Analysis

  • max time kernel
    19s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2025, 19:35

General

  • Target

    JaffaCakes118_9519399b5ad62da0d98f9917f002245e.exe

  • Size

    288KB

  • MD5

    9519399b5ad62da0d98f9917f002245e

  • SHA1

    d8229357d6120066d5ee089408d98af78b3586d5

  • SHA256

    0fa42aef5597e0d5ceaaf3dedca66a25ff6c5f1f4e4a190a5348e16c955a3cf9

  • SHA512

    503fad1191c04acf17a904bba515cf7c513f96120aa36fade1a2ba7943d6bd7a3779ac8548dd078d054feeb9de61bf64f2cec600145d9d450bf39e51b8cc1eef

  • SSDEEP

    6144:HECBDSIvCr1BFL9bBYJ5oIXXlzI0hmSi4O8pkhK7749:HeIubBYjBIJqOoR7e

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 7 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 5 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 9 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 5 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 11 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9519399b5ad62da0d98f9917f002245e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9519399b5ad62da0d98f9917f002245e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9519399b5ad62da0d98f9917f002245e.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9519399b5ad62da0d98f9917f002245e.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:2544
      • 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:1732
        • 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:2764
      • 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_9519399b5ad62da0d98f9917f002245e.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9519399b5ad62da0d98f9917f002245e.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2792
        • 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_9519399b5ad62da0d98f9917f002245e.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9519399b5ad62da0d98f9917f002245e.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2756
      • 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:2192
        • 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:2740
      • 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\wuauclt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\wuauclt.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2256
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\wuauclt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\wuauclt.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2712
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Roaming\wuauclt.exe
      "C:\Users\Admin\AppData\Roaming\wuauclt.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Users\Admin\AppData\Roaming\wuauclt.exe
        C:\Users\Admin\AppData\Roaming\wuauclt.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2636
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:2944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\wuauclt.exe

      Filesize

      288KB

      MD5

      9519399b5ad62da0d98f9917f002245e

      SHA1

      d8229357d6120066d5ee089408d98af78b3586d5

      SHA256

      0fa42aef5597e0d5ceaaf3dedca66a25ff6c5f1f4e4a190a5348e16c955a3cf9

      SHA512

      503fad1191c04acf17a904bba515cf7c513f96120aa36fade1a2ba7943d6bd7a3779ac8548dd078d054feeb9de61bf64f2cec600145d9d450bf39e51b8cc1eef

    • memory/2544-2-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2544-4-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2544-6-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2544-12-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2544-13-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2544-18-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2544-29-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2544-35-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2636-28-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/2724-31-0x00000000046F0000-0x00000000046F1000-memory.dmp

      Filesize

      4KB