General

  • Target
    sostener.vbs
  • Size 150KB
  • Sample261009-xtds5sdt4t
  • SHA256 92c4bb40657fc462b226f34b4f65b6c9c89e10862c8ce14068879e8e80efbf47
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • medellin202156.duckdns.org:1111

Mutex
  • PC4mPnTJ14VaHKWY

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      sostener.vbs
    • Size 150KB
    • SHA256 92c4bb40657fc462b226f34b4f65b6c9c89e10862c8ce14068879e8e80efbf47
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks