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Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2025, 11:51

General

  • Target

    JaffaCakes118_5ef576cb49a4da0e990ba554d32e013c.exe

  • Size

    517KB

  • MD5

    5ef576cb49a4da0e990ba554d32e013c

  • SHA1

    48674a39a9ce03134c927eeff190d4f02f0fd793

  • SHA256

    385d35c25b09ab6abb48998073cec983f2b3ff49554ae44ca362a414fa194f7c

  • SHA512

    42ab45b34d1e619f740004ff93eb20e0e30ff37425d97a1e390bb898b67a5dcfcaf05acb14d80765d81f2235370e655476256c60a985c69e6017432353eddb42

  • SSDEEP

    12288:G5mkmvmMzBdAwLJQjEhwVpLR0zdOrs5CtuZfjEu:G+vPBa2z8rS31E

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 17 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 19 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ef576cb49a4da0e990ba554d32e013c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ef576cb49a4da0e990ba554d32e013c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe
      C:\Users\Admin\AppData\Local\Temp\\winamp\svhost.exe
      2⤵
        PID:2952
      • C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe
        C:\Users\Admin\AppData\Local\Temp\\winamp\svhost.exe
        2⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • 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:4508
        • 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:1688
          • 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:4596
        • 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\winamp\svhost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe:*:Enabled:Windows Messanger" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:772
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe:*:Enabled:Windows Messanger" /f
            4⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4740
        • 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:1536
          • 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:1812
        • 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\WinDefender.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinDefender.exe:*:Enabled:Windows Messanger" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3120
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\WinDefender.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinDefender.exe:*:Enabled:Windows Messanger" /f
            4⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4196

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe

      Filesize

      1.1MB

      MD5

      d881de17aa8f2e2c08cbb7b265f928f9

      SHA1

      08936aebc87decf0af6e8eada191062b5e65ac2a

      SHA256

      b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

      SHA512

      5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

    • memory/4276-25-0x0000000075340000-0x00000000758F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4276-1-0x0000000075340000-0x00000000758F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4276-2-0x0000000075340000-0x00000000758F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4276-0-0x0000000075342000-0x0000000075343000-memory.dmp

      Filesize

      4KB

    • memory/4508-28-0x0000000075FB0000-0x00000000760A0000-memory.dmp

      Filesize

      960KB

    • memory/4508-32-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-13-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-21-0x0000000075FD1000-0x0000000075FD2000-memory.dmp

      Filesize

      4KB

    • memory/4508-23-0x0000000075FB0000-0x00000000760A0000-memory.dmp

      Filesize

      960KB

    • memory/4508-22-0x0000000075FB0000-0x00000000760A0000-memory.dmp

      Filesize

      960KB

    • memory/4508-11-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-26-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-27-0x0000000075FB0000-0x00000000760A0000-memory.dmp

      Filesize

      960KB

    • memory/4508-7-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-29-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-12-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-36-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-39-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-42-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-46-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-49-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-52-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-55-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-59-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-62-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-66-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-69-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/4508-72-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB