Raccine Uninstall

Hunt Hypothesis

Detects commands that indicate a Raccine removal from an end system. Raccine is a free ransomware protection tool.

Detection Rule

Sigma (Original)

title: Raccine Uninstall
id: a31eeaed-3fd5-478e-a8ba-e62c6b3f9ecc
status: test
description: Detects commands that indicate a Raccine removal from an end system. Raccine is a free ransomware protection tool.
references:
    - https://github.com/Neo23x0/Raccine
author: Florian Roth (Nextron Systems)
date: 2021-01-21
modified: 2022-10-09
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: process_creation
    product: windows
detection:
    selection1:
        CommandLine|contains|all:
            - 'taskkill '
            - 'RaccineSettings.exe'
    selection2:
        CommandLine|contains|all:
            - 'reg.exe'
            - 'delete'
            - 'Raccine Tray'
    selection3:
        CommandLine|contains|all:
            - 'schtasks'
            - '/DELETE'
            - 'Raccine Rules Updater'
    condition: 1 of selection*
falsepositives:
    - Legitimate deinstallation by administrative staff
level: high

KQL (Azure Sentinel)

imProcessCreate
| where (TargetProcessCommandLine contains "taskkill " and TargetProcessCommandLine contains "RaccineSettings.exe") or (TargetProcessCommandLine contains "reg.exe" and TargetProcessCommandLine contains "delete" and TargetProcessCommandLine contains "Raccine Tray") or (TargetProcessCommandLine contains "schtasks" and TargetProcessCommandLine contains "/DELETE" and TargetProcessCommandLine contains "Raccine Rules Updater")

Required Data Sources

False Positive Guidance

• Legitimate deinstallation by administrative staff

MITRE ATT&CK Context

• Technique: T1685 — T1685

References

• https://github.com/Neo23x0/Raccine
• SigmaHQ Rule