sigmahighHunting

File Creation In Suspicious Directory By Msdt.EXE

Detects msdt.exe creating files in suspicious directories which could be a sign of exploitation of either Follina or Dogwalk vulnerabilities

MITRE ATT&CK

T1547.001

privilege-escalationpersistence

Detection Query

selection:
  Image|endswith: \msdt.exe
  TargetFilename|contains:
    - \Desktop\
    - \Start Menu\Programs\Startup\
    - C:\PerfLogs\
    - C:\ProgramData\
    - C:\Users\Public\
condition: selection

Author

Vadim Varganov, Florian Roth (Nextron Systems)

Created

2022-08-24

Data Sources

windowsFile Events

Platforms

windows

References

Tags

attack.privilege-escalationattack.persistenceattack.t1547.001cve.2022-30190

Raw Content

title: File Creation In Suspicious Directory By Msdt.EXE
id: 318557a5-150c-4c8d-b70e-a9910e199857
status: test
description: Detects msdt.exe creating files in suspicious directories which could be a sign of exploitation of either Follina or Dogwalk vulnerabilities
references:
    - https://irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd
    - https://msrc-blog.microsoft.com/2022/05/30/guidance-for-cve-2022-30190-microsoft-support-diagnostic-tool-vulnerability/
author: Vadim Varganov, Florian Roth (Nextron Systems)
date: 2022-08-24
modified: 2023-02-23
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1547.001
    - cve.2022-30190
logsource:
    category: file_event
    product: windows
detection:
    selection:
        Image|endswith: '\msdt.exe'
        TargetFilename|contains:
            - '\Desktop\'
            - '\Start Menu\Programs\Startup\'
            - 'C:\PerfLogs\'
            - 'C:\ProgramData\'
            - 'C:\Users\Public\'
    condition: selection
falsepositives:
    - Unknown
level: high