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Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 16 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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 21 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 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ef576cb49a4da0e990ba554d32e013c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ef576cb49a4da0e990ba554d32e013c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe
      C:\Users\Admin\AppData\Local\Temp\\winamp\svhost.exe
      2⤵
        PID:2764
      • 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:3048
        • 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:2564
          • 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:1116
        • 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:2592
          • 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:1840
        • 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:2352
          • 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:2796
        • 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:2496
          • 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:1888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.1MB

      MD5

      34aa912defa18c2c129f1e09d75c1d7e

      SHA1

      9c3046324657505a30ecd9b1fdb46c05bde7d470

      SHA256

      6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

      SHA512

      d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

    • memory/2692-0-0x00000000742E1000-0x00000000742E2000-memory.dmp

      Filesize

      4KB

    • memory/2692-1-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/2692-2-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/2692-34-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/3048-22-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-37-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-11-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-24-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-26-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-23-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-19-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-15-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-35-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3048-36-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-13-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-38-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-40-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-42-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-43-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-44-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-47-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-48-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-50-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-52-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-54-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB

    • memory/3048-55-0x0000000000400000-0x0000000000471000-memory.dmp

      Filesize

      452KB