Suspicious Cabinet File Execution Via Msdt.EXE

 Original Source: [Sigma source]
Title: Suspicious Cabinet File Execution Via Msdt.EXE
Status: test
Description:Detects execution of msdt.exe using the "cab" flag which could indicates suspicious diagcab files with embedded answer files leveraging CVE-2022-30190
References:
  -https://twitter.com/nas_bench/status/1537896324837781506
  -https://github.com/GossiTheDog/ThreatHunting/blob/e85884abbf05d5b41efc809ea6532b10b45bd05c/AdvancedHuntingQueries/DogWalk-DiagCab
  -https://github.com/elastic/protections-artifacts/commit/746086721fd385d9f5c6647cada1788db4aea95f#diff-9015912909545e72ed42cbac4d1e96295e8964579c406d23fd9c47a8091576a0
  -https://irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd
Author: Nasreddine Bencherchali (Nextron Systems), GossiTheDog, frack113
Date: 2022-06-21
modified:2024-03-13
Tags:
  • -'attack.stealth'
  • -'attack.t1202'
Logsource:
  • category: process_creation
  • product: windows
Detection:
  selection_img:
Image|endswith:'\msdt.exe' OriginalFileName:'msdt.exe'   selection_cmd:
    CommandLine|contains|windash: ' -cab '
  condition:all of selection_*
Falsepositives:
  -Legitimate usage of ".diagcab" files
Level: medium