Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 10:41

General

  • Target

    JaffaCakes118_5e375c8a1f1031a346d6746da592d70d.exe

  • Size

    291KB

  • MD5

    5e375c8a1f1031a346d6746da592d70d

  • SHA1

    d07729badba765240b4e3a7b83f4d5c4420d4da7

  • SHA256

    28754111f84f92bb3193d74c9183e71a750c9acf8e92803859b1dd78975c85c7

  • SHA512

    7eb22267ffbf42e4e7f26cfe16b4613fe78975d4323f4d564716fe5ff5d092c4b9e79c0417d4e5e9e7eb47baf7d481268d258937e968d9633f8ff1a8c7db1c11

  • SSDEEP

    6144:L5b5bjevaup+gXzefbnGIudk/6X44yvVe+RTPz:NbJcPSjn8q6oTtee

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

chorom

C2

ahmedstar123.ddns.net:1177

Mutex

5fa843546065a766a9db244b1f33ea6e

Attributes
  • reg_key

    5fa843546065a766a9db244b1f33ea6e

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e375c8a1f1031a346d6746da592d70d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e375c8a1f1031a346d6746da592d70d.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    291KB

    MD5

    5e375c8a1f1031a346d6746da592d70d

    SHA1

    d07729badba765240b4e3a7b83f4d5c4420d4da7

    SHA256

    28754111f84f92bb3193d74c9183e71a750c9acf8e92803859b1dd78975c85c7

    SHA512

    7eb22267ffbf42e4e7f26cfe16b4613fe78975d4323f4d564716fe5ff5d092c4b9e79c0417d4e5e9e7eb47baf7d481268d258937e968d9633f8ff1a8c7db1c11

  • memory/1132-35-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-34-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-33-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-32-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-30-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-29-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-28-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-27-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-6-0x0000000007800000-0x0000000007DA4000-memory.dmp

    Filesize

    5.6MB

  • memory/2872-8-0x0000000007270000-0x000000000727A000-memory.dmp

    Filesize

    40KB

  • memory/2872-11-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-12-0x0000000004450000-0x000000000445C000-memory.dmp

    Filesize

    48KB

  • memory/2872-9-0x0000000007390000-0x00000000073E6000-memory.dmp

    Filesize

    344KB

  • memory/2872-26-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-25-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/2872-10-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-7-0x00000000072F0000-0x0000000007382000-memory.dmp

    Filesize

    584KB

  • memory/2872-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/2872-5-0x00000000071B0000-0x000000000724C000-memory.dmp

    Filesize

    624KB

  • memory/2872-4-0x0000000004B30000-0x0000000004B66000-memory.dmp

    Filesize

    216KB

  • memory/2872-3-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-2-0x0000000004910000-0x0000000004922000-memory.dmp

    Filesize

    72KB

  • memory/2872-1-0x0000000000010000-0x000000000005E000-memory.dmp

    Filesize

    312KB