General

  • Target
    https://gofile.io/d/qnXB1bNP
  • Sample261102-thpvgsdv5q

Malware Config

Extracted

Family
  • njrat

Version
  • <- NjRAT 0.7d Horror Edition ->

Botnet
  • Victim

C2
  • 5.tcp.cpolar.cn:13671

Mutex
  • b54622292f2f094e8a57f3b71fe7ffe1

Attributes
  • reg_key

    b54622292f2f094e8a57f3b71fe7ffe1

  • splitter

    Y262SUCZ4UJJ

Targets

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

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

    • 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