General

  • Target
    https://mega.nz/folder/9q8GXTJL#iQX7V6qb4esERT3ov4x1VA
  • Sample240707-11e7bs1eqe

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • mrreport.duckdns.org:7001

  • darkstorm2751.duckdns.org:7001

Mutex
  • nwpBAR1JpnWK4677

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot6916566724:AAGKvFg6z7aQvrBnTVzMk6K8JQOf37rN2_w/sendMessage?chat_id=6653386349

aes.plain

Targets

    • Target
      https://mega.nz/folder/9q8GXTJL#iQX7V6qb4esERT3ov4x1VA
    • Detect Xworm Payload

    • Modifies visiblity of hidden/system files in Explorer

    • 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

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks