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Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2025, 09:08

General

  • Target

    JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe

  • Size

    33KB

  • MD5

    99b2f7822d52908284c83b114dc19ede

  • SHA1

    9670074d06ceab739d9bd88b19dab68ac69ae637

  • SHA256

    29f4a7219a671bac2337402c9c5fd4cf1789ac818c321754b8824b486ffb717d

  • SHA512

    4fd010f336ffaacae1ea615ca62e3e285d3150981330f8b4ae3617478c3c886386d6544bdcced98851fd94231d1da8b40c584090246a9cc533ebcc2e641550c6

  • SSDEEP

    768:VvTUC66ha3MI3IOTTZs0y3MbKRSJebgCkjZtNM7U:tUC6v3G02M2gJYVkjpSU

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Windows

C2

hackedbyiris.ddns.net:19132

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • 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
  • Drops file in Windows directory 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.

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99b2f7822d52908284c83b114dc19ede.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:4240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\svchost.exe

    Filesize

    33KB

    MD5

    99b2f7822d52908284c83b114dc19ede

    SHA1

    9670074d06ceab739d9bd88b19dab68ac69ae637

    SHA256

    29f4a7219a671bac2337402c9c5fd4cf1789ac818c321754b8824b486ffb717d

    SHA512

    4fd010f336ffaacae1ea615ca62e3e285d3150981330f8b4ae3617478c3c886386d6544bdcced98851fd94231d1da8b40c584090246a9cc533ebcc2e641550c6

  • memory/212-3-0x0000000001560000-0x0000000001576000-memory.dmp

    Filesize

    88KB

  • memory/212-2-0x00007FFD9D9E0000-0x00007FFD9E381000-memory.dmp

    Filesize

    9.6MB

  • memory/212-0-0x00007FFD9DC95000-0x00007FFD9DC96000-memory.dmp

    Filesize

    4KB

  • memory/212-4-0x000000001C520000-0x000000001C5C6000-memory.dmp

    Filesize

    664KB

  • memory/212-5-0x00007FFD9D9E0000-0x00007FFD9E381000-memory.dmp

    Filesize

    9.6MB

  • memory/212-1-0x000000001C050000-0x000000001C51E000-memory.dmp

    Filesize

    4.8MB

  • memory/212-18-0x00007FFD9D9E0000-0x00007FFD9E381000-memory.dmp

    Filesize

    9.6MB

  • memory/3032-16-0x00007FFD9D9E0000-0x00007FFD9E381000-memory.dmp

    Filesize

    9.6MB

  • memory/3032-17-0x00007FFD9D9E0000-0x00007FFD9E381000-memory.dmp

    Filesize

    9.6MB

  • memory/3032-15-0x00000000033C0000-0x00000000033D6000-memory.dmp

    Filesize

    88KB

  • memory/3032-20-0x000000001E2A0000-0x000000001E33C000-memory.dmp

    Filesize

    624KB

  • memory/3032-21-0x00000000033D0000-0x00000000033D8000-memory.dmp

    Filesize

    32KB

  • memory/3032-22-0x00007FFD9D9E0000-0x00007FFD9E381000-memory.dmp

    Filesize

    9.6MB