HackTool - CoercedPotato Execution

Hunt Hypothesis

Detects the use of CoercedPotato, a tool for privilege escalation

Detection Rule

Sigma (Original)

title: HackTool - CoercedPotato Execution
id: e8d34729-86a4-4140-adfd-0a29c2106307
status: test
description: Detects the use of CoercedPotato, a tool for privilege escalation
references:
    - https://github.com/hackvens/CoercedPotato
    - https://blog.hackvens.fr/articles/CoercedPotato.html
author: Florian Roth (Nextron Systems)
date: 2023-10-11
modified: 2024-11-23
tags:
    - attack.privilege-escalation
    - attack.stealth
    - attack.t1055
logsource:
    category: process_creation
    product: windows
detection:
    selection_loader_img:
        Image|endswith: '\CoercedPotato.exe'
    selection_params:
        CommandLine|contains: ' --exploitId '
    selection_loader_imphash:
        Hashes|contains:
            - 'IMPHASH=A75D7669DB6B2E107A44C4057FF7F7D6'
            - 'IMPHASH=F91624350E2C678C5DCBE5E1F24E22C9'
            - 'IMPHASH=14C81850A079A87E83D50CA41C709A15'
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: high

KQL (Azure Sentinel)

imProcessCreate
| where TargetProcessName endswith "\\CoercedPotato.exe" or TargetProcessCommandLine contains " --exploitId " or (TargetProcessIMPHASH startswith "A75D7669DB6B2E107A44C4057FF7F7D6" or TargetProcessIMPHASH startswith "F91624350E2C678C5DCBE5E1F24E22C9" or TargetProcessIMPHASH startswith "14C81850A079A87E83D50CA41C709A15")

Required Data Sources

False Positive Guidance

• Unknown

MITRE ATT&CK Context

• Tactic: Privilege Escalation
• Technique: T1055 — T1055

References

• https://github.com/hackvens/CoercedPotato
• https://blog.hackvens.fr/articles/CoercedPotato.html
• SigmaHQ Rule