General

  • Target
    3C386A66E5F1D1B341A1466ABDFD137FC23B39956009A.exe
  • Size 5.0MB
  • Sample221007-znppkadee9
  • SHA256 3c386a66e5f1d1b341a1466abdfd137fc23b39956009a5eb149386634b0515d1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • caly

C2
  • reserva01.duckdns.org:1182

Mutex
  • 0774bfb60a53c36c2bdece08db35ff3f

Attributes
  • reg_key

    0774bfb60a53c36c2bdece08db35ff3f

  • splitter

    |'|'|

Targets

    • Target
      3C386A66E5F1D1B341A1466ABDFD137FC23B39956009A.exe
    • Size 5.0MB
    • SHA256 3c386a66e5f1d1b341a1466abdfd137fc23b39956009a5eb149386634b0515d1
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks