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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2025, 14:04

General

  • Target

    JaffaCakes118_659ff1d14a0557aa3ba2c9029a502500.exe

  • Size

    524KB

  • MD5

    659ff1d14a0557aa3ba2c9029a502500

  • SHA1

    2dd55da692706ec8f5e82bc2c18f5492ba0085c0

  • SHA256

    2bd078d40523d44ce6dfc6aed631ada136e2637346d80f200f0730a3c429092b

  • SHA512

    cc1b23c8c130b13e45d04bc43b150e77346f857d52d3fb464a84df45931c65abbd7d2a6479be575c16a5d6f783d8bff0c40921b34cd477f97ddf9762b5bdc490

  • SSDEEP

    6144:FzDFkL+jDEbWj+0VjvwsYUVVObfiJCkMVu0ZNOVm8WM53515j585k5MmV5654R6F:pDFkmzrTL+gMVu0ZNOVm8a

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HACKED

C2

amine-gatorsedz.no-ip.biz:1177

Mutex

60f0d0e0d2dd518d7530a18795742b3f

Attributes
  • reg_key

    60f0d0e0d2dd518d7530a18795742b3f

  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_659ff1d14a0557aa3ba2c9029a502500.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_659ff1d14a0557aa3ba2c9029a502500.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_659ff1d14a0557aa3ba2c9029a502500.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_659ff1d14a0557aa3ba2c9029a502500.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:612
      • C:\Users\Admin\AppData\Local\Temp\system32.exe
        "C:\Users\Admin\AppData\Local\Temp\system32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3184
        • C:\Users\Admin\AppData\Local\Temp\system32.exe
          C:\Users\Admin\AppData\Local\Temp\system32.exe
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2636
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system32.exe" "system32.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:1232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_659ff1d14a0557aa3ba2c9029a502500.exe.log

    Filesize

    418B

    MD5

    89c8a5340eb284f551067d44e27ae8dd

    SHA1

    d2431ae25a1ab67762a5125574f046f4c951d297

    SHA256

    73ca1f27b1c153e3405856ebe8b3c6cdd23424d2ab09c0fe1eb0e2075513057b

    SHA512

    b101ac2e008bd3cc6f97fedb97b8253fb07fed1c334629ecbebe0f4942ccc1070491cddc4daea521164543b6f97ba9b99d2be1c50cc5a013f04e697fea9dbdac

  • C:\Users\Admin\AppData\Local\Temp\system32.exe

    Filesize

    524KB

    MD5

    659ff1d14a0557aa3ba2c9029a502500

    SHA1

    2dd55da692706ec8f5e82bc2c18f5492ba0085c0

    SHA256

    2bd078d40523d44ce6dfc6aed631ada136e2637346d80f200f0730a3c429092b

    SHA512

    cc1b23c8c130b13e45d04bc43b150e77346f857d52d3fb464a84df45931c65abbd7d2a6479be575c16a5d6f783d8bff0c40921b34cd477f97ddf9762b5bdc490

  • memory/612-19-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1168-4-0x0000000005210000-0x00000000052A2000-memory.dmp

    Filesize

    584KB

  • memory/1168-22-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-5-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-6-0x0000000005150000-0x000000000515A000-memory.dmp

    Filesize

    40KB

  • memory/1168-7-0x00000000053F0000-0x00000000053FA000-memory.dmp

    Filesize

    40KB

  • memory/1168-3-0x0000000005720000-0x0000000005CC4000-memory.dmp

    Filesize

    5.6MB

  • memory/1168-21-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-0-0x000000007519E000-0x000000007519F000-memory.dmp

    Filesize

    4KB

  • memory/1168-2-0x0000000005030000-0x00000000050CC000-memory.dmp

    Filesize

    624KB

  • memory/1168-34-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-54-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-52-0x00000000067E0000-0x00000000067F8000-memory.dmp

    Filesize

    96KB

  • memory/1168-1-0x0000000000680000-0x000000000070A000-memory.dmp

    Filesize

    552KB

  • memory/3184-36-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/3184-56-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB