sigmahighHunting

PUA - Crassus Execution

Detects Crassus, a Windows privilege escalation discovery tool, based on PE metadata characteristics.

MITRE ATT&CK

discoveryreconnaissance

Detection Query

selection:
  - Image|endswith: \Crassus.exe
  - OriginalFileName: Crassus.exe
  - Description|contains: Crassus
condition: selection

Author

pH-T (Nextron Systems)

Created

2023-04-17

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://github.com/vu-ls/Crassus

Tags

attack.discoveryattack.reconnaissanceattack.t1590.001

Raw Content

title: PUA - Crassus Execution
id: 2c32b543-1058-4808-91c6-5b31b8bed6c5
status: test
description: Detects Crassus, a Windows privilege escalation discovery tool, based on PE metadata characteristics.
references:
    - https://github.com/vu-ls/Crassus
author: pH-T (Nextron Systems)
date: 2023-04-17
tags:
    - attack.discovery
    - attack.reconnaissance
    - attack.t1590.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\Crassus.exe'
        - OriginalFileName: 'Crassus.exe'
        - Description|contains: 'Crassus'
    condition: selection
falsepositives:
    - Unlikely
level: high