driver_load_win_vuln_winring0_driver.yml

title: Vulnerable WinRing0 Driver Load
id: 1a42dfa6-6cb2-4df9-9b48-295be477e835
status: test
description: Detects the load of a signed WinRing0 driver often used by threat actors, crypto miners (XMRIG) or malware for privilege escalation
references:
    - https://github.com/xmrig/xmrig/tree/master/bin/WinRing0
    - https://www.rapid7.com/blog/post/2021/12/13/driver-based-attacks-past-and-present/
author: Florian Roth (Nextron Systems)
date: 2022/07/26
modified: 2022/11/19
tags:
    - attack.privilege_escalation
    - attack.t1543.003
logsource:
    product: windows
    category: driver_load
detection:
    selection_name:
        ImageLoaded|endswith:
            - '\WinRing0x64.sys'
            - '\WinRing0.sys'
            - '\WinRing0.dll'
            - '\WinRing0x64.dll'
            - '\winring00x64.sys'
    selection_sysmon:
        Hashes|contains: 'IMPHASH=D41FA95D4642DC981F10DE36F4DC8CD7'
    selection_other:
        Imphash: 'd41fa95d4642dc981f10de36f4dc8cd7'
    condition: 1 of selection*
falsepositives:
    - Unknown
level: high