General

  • Target
    boleto.exe
  • Size 67KB
  • Sample241213-mc32laxkfk
  • SHA256 5332f713bef3ab58d7546f2b58e6eaf55c3e30969e15b6085a77e7fd9e7b65b4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • camp.zapto.org:7771

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target
      boleto.exe
    • Size 67KB
    • SHA256 5332f713bef3ab58d7546f2b58e6eaf55c3e30969e15b6085a77e7fd9e7b65b4
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • 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.

    • 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

    • 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