General

  • Target

    https://mega.nz/file/o71QDABR#TFT8_ehMtP2w4W8lBDajOedTlWTsBmYYRPBks7KYp5s

  • Sample

    250128-nlxfvazpam

Malware Config

Extracted

Family

xworm

C2

posts-vessel.gl.at.ply.gg:36177

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7242122864:AAFBsG5SAGw_Flfuys74YhEnKLTVdPESOnc

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7242122864:AAFBsG5SAGw_Flfuys74YhEnKLTVdPESOnc/sendMessage?chat_id=6229207397%20

Targets

    • Target

      https://mega.nz/file/o71QDABR#TFT8_ehMtP2w4W8lBDajOedTlWTsBmYYRPBks7KYp5s

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks