Analysis

  • max time kernel
    149s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 00:30

General

  • Target

    4fdf9ea8cab06346f3cec7a9382b4f6b_JaffaCakes118.exe

  • Size

    516KB

  • MD5

    4fdf9ea8cab06346f3cec7a9382b4f6b

  • SHA1

    68007586816601df7456a7b82055cdd52af4c137

  • SHA256

    c9c2231837ae6c39dcb2b6bd1942e30de07fb082e4e89bac98805d0cacb88673

  • SHA512

    08ae02af14c96f2f9e59106551398c723ad0925123a43ac0f366e033517fedb06a4ba5c83ec1f55aac3002b3eca557ed75de0a5f1b634285ac99387653b77f41

  • SSDEEP

    12288:SbBKu3TIqcNuNQWjNNflg1Bn1QNN+xMBLc5/B5g2tcL4GM:S4u303PWJETnU+xMBLyxtcy

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 33 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

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

  • Drops file in System32 directory 19 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 47 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fdf9ea8cab06346f3cec7a9382b4f6b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fdf9ea8cab06346f3cec7a9382b4f6b_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32/70l8.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3992
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32/03ca.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4704
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32/da3r.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5052
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32/aado.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4560
    • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\msn.exe
      C:\Users\Admin\AppData\Local\Temp\h8nil4o8\msn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5076
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /s "C:\Windows\system32/aado.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3764
    • C:\Windows\SysWOW64\33ad.exe
      C:\Windows\system32/33ad.exe -i
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:372
    • C:\Windows\SysWOW64\33ad.exe
      C:\Windows\system32/33ad.exe -s
      2⤵
      • Executes dropped EXE
      PID:3876
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32 C:\Windows\system32/330e.dll, Always
      2⤵
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2844
  • C:\Windows\SysWOW64\33ad.exe
    C:\Windows\SysWOW64\33ad.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32 C:\Windows\system32/330e.dll,Always
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3512

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\b.dll

          Filesize

          172KB

          MD5

          bf03c74940b9b8286a0e77e84925707d

          SHA1

          e3506c50114fb7a1fdf613afd98e6cdb23ec057c

          SHA256

          5e412fce9301556b8008f53f20a5ec58d9f7e65446004279c37bbf8b66af4be8

          SHA512

          d4592d55c3b25addaf7750f065052e1bebe1aee8d42c14bb5f5b736403088e847340882d70e52eda2154b8ce8e8c9ba25f46116ac700a3206b12ca64417306bf

        • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\msn.exe

          Filesize

          160KB

          MD5

          93d4ccd3eea5fb85f8aac7921ecc5288

          SHA1

          445e4536ec7b5a8536f7ce7bed25e4063e73e9e8

          SHA256

          664c28f68195da2e46db979ef28345042c8b580eb3305c0b6241a1ab65d661a4

          SHA512

          1fad239838095d129c816721049f0dfa374265f37f7d6dd563df553f8049d7b5b3ed5df5d50888d2bfcdc3174e868e3eb43f44635b35340a3c50c2383231b6ab

        • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\p.dll

          Filesize

          408KB

          MD5

          86855e22ba73c1a121c6b7c6a9f56c8d

          SHA1

          66aa6c10ba074aaca38a942c5b83ad0661838a59

          SHA256

          459b1d0f0c35f4ff88f00b937c2ce37153fa6b6df325a684e21291ebfd44b664

          SHA512

          4348425b0604863ef80b64bbccef98af4a99f63e9c3cf943055b8f68c40d4002702409a0c13f928bbf0e579675097c97509dddfc401bb464d5c324593058061e

        • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\s.exe

          Filesize

          144KB

          MD5

          f2c63e569ef696faf377c0f703759390

          SHA1

          cb815c600370d7ebe5bc306c2b48e4f618550262

          SHA256

          608389f5f3ffb9d6f04b6f4209f6f0899282f79b99389999bbc1d43e3066facc

          SHA512

          b8ee530b6a17f10020234ce04458232a2516267930f04bcb08224705f2c752ee6606cc19faaf900d931b20e20fe5aad86b36f011d1e8ec904cd28bd5066824b9

        • C:\Windows\Temp\tmp.exe

          Filesize

          44KB

          MD5

          7ee5da3587f7364a816be1ffb5528321

          SHA1

          3910e8f2b8b3c0cef79857513501f427d87b2827

          SHA256

          e17ed214d2e89a8f6b4228a121519b94cc4361c54c1741b8505e7736752e8752

          SHA512

          385d291714704dacc6c4face0c171fba3e98dedbd44407c954596cef4265a711828568a5292b1da155c93e026614b0cda13fd183a406489f38e4bfa29c631f41