Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/06/2024, 01:15

General

  • Target

    10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe

  • Size

    5.5MB

  • MD5

    10389135fc8bfbc6cb8f235f9ba26118

  • SHA1

    169aa0f004e56b91b76cb38283a929758d664372

  • SHA256

    0bc49fc2e86d61fdd8b1e2e6e4ce73fb730245ad5eb02093e7e1f6d417e120db

  • SHA512

    4406f651da9922246acae0fc943a6b7cb69bd3f0a796d28442c49a5dadb78cb73dc337da117a99d98a919c70b29b3e90b138d47af2d26c1baf2134fc48baa418

  • SSDEEP

    98304:i0qh0r0q2wf02GzMwDws0q40q0qC0FwwRZHwNwYwz0qm0S0qC0mR2wqEwE0qJ0nb:i7effIPEsy58doQaTzwZ8Jq3ELhf8cHc

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\10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\10389135fc8bfbc6cb8f235f9ba26118_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:4980
    • C:\Users\Admin\AppData\Local\Temp\10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3740
      • C:\Users\Admin\AppData\Local\Temp\10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:3452
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:4784
    • C:\Users\Admin\AppData\Local\Temp\10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\10389135fc8bfbc6cb8f235f9ba26118_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:3700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    5.5MB

    MD5

    8eb3ba71cb23aaaa3e98c47cd9d69337

    SHA1

    b778d9670891f1cabca537fa8c829832b26b50dc

    SHA256

    343a9e3641831e10f15817dc8459f6c572764f926319e3670c7db5716be953ba

    SHA512

    39d3c3876d13825bc6455691147f3025155eb19099cbb790c5d7e836844c5cbdce54c2ce9d34e453fcd62c6e7995b6fe8b3bc071216390df426d962c0beabd81

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/3452-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3452-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3700-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3740-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4980-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4980-18-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/4980-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB