Analysis

  • max time kernel
    93s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 19:08

General

  • Target
    264b27b9ac7ac6874e50d073638930b5_JaffaCakes118.exe
  • Size 1.7MB
  • Sample240508-xtnncaae6s
  • SHA256 b5476446d4f5ac386bdd94987323ed71f70de54016ba19ce31e6e46b43e267ce
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\264b27b9ac7ac6874e50d073638930b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\264b27b9ac7ac6874e50d073638930b5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\sz.exe
      "C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\sz.exe" /setupsucc
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:3140
    • C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\sz.exe
      "C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\sz.exe" /autorun /setuprun
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3804
    • C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\pluginsetupadmin.exe
      "C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\pluginsetupadmin.exe" /S
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Registers COM server for autorun
      • Modifies registry class
      PID:1296

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        npjlgplayer3.dll

        • Path C:\Users\Admin\AppData\Local\JuleGame\jlgplayer\npjlgplayer3.dll
        • Size 793KB
        • SHA256 e2dd0098bfe73f5ae6f407a03a11df39baed75e29fcdc67413bbbc6819a1c4a5
        • MD5 SHA1 SHA512 SSDEEP

        FindProcDLL.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3E05.tmp\FindProcDLL.dll
        • Size 3KB
        • SHA256 0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758
        • MD5 SHA1 SHA512

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr3E05.tmp\System.dll
        • Size 10KB
        • SHA256 bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
        • MD5 SHA1 SHA512 SSDEEP

        lander.ini

        • Path C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\lander.ini
        • Size 374B
        • SHA256 2fbf7507afd3c3c120fd4a5801f3adfcfe1a57b2e3c00f41799bcbac4236a02d
        • MD5 SHA1 SHA512

        pluginsetupadmin.exe

        • Path C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\pluginsetupadmin.exe
        • Size 461KB
        • SHA256 c007fefe59aa783e7ea677a6275f87b9675f750a8e31a67c8325440308eed90a
        • MD5 SHA1 SHA512 SSDEEP

        sz.exe

        • Path C:\Users\Admin\AppData\Roaming\2345ÓÎÏ·\sz\sz.exe
        • Size 1.2MB
        • SHA256 bcc516b915a8826ef12689e455d0b1afaa7ad1eae534729eb43e6639a95992f6
        • MD5 SHA1 SHA512 SSDEEP

        Lander.ini

        • Path C:\Users\Admin\AppData\Roaming\2345游戏\sz\Lander.ini
        • Size 105B
        • SHA256 2bb149a4225b101b9e91b0ff2a710e02dacff7f125a0d69144e95a0a7d54aba8
        • MD5 SHA1 SHA512

        memory/5076-43-0x00000000048D0000-0x00000000048D3000-memory.dmp

        memory/5076-44-0x00000000048D1000-0x00000000048D2000-memory.dmp

        memory/5076-42-0x00000000048D0000-0x00000000048D3000-memory.dmp

        memory/5076-53-0x00000000048D1000-0x00000000048D2000-memory.dmp

        memory/5076-54-0x00000000048D1000-0x00000000048D2000-memory.dmp

        memory/5076-62-0x00000000048D1000-0x00000000048D2000-memory.dmp

        memory/5076-61-0x00000000048D0000-0x00000000048D3000-memory.dmp

        memory/5076-14-0x00000000048D0000-0x00000000048D3000-memory.dmp

        memory/5076-15-0x00000000048D0000-0x00000000048D3000-memory.dmp

        memory/5076-16-0x00000000048D1000-0x00000000048D2000-memory.dmp