execution
    - attack.defense-impairment
    - attack.t1059
    - attack.t1685
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\Stracciatella.exe'
        - OriginalFileName: 'Stracciatella.exe'
        - Description: 'Stracciatella'
        - Hashes|contains:
              - 'SHA256=9d25e61ec1527e2a69d7c2a4e3fe2fe15890710c198a66a9f25d99fdf6c7b956'
              - 'SHA256=fd16609bd9830c63b9413671678bb159b89c357d21942ddbb6b93add808d121a'
    condition: selection
falsepositives:
    - Unlikely
level: high

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