Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 23:29

General

  • Target

    6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe

  • Size

    8.9MB

  • MD5

    6ca1f6a00ac8875545d310f9616fc286

  • SHA1

    e2ad00d38c0fbbca61f48f9dce9c4aca7f702336

  • SHA256

    8e5fd68b02e9750c95527143925ae9b98c9a103ef065d99d74354e93e599a13d

  • SHA512

    aaadbf67c6f6a319acd851dbb5f0848fe70a692c542fc09d4f216eb9475ddf3e2f5f50c29837e7de18fc9e0f44ca0f25318f360906545e9cf34d1f935fe6644a

  • SSDEEP

    196608:N7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQulen8O:N7effIPEsy58doQaTxLhQyZbIly38doL

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 2 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\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_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:1208
    • C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3896
      • C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:4080
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:4692
    • C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:4376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    8.9MB

    MD5

    5d042c7888ea1dbdbeba321cf214a9d6

    SHA1

    148a707c4cd86d7a97071ba37e97e66c351e4bd7

    SHA256

    9ac07fe0b70e22d254f9e48c86b2d6b3cb7118226271c2d6968666d978da0136

    SHA512

    c9168d2c963cb4302e072b7472134eba54eda20b3664fa50c6edb7eb7635247a5aa2f5bed98ec6128a7339df0f8b1fee72589fd531da4df261bf52480d90d15c

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1208-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1208-19-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1208-22-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3896-1-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3896-24-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4080-20-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4080-26-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4376-25-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB