General

  • Target
    Bootstrapper.exe
  • Size 391KB
  • Sample240827-wck1fsvbmp
  • SHA256 3499997283c0c1dd38ffcfdc2303c5c7ddfa4e946c51725b3b754f53780519ed
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 127.0.0.1:19121

  • goods-flex.gl.at.ply.gg:19121

Attributes
  • Install_directory

    %Public%

  • install_file

    calc.exe

Extracted

Family
  • phemedrone

C2
  • https://api.telegram.org/bot6766891578:AAE47sIyviQ0_skRFQtvxeYcndg1C8RFyo4/sendDocument

Targets

    • Target
      Bootstrapper.exe
    • Size 391KB
    • SHA256 3499997283c0c1dd38ffcfdc2303c5c7ddfa4e946c51725b3b754f53780519ed
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Phemedrone

      An information and wallet stealer written in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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