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Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 07:34

General

  • Target

    8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe

  • Size

    204KB

  • MD5

    8548dd17f0f665cc94431d513dbbf7f8

  • SHA1

    4a87a8906e025657f46b6bc9ab7ed22757bd9621

  • SHA256

    e3bc4dd01df081b5ff59f5b0f2af56e84067c49c53efbe8b7bc757defac8879f

  • SHA512

    cd72bbc4aadc042ba85d8870756d5f7a2c167414bcc3aab89f94eb0fc56ab1942f81e419af742aac9a83a97a232c675e068d1ed4b0325eef191acc4037d377b1

  • SSDEEP

    6144:tEvjSkZ5AqUTyKkp09suOkTiyzQUvOQ7bXQb1CoS:ISkjd7KxXFhUUvOOjoS

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 13 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 4 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Local\Temp\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe
      2⤵
      • 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:448
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3664
        • 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
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4700
      • 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\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4576
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\8548dd17f0f665cc94431d513dbbf7f8_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1776
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4364
        • 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
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3916
      • 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\MSASCui.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSASCui.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1940
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\MSASCui.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSASCui.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/448-16-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-5-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-7-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-3-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-15-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-18-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-19-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-20-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-22-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-26-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/448-32-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/5048-12-0x0000000000400000-0x00000000004EA000-memory.dmp

    Filesize

    936KB

  • memory/5048-0-0x0000000000400000-0x00000000004EA000-memory.dmp

    Filesize

    936KB