Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 20:34

General

  • Target

    JaffaCakes118_43729648b032f8b8bf315299d8894237.dll

  • Size

    88KB

  • MD5

    43729648b032f8b8bf315299d8894237

  • SHA1

    c6f8261b0e6a0542eff89daf8fa04d51d6e5cddb

  • SHA256

    b9fd0c7b637f61a56c22c9a60fcbbae33c41558b45e0b44e6d0dd21bd194fab3

  • SHA512

    5f8ae8006393bcceef28deb670d3df7734572af65a92e6a2f300ba51b3d6b59f981f7bf47eef7420675c89f845745db13598d090e5b443ebb8e6b799c763fc49

  • SSDEEP

    1536:C1hQQOyDyIw8xY0hzyZ6QdIg6Wncl6yno8PcX0BryNZHOVS+vDDDZP04L8:2AXSzvQdIghnCAX/O0+7ps4

Malware Config

Signatures

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43729648b032f8b8bf315299d8894237.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43729648b032f8b8bf315299d8894237.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2876

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/2876-2-0x0000000010000000-0x000000001000A000-memory.dmp

          Filesize

          40KB

        • memory/2876-1-0x00000000000C0000-0x00000000000CB000-memory.dmp

          Filesize

          44KB

        • memory/2876-4-0x00000000000C0000-0x00000000000CB000-memory.dmp

          Filesize

          44KB

        • memory/2876-5-0x0000000010000000-0x000000001000A000-memory.dmp

          Filesize

          40KB