Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2024 01:13

General

  • Target

    RAT/NJRat.exe

  • Size

    31KB

  • MD5

    29a37b6532a7acefa7580b826f23f6dd

  • SHA1

    a0f4f3a1c5e159b6e2dadaa6615c5e4eb762479f

  • SHA256

    7a84dd83f4f00cf0723b76a6a56587bdce6d57bd8024cc9c55565a442806cf69

  • SHA512

    a54e2b097ffdaa51d49339bd7d15d6e8770b02603e3c864a13e5945322e28eb2eebc32680c6ddddbad1d9a3001aa02e944b6cef86d4a260db7e4b50f67ac9818

  • SSDEEP

    768:64+64ZRzo+zxJ+lS7gqzZ5XvzpQmIDUu0ti69j:xM3/Bh1QVkvj

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RAT\NJRat.exe
    "C:\Users\Admin\AppData\Local\Temp\RAT\NJRat.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4160
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\RAT\NJRat.exe" "NJRat.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4160-0-0x0000000075110000-0x00000000756C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-1-0x0000000075110000-0x00000000756C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-2-0x0000000001B60000-0x0000000001B70000-memory.dmp

    Filesize

    64KB

  • memory/4160-4-0x0000000075110000-0x00000000756C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-5-0x0000000075110000-0x00000000756C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-6-0x0000000001B60000-0x0000000001B70000-memory.dmp

    Filesize

    64KB