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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 22:36

General

  • Target

    JaffaCakes118_61bf842e51dd44bb72721e568cc5fa4b.exe

  • Size

    499KB

  • MD5

    61bf842e51dd44bb72721e568cc5fa4b

  • SHA1

    b42fb742a84c584ee4c4396c67e44f865b17fde9

  • SHA256

    283fe1be8762813da3955af675f7f43a988c078f6e7b8b5cf2f41e90424253a3

  • SHA512

    e7c3d6525af11a2d9e0de761a3f1e2dd78737ac21b2fcf13f7153ee6bcbcdcadd41bf8df0bbbe3755b61a9f6bfb76bebbfa904f9f1ba6a9ee5404143d336ee6d

  • SSDEEP

    6144:hR5ti+H3g0jNvrXfMR07BjNvrXfMR07OwDSPWvVl/l7sS+Jy5vQ2QTuU3Wq:lhQ05rMAB5rMAOu2qr9oDJy5yTj3r

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 10 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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 17 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 11 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 35 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61bf842e51dd44bb72721e568cc5fa4b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61bf842e51dd44bb72721e568cc5fa4b.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:928
      • C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe
        C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:780
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:208
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1972
        • 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\WindowUpdater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1056
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1648
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1736
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3508
        • 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\WindowUpdater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WindowUpdater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5008
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\WindowUpdater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WindowUpdater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\WindowUpdater.exe

    Filesize

    243KB

    MD5

    4d66691b30b19d9c1369fd1e1b9d78e7

    SHA1

    10577222ba4e3b98837fd07f4c38d606937efb70

    SHA256

    09d0951e659ece22f0723d7c984f8caf31c78fcdf717cfd5b06234974a6264bd

    SHA512

    31d90876a0c038e0e5fa35856eecb39474ef781d77b24a3285efcc32c3dc7f4173d9484175c0cd1c5b9a2adc2e6a24da0bbf3bf1b538cfc9242d71d3c419c801

  • memory/780-14-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-19-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-18-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-25-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-27-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-29-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-30-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-31-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-33-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-34-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-35-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-37-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-38-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-39-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-40-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-42-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/780-43-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB