Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 09:12

General

  • Target
    2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe
  • Size 2.5MB
  • Sample260817-k6ak2axblf
  • SHA256 6d715f9cdc223a025881f11a02f6a8b35ddfd393404fd664c8a8aa3e698e3311
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 7 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 7 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.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:4596
    • \??\c:\users\admin\appdata\local\temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe 
      c:\users\admin\appdata\local\temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Users\Admin\AppData\Local\Temp\7zS4EC5A229\UnifiedStub-installer.exe
        .\UnifiedStub-installer.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5544
    • 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:3468
      • \??\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:4932
        • \??\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:1144
          • \??\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:4772
            • \??\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:5724

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe 
        • Size 2.4MB
        • SHA256 0ce9dace99f682ae9daf51b713a878f6f3d74f72db1204479d80a6be3fd9edf9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Newtonsoft.Json.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4EC5A229\Newtonsoft.Json.dll
        • Size 710KB
        • SHA256 8808224495e09189dbe483309e286b6b925587b3f60d256455656f40202082da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Reason.PAC.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4EC5A229\Reason.PAC.dll
        • Size 183KB
        • SHA256 8266fb6626cb3ad88b3cb7d5d5542a530b38230445af7ff76d102f8c49129b16
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UnifiedStub-installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4EC5A229\UnifiedStub-installer.exe
        • Size 1.5MB
        • SHA256 3ebc6b4ac2dba783b36da9b4aab8daf24505c94904284b21cb576199b84a1c14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rsLogger.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4EC5A229\rsLogger.dll
        • Size 187KB
        • SHA256 95c7fae603c2330a64524a22f4b5ecbe82b8cb9c11e4f1bc47ceda6c476e0dfe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rsStubLib.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7zS4EC5A229\rsStubLib.dll
        • Size 587KB
        • SHA256 bf4575db54326956ca0d1761dd3fa8a25ca414996f443f675b0ad5421c27a2ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 8639f30a29606327e9070ab8a4cdd49fb4c1e8bf350428e5de889206876521ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 035cc165d1eaca12351f301e78ff0da28869f25e0fe1687f0fe3a6c98184a933
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 7248dec82155579b0072366c920cbbd80dc5b10d04d558a8ec67196766d45dc1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 26631e3d621ae9f3c3cd3cbee44cc7fd06f8c7a38dbfb751d3a9bc598696db3e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1144-192-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1144-178-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3468-191-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3468-154-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4596-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4596-193-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4772-182-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4772-195-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4932-165-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4932-194-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5544-130-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-137-0x00000208FD0B0000-0x00000208FD0E0000-memory.dmp

        memory/5544-142-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-143-0x00000208FD420000-0x00000208FD428000-memory.dmp

        memory/5544-145-0x00000208FD430000-0x00000208FD43E000-memory.dmp

        memory/5544-144-0x00000208FE270000-0x00000208FE2AE000-memory.dmp

        memory/5544-146-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-147-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-140-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-139-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-138-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-141-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-135-0x00000208FD080000-0x00000208FD0A2000-memory.dmp

        memory/5544-134-0x00000208FD470000-0x00000208FD524000-memory.dmp

        memory/5544-133-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-131-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5544-123-0x00007FFC7DBEF000-0x00007FFC7DBF0000-memory.dmp

        memory/5544-129-0x00000208FC800000-0x00000208FC832000-memory.dmp

        memory/5544-127-0x00000208FD120000-0x00000208FD1B4000-memory.dmp

        memory/5544-124-0x00000208FAA00000-0x00000208FAB8A000-memory.dmp

        memory/5544-126-0x00007FFC7DA60000-0x00007FFC7E404000-memory.dmp

        memory/5724-190-0x0000000000400000-0x000000000041F000-memory.dmp