Resubmissions

09/06/2024, 17:07

240609-vnfz7sdd7410

09/06/2024, 17:03

240609-vk31kadd6310

General

  • Target
    https://cdn.discordapp.com/attachments/1249405178076205188/1249406731537354782/xylex.zip?ex=66673031&is=6665deb1&hm=70000b2f7b4ad9e3415ab0b9624246f832c91930569841b18229795b99c6b64b&
  • Sample240609-vnfz7sdd74

Malware Config

Extracted

Family
  • xworm

C2
  • medical-m.gl.at.ply.gg:28857

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    conhost.exe

Targets

    • Target
      https://cdn.discordapp.com/attachments/1249405178076205188/1249406731537354782/xylex.zip?ex=66673031&is=6665deb1&hm=70000b2f7b4ad9e3415ab0b9624246f832c91930569841b18229795b99c6b64b&
    • Contains code to disable Windows Defender

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

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks