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
    18-12-2024 09:48

General

  • Target

    fb0a56ea5f7d02f210bbe5cf7bb97595_JaffaCakes118.exe

  • Size

    156KB

  • MD5

    fb0a56ea5f7d02f210bbe5cf7bb97595

  • SHA1

    36deada25da83e93c8f467fe6541870e2ed08f40

  • SHA256

    d7d909edf9593557f7fbddf8611286c99f553cec65e98667689e1cfb5a19c97d

  • SHA512

    eaabdda65fa4e62a166c046f97df051eea81653a4316b7c9d5c015d5c3f69a00d7fb1d0d0b2086991ccf0cd430f1dd1fd900cb80dc2589cce718bdfd5c1b6b3c

  • SSDEEP

    3072:JveUvgesZoLc1XcbdyuUTLz1zgAOEDcBz:lsZv1XwEVZzg9z

Malware Config

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.

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb0a56ea5f7d02f210bbe5cf7bb97595_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb0a56ea5f7d02f210bbe5cf7bb97595_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.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:2444
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\svchost.exe

    Filesize

    156KB

    MD5

    fb0a56ea5f7d02f210bbe5cf7bb97595

    SHA1

    36deada25da83e93c8f467fe6541870e2ed08f40

    SHA256

    d7d909edf9593557f7fbddf8611286c99f553cec65e98667689e1cfb5a19c97d

    SHA512

    eaabdda65fa4e62a166c046f97df051eea81653a4316b7c9d5c015d5c3f69a00d7fb1d0d0b2086991ccf0cd430f1dd1fd900cb80dc2589cce718bdfd5c1b6b3c

  • memory/2444-11-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2444-14-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2444-18-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2444-19-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3124-0-0x0000000074732000-0x0000000074733000-memory.dmp

    Filesize

    4KB

  • memory/3124-1-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3124-2-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3124-12-0x0000000074732000-0x0000000074733000-memory.dmp

    Filesize

    4KB

  • memory/3124-15-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB

  • memory/3124-16-0x0000000074730000-0x0000000074CE1000-memory.dmp

    Filesize

    5.7MB