Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2024, 13:38

General

  • Target

    b19570295774aa59a8ffb4849aa18735_JaffaCakes118.exe

  • Size

    580KB

  • MD5

    b19570295774aa59a8ffb4849aa18735

  • SHA1

    5aba19cbfe74b7b1992d1f85da0dd550753b5e3a

  • SHA256

    f38484003e400719dfbeaab61d2404796a98aaa4c9f9c975e7dca49b612130d6

  • SHA512

    dae4895ec6afa4d3665fbf1b8f84c3083580a346b7ec7b00e730fb21ae264a058e8a4074f843663264ff50ae336ed296b0259d178f79766652d31a2a59dd0fff

  • SSDEEP

    12288:XQ5Tw3W1SXMe7tYm7CoaUAp/0vI4jkAEzs4k65j+oy5asIjkOSIb7xLXfCJ4:X0w3MSt7tKIe2I4fcsVO+oI3Ijkj47xj

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 3 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 18 IoCs
  • Drops file in Windows directory 13 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b19570295774aa59a8ffb4849aa18735_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b19570295774aa59a8ffb4849aa18735_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:4716
    • 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:4472
    • 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:3944
    • 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:4424
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\8ado.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4952
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /s "C:\Windows\system32\8ado.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4940
    • C:\Windows\SysWOW64\aaad.exe
      C:\Windows\system32\aaad.exe -i
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5064
    • C:\Windows\SysWOW64\aaad.exe
      C:\Windows\system32\aaad.exe -s
      2⤵
      • Executes dropped EXE
      PID:3192
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32 C:\Windows\system32\830e.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:4520
  • C:\Windows\SysWOW64\aaad.exe
    C:\Windows\SysWOW64\aaad.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:2860
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32 C:\Windows\system32\830e.dll,Always
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    216KB

    MD5

    aedf5e5d1f1f478936d30f1b937b8537

    SHA1

    56206fb55e636b977fe7524c7db0d44e3e76262c

    SHA256

    e7cce4ff5575a4e8ebb6fb891fee5a34922b09f7089323554283efc5e8e79382

    SHA512

    c7ad70e55faf84b77a4c5936488587882b80fa4e883660f9c684c933908bfd557f10b78e254418eeaf2a4db20950a4805aeea126b80d35863ed0d6172530c0a1

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

    Filesize

    412KB

    MD5

    579ad39b0938a4040efe76715faa2a33

    SHA1

    1e1a111f2856c7b28eed809381b90d018aec9c9a

    SHA256

    c3f3668af2e4f2cfefaa5c8b99d6915c30efe5299911c1353811096bb3dd5b55

    SHA512

    da8cccb0ed00bc826ab0b7c2a87e55e81eafee27d05f913e2a54a56d55fa74c99deeb80dfa0cc13cc9073acd269ad2d0880035d9659d0d9e6012ab9490d756b8

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

    Filesize

    152KB

    MD5

    b6c2782d0746e7d43034372a4fe64133

    SHA1

    7fa3ef387fbccb031c02e39c67aefde5da16761a

    SHA256

    3fb1ec5810cd066c4a8ff362bae7c9ffa8fe6f50bbff7da76f72a0a035ce85a5

    SHA512

    abc89d193b43eca7c5d468130dac504d45a63e14aa4b6b3464d84763607c4ba1475f2a1646b600c6fdb120e78cfec34fcb1b15adbb272724ed413ad7be492ad5