Analysis

  • max time kernel
    13s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/03/2025, 11:43

General

  • Target

    de0d8ccd473794aaf8502f983cf83b5f840a5b3b4c84065ea2d5dd037ebad2a4.exe

  • Size

    23KB

  • MD5

    220204d3ebce0a94144b3efc54d86339

  • SHA1

    4e9c0f896bd499ac75ea22273960e7b0244316c5

  • SHA256

    de0d8ccd473794aaf8502f983cf83b5f840a5b3b4c84065ea2d5dd037ebad2a4

  • SHA512

    8b8f4b126b03d0a55a9af1590ce7ea250bc91ce5477e7c96834373af712bd958d443642dbcc9b8623b249296122f177a915b2ffb133bfa7380f5cda0efec00d5

  • SSDEEP

    384:WQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZch:B5yBVd7Rpcnuv

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

>_<

C2

hhnnss.ddns.net:5552

Mutex

6e7d69d3654f1ba5f22f7d513581ae9c

Attributes
  • reg_key

    6e7d69d3654f1ba5f22f7d513581ae9c

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de0d8ccd473794aaf8502f983cf83b5f840a5b3b4c84065ea2d5dd037ebad2a4.exe
    "C:\Users\Admin\AppData\Local\Temp\de0d8ccd473794aaf8502f983cf83b5f840a5b3b4c84065ea2d5dd037ebad2a4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Roaming\Windows Java.exe
      "C:\Users\Admin\AppData\Roaming\Windows Java.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Windows Java.exe" "Windows Java.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Windows Java.exe

    Filesize

    23KB

    MD5

    220204d3ebce0a94144b3efc54d86339

    SHA1

    4e9c0f896bd499ac75ea22273960e7b0244316c5

    SHA256

    de0d8ccd473794aaf8502f983cf83b5f840a5b3b4c84065ea2d5dd037ebad2a4

    SHA512

    8b8f4b126b03d0a55a9af1590ce7ea250bc91ce5477e7c96834373af712bd958d443642dbcc9b8623b249296122f177a915b2ffb133bfa7380f5cda0efec00d5

  • memory/2496-11-0x0000000074680000-0x0000000074C2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2496-12-0x0000000074680000-0x0000000074C2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2496-13-0x0000000074680000-0x0000000074C2B000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-0-0x0000000074681000-0x0000000074682000-memory.dmp

    Filesize

    4KB

  • memory/3056-1-0x0000000074680000-0x0000000074C2B000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-2-0x0000000074680000-0x0000000074C2B000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-10-0x0000000074680000-0x0000000074C2B000-memory.dmp

    Filesize

    5.7MB