General

  • Target
    bb9d2ab1cfd363a88d1489e12b57c9772f664e2ce155c2fe1565495e76cadf4c.bin
  • Size 86KB
  • Sample260905-fygbdser5s
  • SHA256 bb9d2ab1cfd363a88d1489e12b57c9772f664e2ce155c2fe1565495e76cadf4c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • 15.tcp.cpolar.top:11921

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target
      bb9d2ab1cfd363a88d1489e12b57c9772f664e2ce155c2fe1565495e76cadf4c.bin
    • Size 86KB
    • SHA256 bb9d2ab1cfd363a88d1489e12b57c9772f664e2ce155c2fe1565495e76cadf4c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: 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.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • 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 v16

Tasks