Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2025, 17:32

General

  • Target

    JaffaCakes118_3a785b75b99a7f68266de756a0b8d771.exe

  • Size

    609KB

  • MD5

    3a785b75b99a7f68266de756a0b8d771

  • SHA1

    685efde599af03ed0ba53c7b8cd2b2119a411309

  • SHA256

    f0ad703d49f6b8fa60938222cb111f58e4cc1534856740f8ad47f872894a2f01

  • SHA512

    4fa742d8361f1043f4dd02598e41d261164b0b673ddbe694d141e7393f16d35673236fc491854b3268b75a58d0671af124e15eb21b69c9e429f52a41ef4ea064

  • SSDEEP

    12288:JMWvgfOETm9LNAF+L+ci1TJd3H4qa+Kn39fWma68I+f55kIIpi:JMW8IL+ci1Vd3H4n39fr+f55kIIp

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 10 IoCs
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 class 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a785b75b99a7f68266de756a0b8d771.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a785b75b99a7f68266de756a0b8d771.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:996
      • 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:436
        • 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:3608
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4580
      • 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:1592
        • 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:396
      • 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\ToolbarUpdater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ToolbarUpdater.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\ToolbarUpdater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ToolbarUpdater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2928
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\MyFolder\tmp6.vbs" 0
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/996-18-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-19-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-27-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-3-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-5-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-26-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-25-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-23-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-22-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/996-21-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/5112-13-0x0000000074F20000-0x00000000754D1000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-0-0x0000000074F22000-0x0000000074F23000-memory.dmp

    Filesize

    4KB

  • memory/5112-12-0x0000000074F20000-0x00000000754D1000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-1-0x0000000074F20000-0x00000000754D1000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-11-0x0000000074F22000-0x0000000074F23000-memory.dmp

    Filesize

    4KB

  • memory/5112-2-0x0000000074F20000-0x00000000754D1000-memory.dmp

    Filesize

    5.7MB