Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 23:41

General

  • Target

    4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    4fa8216f9c36ebef80a8909675ae73cc

  • SHA1

    06da9e91899e873bdea2f7867a06732d055b199d

  • SHA256

    e10adff0f35eb340809499b82cb4f6ba628ab138b4dcd18924b003c94dd1bfc1

  • SHA512

    638ad72f1067dbad83435c9a57cc5cc9c8f197bc53fc69d8ae40837c56459e745d93807aa972b8b9af68b80273f6fca0934f0651cb785e96364f3ff2a8544a80

  • SSDEEP

    3072:6F1u1rPFZyuyvWJzdMDy5wuOqRr96Qsrii5Jl373Sot/kRxjt5tsQ:xpo7IG+5wKKQsrii5JlL3Sot/GtDn

Malware Config

Signatures

  • 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3584
      • C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2364
        • C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"
          3⤵
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4612
          • C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\4fa8216f9c36ebef80a8909675ae73cc_JaffaCakes118.exe"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:240

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/240-11-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/240-10-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/240-9-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/240-12-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/240-16-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/4612-3-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4612-5-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4612-13-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4612-22-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB