sigmamediumHunting

Lolbin Unregmp2.exe Use As Proxy

Detect usage of the "unregmp2.exe" binary as a proxy to launch a custom version of "wmpnscfg.exe"

MITRE ATT&CK

defense-evasion

Detection Query

selection_img:
  - Image|endswith: \unregmp2.exe
  - OriginalFileName: unregmp2.exe
selection_cmd:
  CommandLine|contains|windash: " /HideWMP"
condition: all of selection_*

Author

frack113

Created

2022-12-29

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://lolbas-project.github.io/lolbas/Binaries/Unregmp2/

Tags

attack.defense-evasionattack.t1218

Raw Content

title: Lolbin Unregmp2.exe Use As Proxy
id: 727454c0-d851-48b0-8b89-385611ab0704
status: test
description: Detect usage of the "unregmp2.exe" binary as a proxy to launch a custom version of "wmpnscfg.exe"
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Unregmp2/
author: frack113
date: 2022-12-29
modified: 2024-06-04
tags:
    - attack.defense-evasion
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\unregmp2.exe'
        - OriginalFileName: 'unregmp2.exe'
    selection_cmd:
        CommandLine|contains|windash: ' /HideWMP'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium