Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/09/2026, 17:22

General

  • Target
    2026-09-25_f2193806013f921b2b0116d71274a987_conti_elex_swisyn.exe
  • Size 252KB
  • Sample260925-vxtyessbjf
  • SHA256 8b057528b2c28b2680cb5da029c9ff24e178b009c4aa999aaeaeeb608c66dcba
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-25_f2193806013f921b2b0116d71274a987_conti_elex_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-25_f2193806013f921b2b0116d71274a987_conti_elex_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2364
    • \??\c:\users\admin\appdata\local\temp\2026-09-25_f2193806013f921b2b0116d71274a987_conti_elex_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-09-25_f2193806013f921b2b0116d71274a987_conti_elex_swisyn.exe 
      2⤵
      • Executes dropped EXE
      PID:1540
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2340
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4468
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4008
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4900
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:5044

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-09-25_f2193806013f921b2b0116d71274a987_conti_elex_swisyn.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-09-25_f2193806013f921b2b0116d71274a987_conti_elex_swisyn.exe 
        • Size 117KB
        • SHA256 bf592e696a2c3c68442a5f5fefd9b256cdf153683d0445fd4139bc2362b81d98
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 c9814f8475efabf69eb469f6d55bb69a51ce656b788fd2a113cece1791c49e8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 598b739b6d60c5630d2825648c830f18a7a8b76af731001d9a9ccba9ae8f8848
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 e85169616266f85d6369ad0051b58e0eafbdb5609ec9412f9719a92220fefc75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 dc0a1f613d101e150124f5ff784d20686f1eec5e8ce684172ece2bc837049fc6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2340-45-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2364-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2364-46-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4008-44-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4468-47-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4900-48-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5044-39-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5044-43-0x0000000000400000-0x000000000041F000-memory.dmp