Analysis

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

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 05:26

General

  • Target

    6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe

  • Size

    9.6MB

  • MD5

    6d76eccef17c33d108fea2d3b0f1846b

  • SHA1

    9a3cce565571735201fa82a23e86660e75677144

  • SHA256

    a4846aff20db1c1fcbca5dc8a182399bf1500983b18ac8562f28f99c22fb99a7

  • SHA512

    86bd624e147d0001ad79cc2a3cad33b7e8594fdbbde55f2a3c1178ebfd6f9bc91dd60382ac5f0d38422bc5381e55dd74587d26042aa1c007a0f0bc7a4536e66e

  • SSDEEP

    196608:N7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQuMozkt:N7effIPEsy58doQaTxLhQyZbIly38do9

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 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\6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6d76eccef17c33d108fea2d3b0f1846b_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:3644
    • C:\Users\Admin\AppData\Local\Temp\6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Users\Admin\AppData\Local\Temp\6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:1348
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:3680
    • C:\Users\Admin\AppData\Local\Temp\6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\6d76eccef17c33d108fea2d3b0f1846b_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:4428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\drivers\spools.exe

    Filesize

    9.6MB

    MD5

    04e41928006333ccf592fb33d21e5401

    SHA1

    2c99435b4821a2730168ae10e4d4bf6a321384e5

    SHA256

    8e06ded82224c96762e36de8b839b343bad7e9a1b099d5144fb94dd9ba013b62

    SHA512

    b19e5b4ea27187af0996724b8196a000a05c51dea9a5a7c0ca731b4e0284f5ae5555ce2b8826240c05b30b10aac078547c27302b6c26f6253da60f4f6973feb2

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1348-20-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1348-26-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3644-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3644-19-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/3644-21-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/3644-22-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4016-24-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4428-13-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4428-25-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB