General

  • Target
    Payload.exe
  • Size 55KB
  • Sample260916-kh6cssss7q
  • SHA256 6c1a15aa4e42400c325a364ea2d1e4c91a47c6995ee81f15154caf664c5660e3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • <- NjRAT 0.7d Horror Edition ->

Botnet
  • Victim

C2
  • 31.57.97.64:501

Mutex
  • 82631359574a6e0ced3c67853e7677a2

Attributes
  • reg_key

    82631359574a6e0ced3c67853e7677a2

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target
      Payload.exe
    • Size 55KB
    • SHA256 6c1a15aa4e42400c325a364ea2d1e4c91a47c6995ee81f15154caf664c5660e3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Modifies system executable filetype association

    • Stops running service(s)

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks