Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 3 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 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 4 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 16 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:1728
    • 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:2688
      • C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\6ca1f6a00ac8875545d310f9616fc286_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:2596
    • 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
      PID:2984
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    8.9MB

    MD5

    75c07a69e62ef36bcd5c50283fb5062c

    SHA1

    900b76de422674ebb8e31512fc101120ef721f7d

    SHA256

    d8351175d853769c2d669756dcbb008ecfeb7d9daf6d024519b173ae64c74784

    SHA512

    390df142758227955269f1c5a35835b912aa1f7bf1e16e1bd163bff7e2b44af54b793e0417465d46e2666b36f7babad2d386601b390b27941ae3f59f4d9566ce

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1728-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1728-1-0x0000000000230000-0x0000000000253000-memory.dmp

    Filesize

    140KB

  • memory/1728-14-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1728-18-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1728-19-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2596-22-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2688-2-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2688-3-0x0000000000390000-0x00000000003B3000-memory.dmp

    Filesize

    140KB

  • memory/2688-20-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2984-21-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB