Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 12:52

General

  • Target

    02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe

  • Size

    7.5MB

  • MD5

    02345e646bdcfe35838f764c881b8576

  • SHA1

    6b1358e6fe2a08c787e5618c64908b5dc4dbb8b0

  • SHA256

    bea4db0dc6396de59f48299344940d61cc0f3379d7a36b9e363ef88f8dd14a66

  • SHA512

    9b84ab25e1b7882e2219c5ee84e313a02167004bcaac0db1c74a2bfefabc0a94a692871c804831195f402ccc5e0baf3cd345c637f4e7b0f8f77690093b95d13e

  • SSDEEP

    196608:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxQw818dmXEQl1llLmiwlyif8cHQOyyy5QY:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxc

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:748
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:112
    • C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\02345e646bdcfe35838f764c881b8576_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\cftmon.exe

    Filesize

    7.6MB

    MD5

    4e37179df2799307cae0bcf0d3bd09b3

    SHA1

    8a4ea193b0af75a2c027920e2ad37877a5796e35

    SHA256

    7589d6a8ba92a8bba1c189c0df193f06d34c1a3f702981123223b822932210d6

    SHA512

    7e58515a8bd55eba99d46eba5c231247a0bae52c9550432bcb7880dec5a8a1ae08556d3bedf3dfbb3cf62e38d0d3d2bc2730ecea56ad60001c95bd5c6ef1d8d5

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/748-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1848-1-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1848-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2924-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3980-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3980-13-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/3980-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB