General

  • Target
    complaint to the cour 200826.js
  • Size 233KB
  • Sample260820-ryrb5sygle
  • SHA256 73d3fc27bb8991f739e2d52007e5a466e24682e0595fc7b12c5e0fec6457827e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 84.38.133.144:9090

Mutex
  • ID4AhSJfFJpqSqj0

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Targets

    • Target
      complaint to the cour 200826.js
    • Size 233KB
    • SHA256 73d3fc27bb8991f739e2d52007e5a466e24682e0595fc7b12c5e0fec6457827e
    • 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 and hide display window.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks