sigmahighHunting

Execution via stordiag.exe

Detects the use of stordiag.exe to execute schtasks.exe systeminfo.exe and fltmc.exe

MITRE ATT&CK

defense-evasion

Detection Query

selection:
  ParentImage|endswith: \stordiag.exe
  Image|endswith:
    - \schtasks.exe
    - \systeminfo.exe
    - \fltmc.exe
filter:
  ParentImage|startswith:
    - c:\windows\system32\
    - c:\windows\syswow64\
condition: selection and not filter

Author

Austin Songer (@austinsonger)

Created

2021-10-21

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.defense-evasionattack.t1218

Raw Content

title: Execution via stordiag.exe
id: 961e0abb-1b1e-4c84-a453-aafe56ad0d34
status: test
description: Detects the use of stordiag.exe to execute schtasks.exe systeminfo.exe and fltmc.exe
references:
    - https://strontic.github.io/xcyclopedia/library/stordiag.exe-1F08FC87C373673944F6A7E8B18CD845.html
    - https://twitter.com/eral4m/status/1451112385041911809
author: Austin Songer (@austinsonger)
date: 2021-10-21
modified: 2022-12-25
tags:
    - attack.defense-evasion
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\stordiag.exe'
        Image|endswith:
            - '\schtasks.exe'
            - '\systeminfo.exe'
            - '\fltmc.exe'
    filter:
        ParentImage|startswith: # as first is "Copy c:\windows\system32\stordiag.exe to a folder"
            - 'c:\windows\system32\'
            - 'c:\windows\syswow64\'
    condition: selection and not filter
falsepositives:
    - Legitimate usage of stordiag.exe.
level: high