Analysis

  • max time kernel
    117s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 23:32

General

  • Target

    c70b9111798bfa7ff55f89b8d3b0d2dc45b6dd1de23bf236e652403f1be52814.exe

  • Size

    474KB

  • MD5

    9e8fa72316dbbc6e450cc046acb8e695

  • SHA1

    b63c9a9b7937dd2d943444856e59f9c49b888168

  • SHA256

    c70b9111798bfa7ff55f89b8d3b0d2dc45b6dd1de23bf236e652403f1be52814

  • SHA512

    f7b7b7b9db2090cc7ac4d09827debe968bf5273611c804713b9650bd363741e3f0fe36cde2ae22d3c6e5337563060233ff3289415774f0788c4790fd9753250a

  • SSDEEP

    3072:rwG1Z6pASc9NyxV9/J12vyNBix94P/+ItEXUrbDn45YfOWIXusP:rwGb6KUFhex94P/+jkvDn45iQee

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

WeSt-K.S.A @

C2

127.0.0.1:5551

Mutex

0f436963af986f0915e6f175d79d7302

Attributes
  • reg_key

    0f436963af986f0915e6f175d79d7302

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c70b9111798bfa7ff55f89b8d3b0d2dc45b6dd1de23bf236e652403f1be52814.exe
    "C:\Users\Admin\AppData\Local\Temp\c70b9111798bfa7ff55f89b8d3b0d2dc45b6dd1de23bf236e652403f1be52814.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\SYSTEM32\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\c70b9111798bfa7ff55f89b8d3b0d2dc45b6dd1de23bf236e652403f1be52814.exe" "c70b9111798bfa7ff55f89b8d3b0d2dc45b6dd1de23bf236e652403f1be52814.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:3940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2716-0-0x00007FF98BBA3000-0x00007FF98BBA5000-memory.dmp

    Filesize

    8KB

  • memory/2716-1-0x0000000000C30000-0x0000000000CAA000-memory.dmp

    Filesize

    488KB

  • memory/2716-2-0x0000000001550000-0x000000000155E000-memory.dmp

    Filesize

    56KB

  • memory/2716-3-0x00007FF98BBA0000-0x00007FF98C661000-memory.dmp

    Filesize

    10.8MB

  • memory/2716-4-0x00007FF98BBA3000-0x00007FF98BBA5000-memory.dmp

    Filesize

    8KB

  • memory/2716-5-0x00007FF98BBA0000-0x00007FF98C661000-memory.dmp

    Filesize

    10.8MB

  • memory/2716-6-0x00007FF98BBA0000-0x00007FF98C661000-memory.dmp

    Filesize

    10.8MB