Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2025, 07:20

General

  • Target
    JaffaCakes118_7a5eab58bb4310fc23b03af65aa66afa.exe
  • Size 776KB
  • Sample250202-h58ekatkar
  • SHA256 49aeb7c801aaf180053f374a7a988c6e490e01ec1cae2ae75c6703abc2e26261
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 15 IoCs
  • Modifies firewall policy service 3 TTPs 8 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • 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 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5eab58bb4310fc23b03af65aa66afa.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5eab58bb4310fc23b03af65aa66afa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.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:2808
      • 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:2712
        • 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:3008
      • 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_7a5eab58bb4310fc23b03af65aa66afa.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5eab58bb4310fc23b03af65aa66afa.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2812
        • 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_7a5eab58bb4310fc23b03af65aa66afa.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5eab58bb4310fc23b03af65aa66afa.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:376
      • 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:2828
        • 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:3016
      • 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\Microsoft\uncryp7ed.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Microsoft\uncryp7ed.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2580
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\Microsoft\uncryp7ed.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Microsoft\uncryp7ed.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        vbc.exe

        • Path \Users\Admin\AppData\Local\Temp\vbc.exe
        • Size 1.1MB
        • SHA256 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386
        • MD5 SHA1 SHA512 SSDEEP

        memory/2680-22-0x00000000742D0000-0x000000007487B000-memory.dmp

        memory/2680-1-0x00000000742D0000-0x000000007487B000-memory.dmp

        memory/2680-2-0x00000000742D0000-0x000000007487B000-memory.dmp

        memory/2680-0-0x00000000742D1000-0x00000000742D2000-memory.dmp

        memory/2808-30-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-33-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2808-11-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-17-0x0000000000010000-0x0000000000011000-memory.dmp

        memory/2808-9-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-29-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-7-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-31-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-15-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-35-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-36-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-37-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-40-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-41-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-43-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-45-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-46-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2808-48-0x0000000000400000-0x0000000000470000-memory.dmp