General

  • Target
    https://gofile.io/d/XhAhzM6k
  • Sample260908-rsagfascmg

Malware Config

Targets

    • Target
      https://gofile.io/d/XhAhzM6k
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Event Triggered Execution: Image File Execution Options Injection

    • Disables automatic submission of suspicious files to Microsoft by Windows Defender

      Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    • Disables service(s)

    • Executes dropped EXE

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks