Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/08/2024, 18:03

General

  • Target

    971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe

  • Size

    384KB

  • MD5

    971b1687c69fd40e2e7c5ff40d596368

  • SHA1

    00ea134e1d4c1f30ab586fe4b02065ca728d5f0c

  • SHA256

    341760da35d65523984e5e9b716a976bd26a518005a24eca4e2834544ae5fc74

  • SHA512

    3c092a3c690f1ef4d0e822b3e21410c0a042037014a5239e67175fa852f2d19a122a395915be5c72bde5bbea53f28ea64d6e22e14a46e3b3fcc6fecc95356432

  • SSDEEP

    6144:HbFI/MyQpzuDZLsBhyOAoCaml6HHCMe00O6KBex70FGlgrT9o2U91g:H5yQpSFkNo6CMe26Kw7dkJoPw

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 19 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • 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\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe"
        3⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3300
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1852
          • 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
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4004
        • 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\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2636
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\971b1687c69fd40e2e7c5ff40d596368_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4920
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3768
          • 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
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1904
        • 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\Microsoft\Advanced\winuser.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Advanced\winuser.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3708
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Microsoft\Advanced\winuser.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Advanced\winuser.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2916

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/1052-14-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1052-3-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1052-5-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1128-0-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/3300-24-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-29-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-10-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-20-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-21-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-22-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-11-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-25-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-26-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-8-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-32-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-35-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-39-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-42-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-45-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-52-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-59-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-62-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/3300-65-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB