Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16-07-2024 07:43

General

  • Target

    4d60ed02bc2eae846230ddb132b06327_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    4d60ed02bc2eae846230ddb132b06327

  • SHA1

    ab452058c687a41ff067f21642728c7e3df2fa0f

  • SHA256

    c0fd3a36837f8c65e2fd32a0fa0f62db86307156bc8217208c182da3a75fe834

  • SHA512

    d8c21a915867a3e606e4c9eae7a7d198c380f96ec3e31dbe6999c5164c8afdfc53f575e4ec1299ed855a3a32b27b095ed079c4ac0f8d2d99a82668674e934def

  • SSDEEP

    24576:Aoo0rrnSvC9jcBAVE8s8iEL83KIw+90VuhFDoGZPRb:AoxrrSvChcBARs8iEY3KQ04PbZJ

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d60ed02bc2eae846230ddb132b06327_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4d60ed02bc2eae846230ddb132b06327_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\ProgramData\defender.exe
      C:\ProgramData\defender.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\defender.exe

    Filesize

    909KB

    MD5

    da61ffabb4ce35a2195f722c995b9423

    SHA1

    b0e5337359b2d17ba29abfa53069eb623728a97e

    SHA256

    504a018bb2d755922f259725491403f3ab3c2318d9269b547ce94d71bebd37da

    SHA512

    694bc84c3f6b584a2b508ed1d3716f92fb6127adc77cc22229dfc877908aef58e90911ef95480bd2013a87358822aa06a9164f4ea890b5e5efbce2f1828817ab

  • memory/2176-43-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-48-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-26-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-36-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-52-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-51-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-30-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-35-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-50-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-27-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-49-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-44-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-47-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-37-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-33-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-34-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-24-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-46-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-45-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-38-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-39-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-41-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-42-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-29-0x0000000000400000-0x0000000000A30000-memory.dmp

    Filesize

    6.2MB

  • memory/2272-6-0x0000000077280000-0x0000000077281000-memory.dmp

    Filesize

    4KB

  • memory/2272-32-0x0000000000400000-0x0000000000718000-memory.dmp

    Filesize

    3.1MB

  • memory/2272-13-0x00000000003E0000-0x00000000003F0000-memory.dmp

    Filesize

    64KB

  • memory/2272-0-0x0000000000400000-0x0000000000718000-memory.dmp

    Filesize

    3.1MB

  • memory/2272-2-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/2272-3-0x0000000000400000-0x0000000000718000-memory.dmp

    Filesize

    3.1MB

  • memory/2272-9-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2272-22-0x0000000002A90000-0x00000000030C0000-memory.dmp

    Filesize

    6.2MB

  • memory/2272-23-0x0000000002A90000-0x00000000030C0000-memory.dmp

    Filesize

    6.2MB