Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2024, 16:47

General

  • Target

    270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe

  • Size

    9.2MB

  • MD5

    270a871084d0bfb2edf26838b6d9f3ca

  • SHA1

    890b893e13a9134c08d385a0635b3d116b97ac69

  • SHA256

    52fe63b53dc9972bd6bb082c601b51c98836062f719b0c3865a0a3bf66a2fff6

  • SHA512

    21b35c867fe25a9ecd1bdb57e072248ecefd4642c8a4be4e430955a1e8d70630cb0c57064cb2e00583735564047ee589598f077d60c8b71625ba04f43d0775f1

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM9rdQyZbnE993V7nWBKnybp:i7effIPEsy58doQaTxLhQyZbIly38doJ

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 14 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_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:1904
    • C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe
        3⤵
        • 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
        • Suspicious use of SetWindowsHookEx
        PID:1980
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:2172
    • C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\270a871084d0bfb2edf26838b6d9f3ca_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    9.2MB

    MD5

    8ffb0fa9359a0eeaef0288f1744452b4

    SHA1

    fabe87986c9648dce5e58dfe5948bf4ba1960936

    SHA256

    71c028c1974f709a8809ab10a0a6d9c7a448cdf3c7b1be98d0d91817b9c32cb1

    SHA512

    b680867e6fedab91892946309db0e5da78925902e3af1f3e38bc9d4eff18eb51eb59ec063d6a3e297421dde07a4445f9a939d415452b9977f2cf69b0ab684a71

  • C:\Users\Admin\ftpdll.dll

    Filesize

    4KB

    MD5

    96717faa9411f7458b6074571a4dc5cb

    SHA1

    22fb28533ccc2a37d06bd9ba914aef86f64def36

    SHA256

    d54f7b2b311c9186623949504695d90279f23dec9222c91f28e8169d9fc92a69

    SHA512

    e37208bf5f2d5ec977f6da4529f264595262bf6c3072c1578803bec5c68c3d9af4cf927d4a651c53ab6535b738bb3a3f79838c6f48da49ef46f84dc8cf45818b

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

    Filesize

    9.2MB

    MD5

    53cf6a0c22c92f4dc7fcb9d12c755c61

    SHA1

    e0f55fcabf26a9501ccbcdcbd3218a712a6c900c

    SHA256

    89a8a81e80d484d6c8b755b40bbaa2e2468f18e5a6a24c6391336029c029af3b

    SHA512

    fd8d5823b91734f9d67b3ead7b2b950c3d5dc95774a3385aa54cc8c0f41bf315f1ad783416d50e75b16e6d0710497d2fb28e64c7c32090ba812e051f7280be58

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/224-8-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/224-35-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1892-1-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1892-34-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1904-14-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1904-17-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1904-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1904-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1980-32-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1980-37-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB