Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2024 22:07

General

  • Target

    7ce38ca1af6a85849b900bb467e35da4_JaffaCakes118.exe

  • Size

    31KB

  • MD5

    7ce38ca1af6a85849b900bb467e35da4

  • SHA1

    45b5279f25ea7866b12bf9e02caf88dd8eba0629

  • SHA256

    edc6b8ca1076f0c004d7873f4079b4ba8f8a4f35c47c2baadca8e5ac48a91100

  • SHA512

    00db955af5530aa8e0eb0bb0cd4062c2aa4b5833b47678ceb26f1d440bfc7045f536888b525fd1879ad809943a99a0d4365101cb4e5e364ed809771086ded0ad

  • SSDEEP

    768:s5Ve4vSNzj9REzxv6/v5H3QI8tvaGQmIDUu0tikKj:cv4zq9JlQVkaj

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\7ce38ca1af6a85849b900bb467e35da4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7ce38ca1af6a85849b900bb467e35da4_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:3832
    • 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:4572
      • 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:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\svchost.exe

    Filesize

    31KB

    MD5

    7ce38ca1af6a85849b900bb467e35da4

    SHA1

    45b5279f25ea7866b12bf9e02caf88dd8eba0629

    SHA256

    edc6b8ca1076f0c004d7873f4079b4ba8f8a4f35c47c2baadca8e5ac48a91100

    SHA512

    00db955af5530aa8e0eb0bb0cd4062c2aa4b5833b47678ceb26f1d440bfc7045f536888b525fd1879ad809943a99a0d4365101cb4e5e364ed809771086ded0ad

  • memory/3832-0-0x0000000074E72000-0x0000000074E73000-memory.dmp

    Filesize

    4KB

  • memory/3832-1-0x0000000074E70000-0x0000000075421000-memory.dmp

    Filesize

    5.7MB

  • memory/3832-2-0x0000000074E70000-0x0000000075421000-memory.dmp

    Filesize

    5.7MB

  • memory/3832-13-0x0000000074E70000-0x0000000075421000-memory.dmp

    Filesize

    5.7MB

  • memory/4572-12-0x0000000074E70000-0x0000000075421000-memory.dmp

    Filesize

    5.7MB

  • memory/4572-14-0x0000000074E70000-0x0000000075421000-memory.dmp

    Filesize

    5.7MB

  • memory/4572-16-0x0000000074E70000-0x0000000075421000-memory.dmp

    Filesize

    5.7MB

  • memory/4572-17-0x0000000074E70000-0x0000000075421000-memory.dmp

    Filesize

    5.7MB