Analysis

  • max time kernel
    138s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 23:59

General

  • Target

    4a91e3a23440d16fbcba9b10b54dee53_JaffaCakes118.dll

  • Size

    397KB

  • MD5

    4a91e3a23440d16fbcba9b10b54dee53

  • SHA1

    d297b74c85b5fb748d8a2807b49558b0a9f3fd3a

  • SHA256

    4fb5d550e999dbd751beea4ad677ded8157fca2a5de8c36534954b78d21f4e00

  • SHA512

    cd0c7af1d0d54924f5ee28a5ffe6ce15a2d624156cb4f6782edac64f58ed8aeb2211e37d44f0602b9853773a401ad4e3dd0328e2a378ffb1df587b626205063d

  • SSDEEP

    6144:ph7AgrNRbjNb0OXUFMoi2combwPYNRRlAssavROgDG0pdq12C:zBXbjNb0OXUFMoi2coOYYnRlYaQgxC

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.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a91e3a23440d16fbcba9b10b54dee53_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a91e3a23440d16fbcba9b10b54dee53_JaffaCakes118.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2920

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Public\Documents\XMUpdate\conf.db

          Filesize

          403B

          MD5

          85635cd7bf60dacfe7f04516bd7aedda

          SHA1

          ad8c7aaf4d32f1facbdd8f30652242cb01432f7f

          SHA256

          f0201e7fc0d3c58431afd58174690a6484b53242ed042387dcc72d9541531cfa

          SHA512

          f5b4665ff4fa38a96725e875b73aef4dd29aba3cbf641cf569c3472d171924ff623e5ec7f8f88f5ff89d4962aa077e058256ea0fdc274ed712fecb17ccc835d6