General

  • Target
    https://archive.org/download/corel-draw-graphics-suite-2018-v-20.0.0.633-retail-x-86-x-64-ml
  • Sample261004-lbgarszygs

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7.3

Botnet
  • Lime

C2
  • yourfearcig.no-ip.biz:8484

Mutex
  • Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    12345

Extracted

Family
  • xtremerat

C2
  • yourfearcig.no-ip.org

  • .org

  • 췅yourfearcig.no-ip.org

  • yourfearcig.no-ip.org

Targets

    • Target
      https://archive.org/download/corel-draw-graphics-suite-2018-v-20.0.0.633-retail-x-86-x-64-ml
    • Detect XtremeRAT payload

    • Family: XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

    • 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.

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Checks system information in the registry

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks