Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 22:25

General

  • Target

    4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe

  • Size

    208KB

  • MD5

    4bab5be2ced099080b81fb33ae4c64b8

  • SHA1

    59195b5f86a05bfd7bf78acfc04307cdcbe06ead

  • SHA256

    445557d23581225127de60121818a55f61887329669c769e4a155868fffb1112

  • SHA512

    dea4e69c966ca2f2253a558892c28fdc1f7d9b93c76c88fb6b3ea20b99f2437744d84d543a5042cb4b2659623b22739968b349e31d93cc304318a1852a426927

  • SSDEEP

    6144:MLa94GN7fiIEAeLHJx0GZ18n7tHOzz8NUY1uQ6FA1CBBpBeagzaWxUm9:MW94GN7fiIEAeLHJx0GZenpuX1Y1uzF2

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.

  • UPX packed file 15 IoCs

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

  • 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 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Users\Admin\AppData\Local\Temp\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe"
      2⤵
      • 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:3552
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:100
      • 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\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1856
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\4bab5be2ced099080b81fb33ae4c64b8_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:1384
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:5044
      • 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\freetokens.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\freetokens.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2384
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\freetokens.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\freetokens.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:2136

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3552-5-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-4-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-2-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-9-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-12-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-15-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-19-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-21-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-24-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-27-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-31-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-34-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-37-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-51-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3552-54-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB