sigmamediumHunting

Uncommon Child Processes Of SndVol.exe

Detects potentially uncommon child processes of SndVol.exe (the Windows volume mixer)

Detection Query

selection:
  ParentImage|endswith: \SndVol.exe
filter_main_rundll32:
  Image|endswith: \rundll32.exe
  CommandLine|contains: " shell32.dll,Control_RunDLL "
condition: selection and not 1 of filter_main_*

Author

X__Junior (Nextron Systems)

Created

2023-06-09

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://twitter.com/Max_Mal_/status/1661322732456353792

Tags

attack.execution

Raw Content

title: Uncommon Child Processes Of SndVol.exe
id: ba42babc-0666-4393-a4f7-ceaf5a69191e
status: test
description: Detects potentially uncommon child processes of SndVol.exe (the Windows volume mixer)
references:
    - https://twitter.com/Max_Mal_/status/1661322732456353792
author: X__Junior (Nextron Systems)
date: 2023-06-09
tags:
    - attack.execution
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        ParentImage|endswith: '\SndVol.exe'
    filter_main_rundll32:
        Image|endswith: '\rundll32.exe'
        CommandLine|contains: ' shell32.dll,Control_RunDLL '
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium