General

  • Target
    https://github.com/simalei/njRAT/archive/refs/heads/master.zip
  • Sample240503-ddd97adc6w

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • MyBot

C2
  • 127.0.0.1:6522

Mutex
  • 08b95e8031023f327813eef69063752a

Attributes
  • reg_key

    08b95e8031023f327813eef69063752a

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target
      https://github.com/simalei/njRAT/archive/refs/heads/master.zip
    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • Drops startup file

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks