Analysis

  • max time kernel
    150s
  • max time network
    50s
  • 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 11:45

General

  • Target

    01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe

  • Size

    9.2MB

  • MD5

    01fb41468fd4eb3367e371cafc27e328

  • SHA1

    0f5376da15cf46b928ed02a2a8c25d9430be7711

  • SHA256

    3f0f63dd4f7b861b593aa135f328eb1fa77031aa2ec7c341c3994a2641679827

  • SHA512

    7a840833d403c8e71f04911054e182566bb2daf6d7043ae34aeb302e280f5f50aaf9d89661559cd9b8638ade0237cea9574c927fabb5081ff94b187f75b2656a

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQulen84:i7effIPEsy58doQaTxLhQyZbIly38doB

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 8 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\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_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:1328
    • C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:1240
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:1760
    • C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\01fb41468fd4eb3367e371cafc27e328_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:1800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    9.2MB

    MD5

    4477469654cfa830c4ac4ac5743a01cd

    SHA1

    d85f070d5fe18bc206d987cdfe36df82b663076f

    SHA256

    fb6f4e83a386da310d4418743fc8379e3a6f2158c1c0a37e97c49b657dfe1c51

    SHA512

    6da0f33935cc9c87e1577f48785165c26484a6fb0ff0d661597bcc3b61fe17fc44734a993a058986554ccf22463c153c1cea177315078cb1b3f67beaaf469ecb

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1240-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1328-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1328-12-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1328-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1800-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3672-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB