Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 02:52

General

  • Target

    76c9bd64c08fcaad792aa0d20e5ea1d5_JaffaCakes118.exe

  • Size

    216KB

  • MD5

    76c9bd64c08fcaad792aa0d20e5ea1d5

  • SHA1

    9a286424c104e29425069dbe0f1dfbff2f76d7f7

  • SHA256

    985dcbc96d8b2d1da27b3dbc71bf6d5437fddee5b504171c4eeb00c1630f89a6

  • SHA512

    b14f5223c087db9c8d73c143c47012eb6a9f3829e7138e8c2bf3496d1e7f85752d72b3445d91c034e15b530facb9fbe7b8d59f29a38e202d9b017d72bfae9312

  • SSDEEP

    3072:ERVsFDhU5o1hKcXZUEplNGh3D7t7Ggg3ASFBuNA7DuWP3c5AoPVm:YsFVpD2Ep/IDA3fFcNAnu75AoPY

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 9 IoCs

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

  • 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 35 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76c9bd64c08fcaad792aa0d20e5ea1d5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\76c9bd64c08fcaad792aa0d20e5ea1d5_JaffaCakes118.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:2340
    • 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:1180
      • 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:4240
    • 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\76c9bd64c08fcaad792aa0d20e5ea1d5_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\76c9bd64c08fcaad792aa0d20e5ea1d5_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\76c9bd64c08fcaad792aa0d20e5ea1d5_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\76c9bd64c08fcaad792aa0d20e5ea1d5_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2788
    • 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:4044
      • 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:1212
    • 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\Dontfightme.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Dontfightme.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4000
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Dontfightme.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Dontfightme.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:3208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2340-0-0x0000000000A40000-0x0000000000AB6000-memory.dmp

    Filesize

    472KB

  • memory/2340-1-0x000000000043F000-0x000000000045B000-memory.dmp

    Filesize

    112KB

  • memory/2340-7-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-8-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-9-0x000000000043F000-0x000000000045B000-memory.dmp

    Filesize

    112KB

  • memory/2340-10-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-13-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-16-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-17-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-18-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-20-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2340-24-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB