Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 08:28

General

  • Target
    8393d7df32d8a57a6130b14a58c047d4_JaffaCakes118.exe
  • Size 1.2MB
  • Sample240530-kc94ssch33
  • SHA256 8c7cfdd7fcb3c9ab2daf33bde7235cfb866a2fdbc0367db7969f0b685ddaa272
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 31 IoCs
  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 7 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8393d7df32d8a57a6130b14a58c047d4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8393d7df32d8a57a6130b14a58c047d4_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C schtasks /Create /F /TN "swgWin" /SC ONLOGON /TR "'C:\Program Files (x86)\Skywidget\skywidget.exe' schcmd" /rL HIGHEST
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /F /TN "swgWin" /SC ONLOGON /TR "'C:\Program Files (x86)\Skywidget\skywidget.exe' schcmd" /rL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:228
    • C:\Program Files (x86)\Skywidget\skywidget.exe
      "C:\Program Files (x86)\Skywidget\skywidget.exe" Updatecmd
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Windows\SysWOW64\sc.exe
        sc query npf
        3⤵
        • Launches sc.exe
        PID:3064
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C schtasks /Create /F /TN "SkyWidgetSystem" /SC ONLOGON /TR "'C:\Program Files (x86)\Skywidget\skywidgets.exe' schcmd" /rL HIGHEST
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /F /TN "SkyWidgetSystem" /SC ONLOGON /TR "'C:\Program Files (x86)\Skywidget\skywidgets.exe' schcmd" /rL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:968
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C schtasks /Create /F /TN "skywidgeter" /SC ONLOGON /TR "'C:\Program Files (x86)\Skywidget\skywidgeter.exe' Runcmd" /rL HIGHEST
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /F /TN "skywidgeter" /SC ONLOGON /TR "'C:\Program Files (x86)\Skywidget\skywidgeter.exe' Runcmd" /rL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:1948
    • C:\Program Files (x86)\Skywidget\skywidgeter.exe
      "C:\Program Files (x86)\Skywidget\skywidgeter.exe" Updatecmd
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\SysWOW64\sc.exe
        sc query npf
        3⤵
        • Launches sc.exe
        PID:1588
    • C:\Program Files (x86)\Skywidget\skywidgeted.exe
      "C:\Program Files (x86)\Skywidget\skywidgeted.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4884
    • C:\Program Files (x86)\Skywidget\skywidgets.exe
      "C:\Program Files (x86)\Skywidget\skywidgets.exe" Updatecmd
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\SysWOW64\sc.exe
        sc query npf
        3⤵
        • Launches sc.exe
        PID:2820
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c \DelUS.bat
      2⤵
        PID:2816

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          DelUS.bat

          • Path C:\DelUS.bat
          • Size 228B
          • SHA256 f5495481973a089928da96c6d448ee274a64630ea52558b1a89554353fee7d7e
          • MD5 SHA1 SHA512

          skywidget.dll

          • Path C:\Program Files (x86)\Skywidget\skywidget.dll
          • Size 394KB
          • SHA256 215db10bc99f164c478947bc8764599f92dd13825df7c3976a9add160fd84425
          • MD5 SHA1 SHA512 SSDEEP

          skywidget.exe

          • Path C:\Program Files (x86)\Skywidget\skywidget.exe
          • Size 406KB
          • SHA256 a051240474ebdd520d7e144be42327eb6d031877eebcd317799d9cd5506838f6
          • MD5 SHA1 SHA512 SSDEEP

          skywidgeted.exe

          • Path C:\Program Files (x86)\Skywidget\skywidgeted.exe
          • Size 578KB
          • SHA256 25190a20daf29836a63a18abe96e0c3bd7409d1c04e654c615b61f1c0d4fb6fa
          • MD5 SHA1 SHA512 SSDEEP

          skywidgeter.exe

          • Path C:\Program Files (x86)\Skywidget\skywidgeter.exe
          • Size 366KB
          • SHA256 ad300d5180b5d5effb70eac81be707e58f13aa328bc03ae12ea09331fe3fc62a
          • MD5 SHA1 SHA512 SSDEEP

          skywidgets.exe

          • Path C:\Program Files (x86)\Skywidget\skywidgets.exe
          • Size 386KB
          • SHA256 df90b340b912983f1c49d9f63b00375a5274ededb8bef3c901d0fed31476d389
          • MD5 SHA1 SHA512 SSDEEP

          DLLWebCount.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3AC9.tmp\DLLWebCount.dll
          • Size 32KB
          • SHA256 9c5f4eeadc9c2881bc02b45d757b35d3bfd2dc7d917d2e8fde2917fabf48908f
          • MD5 SHA1 SHA512 SSDEEP

          FindProcDLL.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3AC9.tmp\FindProcDLL.dll
          • Size 32KB
          • SHA256 0ac175b28d2a156e71bda214d4a35321c85d434e325624564f0a5eee23c718be
          • MD5 SHA1 SHA512 SSDEEP

          KillProcDLL.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3AC9.tmp\KillProcDLL.dll
          • Size 32KB
          • SHA256 ae2f1658656e554f37e6eac896475a3862841a18ffc6fad2754e2d3525770729
          • MD5 SHA1 SHA512 SSDEEP

          SelfDelete.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3AC9.tmp\SelfDelete.dll
          • Size 24KB
          • SHA256 2f4767da9dc7e720d910d32d451674cd08b7892ca753ec5c10b11fe85e12f06b
          • MD5 SHA1 SHA512 SSDEEP

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3AC9.tmp\nsExec.dll
          • Size 6KB
          • SHA256 168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
          • MD5 SHA1 SHA512 SSDEEP

          version.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3AC9.tmp\version.dll
          • Size 22KB
          • SHA256 31144e8b156fe87317073c48a09abcb033fda8dbdd96986c4abea8c00c00355f
          • MD5 SHA1 SHA512 SSDEEP

          memory/560-105-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-102-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-131-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-130-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-129-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-128-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-103-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-104-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-65-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-59-0x00000000035D0000-0x00000000035E2000-memory.dmp

          memory/560-60-0x00000000035D0000-0x00000000035E2000-memory.dmp