Analysis

  • max time kernel
    150s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-02-2024 15:21

General

  • Target

    a6ad672445ef7e6d30292ccd82e3cee7.exe

  • Size

    126KB

  • MD5

    a6ad672445ef7e6d30292ccd82e3cee7

  • SHA1

    4b6379d0ab374a73e6d8eb7633e511c7712208df

  • SHA256

    cdc99a7ec7f7a6065ebb1233591cc00a73d0a8cc282b591b988cf16489e7261f

  • SHA512

    fb53170ea1e031252fc6bb176cb98eccc648647c5553238c02d583f6ac2df26723dc5b98f293e837115e9efb9615a843abf95a0c93718a499275e26111d173dd

  • SSDEEP

    3072:SfOzK7bYxR5TI1I7VufGYuv0o/MlQDE1tdWrRCfwSED40mj/TD6nQ9:SD7bUR5TI1I7s+YK0o/vDEBWrRCfwrDb

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

mz911.ddns.net:5552

Mutex

d7f7bdbf969509ab41b52fa587e69da0

Attributes
  • reg_key

    d7f7bdbf969509ab41b52fa587e69da0

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6ad672445ef7e6d30292ccd82e3cee7.exe
    "C:\Users\Admin\AppData\Local\Temp\a6ad672445ef7e6d30292ccd82e3cee7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a6ad672445ef7e6d30292ccd82e3cee7.exe" "a6ad672445ef7e6d30292ccd82e3cee7.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4948-0-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4948-1-0x00000000008E0000-0x0000000000906000-memory.dmp

    Filesize

    152KB

  • memory/4948-2-0x0000000005340000-0x00000000053DC000-memory.dmp

    Filesize

    624KB

  • memory/4948-3-0x0000000002C60000-0x0000000002C70000-memory.dmp

    Filesize

    64KB

  • memory/4948-4-0x0000000005990000-0x0000000005F34000-memory.dmp

    Filesize

    5.6MB

  • memory/4948-5-0x0000000005540000-0x00000000055D2000-memory.dmp

    Filesize

    584KB

  • memory/4948-6-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/4948-7-0x00000000054D0000-0x00000000054DA000-memory.dmp

    Filesize

    40KB

  • memory/4948-8-0x00000000749F0000-0x00000000751A0000-memory.dmp

    Filesize

    7.7MB