General

  • Target
    Payload.exe
  • Size 55KB
  • Sample261109-wp49vshb83
  • SHA256 10b1673a3107f3811accbaa13a0c4e243543585751e4bb276cdca085caff0f25
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • <- NjRAT 0.7d Horror Edition ->

Botnet
  • Victim

C2
  • 33.tcp.cpolar.top:10637

Mutex
  • acad18890e4e0431876f630c266ace7b

Attributes
  • reg_key

    acad18890e4e0431876f630c266ace7b

  • splitter

    Y262SUCZ4UJJ

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 33.tcp.cpolar.top:12753

Mutex
  • wmWFkGhexHrBdp93

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Targets

    • Target
      Payload.exe
    • Size 55KB
    • SHA256 10b1673a3107f3811accbaa13a0c4e243543585751e4bb276cdca085caff0f25
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

    • 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