Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/10/2026, 03:35

General

  • Target
    jaffacakes118_Trojan.MSIL.Crypt.jc.exe
  • Size 496KB
  • Sample261016-d5dsqsfe26
  • SHA256 ed0c4139a2a96188d2701f0d968de74e11c18aa238d82dd8fadc5631a0630af2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades payload 2 IoCs
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 14 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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.jc.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.jc.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.jc.exe
      jaffacakes118_Trojan.MSIL.Crypt.jc.exe
      2⤵
        PID:3916
      • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.jc.exe
        jaffacakes118_Trojan.MSIL.Crypt.jc.exe
        2⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4160
        • 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⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3612
          • 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:2548
        • 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_Trojan.MSIL.Crypt.jc.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.jc.exe:*:Enabled:Windows Messanger" /f
          3⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4948
          • 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_Trojan.MSIL.Crypt.jc.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.MSIL.Crypt.jc.exe:*:Enabled:Windows Messanger" /f
            4⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:5440
        • 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⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1332
          • 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:4044
        • 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\Predator.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Predator.exe:*:Enabled:Windows Messanger" /f
          3⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2212
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Predator.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Predator.exe:*:Enabled:Windows Messanger" /f
            4⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2344
      • C:\Windows\SysWOW64\cmd.exe
        "cmd"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:4832
      • C:\Windows\SysWOW64\cmd.exe
        "cmd"
        2⤵
        • Subvert Trust Controls: Mark-of-the-Web Bypass
        • System Location Discovery: System Language Discovery
        • NTFS ADS
        PID:3104
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\rundll.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\rundll.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4616
      • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\rundll.exe
        rundll.exe
        2⤵
          PID:4628
        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\rundll.exe
          rundll.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1824

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            rundll.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\rundll.exe
            • Size 496KB
            • SHA256 ed0c4139a2a96188d2701f0d968de74e11c18aa238d82dd8fadc5631a0630af2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            data.dat

            • Path C:\Users\Admin\AppData\Roaming\data.dat
            • Size 34B
            • SHA256 939afe285f4a078177bd056dcd1163f01a60822e6d7f3922ad3d9414a343e1bf
            • MD5 SHA1 SHA512

            memory/3384-0-0x00000000016F0000-0x0000000001700000-memory.dmp

            memory/3384-1-0x0000000074B42000-0x0000000074B44000-memory.dmp

            memory/4160-3-0x0000000000400000-0x0000000000470000-memory.dmp

            memory/4160-4-0x0000000000400000-0x0000000000470000-memory.dmp