Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 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.

  • Executes dropped EXE 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5eab58bb4310fc23b03af65aa66afa.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a5eab58bb4310fc23b03af65aa66afa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3300
    • 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:4648
      • 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:2188
        • 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:332
      • 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:1860
        • 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:2080
      • 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:2504
        • 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:1584
      • 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:4640
        • 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:3792

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        vbc.exe

        • Path C:\Users\Admin\AppData\Local\Temp\vbc.exe
        • Size 1.1MB
        • SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
        • MD5 SHA1 SHA512 SSDEEP

        memory/3300-10-0x0000000074C40000-0x00000000751F1000-memory.dmp

        memory/3300-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

        memory/3300-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

        memory/3300-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

        memory/4648-21-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-35-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-18-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-19-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-20-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-5-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-25-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-29-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-32-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-9-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-39-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-42-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-45-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-48-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-55-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-59-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4648-62-0x0000000000400000-0x0000000000470000-memory.dmp