Analysis

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

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2024, 06:47

General

  • Target

    5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe

  • Size

    436KB

  • MD5

    5adf21976d3c49d7fd2b0b0ddbe52a27

  • SHA1

    0e601134fd4321afdf31fba580ad557477541357

  • SHA256

    f2321cad844ffee42e1d9637697642b6b0d4793dded1edbd794bc310ba54953f

  • SHA512

    643c7a16ac7615f03927eba968b2566b010e972b0944126b826daadc4ae6317494ca3984b938a32ebaa01fa44bbc74c23896912d74100d0f793493ceed933833

  • SSDEEP

    12288:poQQQRzVfElEGAiNtNy9Ktg7Sbcd+aP/EuPiF+KAA:poQQQRzViNg7MKP/EuA+KN

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe"
        3⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4420
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1144
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3756
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5044
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\5adf21976d3c49d7fd2b0b0ddbe52a27_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:4940
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3164
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:664
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\taskmanger32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\taskmanger32.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3876
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\taskmanger32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\taskmanger32.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1496

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/540-14-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/540-6-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/540-3-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/4420-20-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-11-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-19-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-9-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-23-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-26-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-28-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-31-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-34-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-38-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-44-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB

        • memory/4420-48-0x0000000000400000-0x000000000045A000-memory.dmp

          Filesize

          360KB