General

  • Target
    Server.exe
  • Size 23KB
  • Sample260825-m1ec5sxtdz
  • SHA256 0d74168e6590b0499ab22d6273b295730390701e73992b2e3b5388f5a86df201
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • HacKed

C2
  • 21.tcp.cpolar.top:14652

Mutex
  • 525d414d359ba4dc55a929a50e7d2b35

Attributes
  • reg_key

    525d414d359ba4dc55a929a50e7d2b35

  • splitter

    |'|'|

Targets

    • Target
      Server.exe
    • Size 23KB
    • SHA256 0d74168e6590b0499ab22d6273b295730390701e73992b2e3b5388f5a86df201
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Disables Task Manager via registry modification

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

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

MITRE ATT&CK Enterprise v16

Tasks