Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-06-2024 12:23

General

  • Target

    021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe

  • Size

    7.6MB

  • MD5

    021a6b5f59d2f15796b2a4b8f31eb929

  • SHA1

    dbc775eb9407d0da43f3c5877eeae0ef90115af5

  • SHA256

    d56928748500c56bbb47036df0be3e37573a239e90eb4b54efa9a2b82df9f75e

  • SHA512

    7674cb84f27b9d05c81c5897d18ed7705938d43bd5888ca4da034277e2dba949724c0f10d99720588fe3f29534913b54ad08467f962e83fd702ccda960bdcb5f

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM9rdQyZb9eMf1WIEx6NqLNo:i7effIPEsy58doQaTxLhQyZbIly38doN

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 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\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_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:1996
    • C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:2668
    • C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\021a6b5f59d2f15796b2a4b8f31eb929_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2080
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    7.6MB

    MD5

    ee9a07db3a3725fce5a9aa2d0de4fb7f

    SHA1

    dc37151d39cbb5f22a04f024509dc43fd9053181

    SHA256

    6b6e5d3e286ccaef0abcf4c2d212097b3d9aa6bd6fd2219d66caa8e7be25c46b

    SHA512

    78b2a64d96e431d927ccc60bb795c549f162a18aaa8264ab20487d193771cb32f62e3998b6779ae8ff2cd462222679061cf76b056a6c1aa12150cdbd55561473

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1996-1-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

  • memory/1996-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1996-14-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1996-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1996-18-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

  • memory/2080-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2668-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2896-3-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

  • memory/2896-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2896-21-0x0000000000350000-0x0000000000376000-memory.dmp

    Filesize

    152KB

  • memory/2896-2-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB