Analysis

  • max time kernel
    147s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 54 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 20 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 12 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fdf9ea8cab06346f3cec7a9382b4f6b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fdf9ea8cab06346f3cec7a9382b4f6b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • 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:2148
    • 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:2696
    • 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:2848
    • 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:2704
    • 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:2740
    • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\msn.exe
      C:\Users\Admin\AppData\Local\Temp\h8nil4o8\msn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2744
    • 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:2916
    • C:\Windows\SysWOW64\33ad.exe
      C:\Windows\system32/33ad.exe -i
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1724
    • C:\Windows\SysWOW64\33ad.exe
      C:\Windows\system32/33ad.exe -s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:900
    • 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:2316
  • 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:2060
    • 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:1636

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          188KB

          MD5

          2cfd87c3eef65aaae8a566418e68b2ba

          SHA1

          09934582b4eca060d9b2b472c36cc4969e9e8f4c

          SHA256

          77743fd918213465eae1be00d8119f151f8dab69e05ee2c516302f129986279a

          SHA512

          8104dec2839a58a069c6ddc128673526d21e3c123c4d8067e8d7174478cd9832428e6e6dedeebcc9fd42f8774f75357998d923157f10e225cee6b900363c517d

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

          Filesize

          424KB

          MD5

          4f6ce63267d08ab538075ea356d9eccb

          SHA1

          018938262eb330fafa52614374c007b6bd60208c

          SHA256

          90f87bc8a26d85bac8738ca0b41985b6d6e238c85f830ae713ccc6ca8a0371b8

          SHA512

          e216663f9e36b8d5715ddd9a4a6e1184425759bca43414f1a34831a4c78f807d6e028d3c480e87fb4c4509900dce679554335d2c436aa351b56d905f71ef549b

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

          Filesize

          204KB

          MD5

          6046b7447ef80c1bd324ce1e5d01a22a

          SHA1

          e3ae80092138630737c12fe57991ffa117071479

          SHA256

          bacab1a9ba815a5533217ff432d3c2edf21f3f8ecdd8cf36f183e04c9e593a63

          SHA512

          4bc29c866c9856a573d497cc53cc6199dcf5aa4e6e32f785e77a0fb5dd25efc0d7e643a8823186286be949f3e2cb76ae421d0e6f17908d2c6307e1e01ab708f0

        • C:\Windows\Temp\tmp.exe

          Filesize

          112KB

          MD5

          86b5a7321575d9566c2a0d6fd5c06ebf

          SHA1

          417728dd2c778cff2b28d496a1897b5faa204b59

          SHA256

          84a0670d1c653b85728074e13fb361a839870a596a3e2280f83026ade1dda468

          SHA512

          0e92673b08268bb33310484e3de552952392875ff04767b0f7aad844b5ab2a0c1bc78e623f05a179ce1557f4a2649b34c720b8259fe714a7e0927bc0dbea0f5a

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

          Filesize

          144KB

          MD5

          bd1b591d151e429bcb674e593a5d568f

          SHA1

          9cd91cee15fcad50f2853743b581ebec1e535b3c

          SHA256

          856920c0868ceec051246d7c97c4a96f5836f3ab2abdbece35222c6eaf518c26

          SHA512

          e044bad8420b30bbd761dffef716a2d8fd34f3ff9a20b3a6c2d8a773aa752377e5edde1b02b1ab9ded72198b22bc3f8997e1a0fa25cb4288dd9b3efeaa2c7494