Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2025 11:18

General

  • Target

    JaffaCakes118_87e7b4945bba2ac1ee06c8da855e4283.exe

  • Size

    432KB

  • MD5

    87e7b4945bba2ac1ee06c8da855e4283

  • SHA1

    95cd35dbd6fd7f09211ff86c6c20a1d1dc09d03a

  • SHA256

    93495385e11fd900b2801cdfd2d6865c5b8f8a2f1962cb6bcfeda7940916d694

  • SHA512

    ef1b23490f65e1d53d7dc3e520d1e4e01b0d5f9a6fa9db20aa15ef415b70c8e740de2c95822f7c349f7d8557093408100c5b09bf0fa06fd89fc96fdc5df65a65

  • SSDEEP

    6144:1IVDHKXWBHnC5RavbEd6FxuDC8zVpJ46U/uRqy1WQ:1IgKUazdUCaVpJ46U/uRqyh

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
  • System Location Discovery: System Language Discovery 1 TTPs 9 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 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87e7b4945bba2ac1ee06c8da855e4283.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87e7b4945bba2ac1ee06c8da855e4283.exe"
    1⤵
    • 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:3896
    • 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
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4216
    • 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\JaffaCakes118_87e7b4945bba2ac1ee06c8da855e4283.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87e7b4945bba2ac1ee06c8da855e4283.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87e7b4945bba2ac1ee06c8da855e4283.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87e7b4945bba2ac1ee06c8da855e4283.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2284
    • 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
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4900
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:1508
    • 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\TeamVyewer_Setup.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\TeamVyewer_Setup.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4324
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\TeamVyewer_Setup.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\TeamVyewer_Setup.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3896-6-0x00000000773D1000-0x00000000773D2000-memory.dmp

    Filesize

    4KB

  • memory/3896-7-0x00000000773B0000-0x00000000774A0000-memory.dmp

    Filesize

    960KB

  • memory/3896-8-0x00000000773B0000-0x00000000774A0000-memory.dmp

    Filesize

    960KB

  • memory/3896-9-0x00000000773B0000-0x00000000774A0000-memory.dmp

    Filesize

    960KB

  • memory/3896-12-0x00000000773B0000-0x00000000774A0000-memory.dmp

    Filesize

    960KB