Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 04:54

General

  • Target

    ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe

  • Size

    9.2MB

  • MD5

    ef1a4e5837d0f6dd5b5bc5d1b87c54c5

  • SHA1

    4746ab23f41403caeb06f85fb6883af89b105ca9

  • SHA256

    637b214ccbdac4b59cc790a8743ab414552b37a561f44afd60d0fb234a7a3411

  • SHA512

    63d8485b48acdce2f4f46f114b7a2c42c59e0f36c9054ad99fef3868c643893c69b29393b240b995dceafd298fd9046eb397da8988058d9a1494d63e4e581fa4

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQupuBy4:i7effIPEsy58doQaTxLhQyZbIly38doF

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 3 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 8 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4092
      • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:2536
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      PID:3316
    • C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ef1a4e5837d0f6dd5b5bc5d1b87c54c5_JaffaCakes118.exe
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    9.2MB

    MD5

    d6b040341776558e86828e92ffc2ea63

    SHA1

    1e5191d69ddf616c5fe70c0f2332a4875abae4a5

    SHA256

    358834a2777a96da76868ea296a47055a02c180ba0aec978549dc8b5dd5c3d54

    SHA512

    a7eed2cace082ff264f9d67a0ede2fded8ad18752a7a16fbe12be18d009c8391c4119a46a9d68bbcb5b5954039ca91d488d3c940b537b9f54921a3a146c7cd63

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

    Filesize

    9.2MB

    MD5

    f8aa201e7880024a885d520518d530a0

    SHA1

    a47809855ba535fda9b36059dbda5b53f84f79ef

    SHA256

    7508b27b8d29e8c95442fa879262cc9b0c69bf45bae8d09cc364840d12a30456

    SHA512

    8c69a0a11e958157aa2177c14d29c8ebe23dfc6c6f50ffb121d2886b427ff1291c3784fe7dd508b79ecb02531ee0925df3f3c2649c3d705df481a77db23846fe

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/2536-34-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2656-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2656-12-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2656-15-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2656-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3688-30-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/3688-32-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3688-33-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/4092-31-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB