Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 15:12

General

  • Target
    2026-10-22_4267baebad7adea79221d120262630f8_elex_swisyn_wannacry.exe
  • Size 5.9MB
  • Sample261024-slmc4afb79
  • SHA256 5652617aaf4a1bb493a9f87715533c05c968e62a2fa4ade200d23da072bd0ddc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 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 10 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-22_4267baebad7adea79221d120262630f8_elex_swisyn_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_4267baebad7adea79221d120262630f8_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:5884
    • \??\c:\users\admin\appdata\local\temp\2026-10-22_4267baebad7adea79221d120262630f8_elex_swisyn_wannacry.exe 
      c:\users\admin\appdata\local\temp\2026-10-22_4267baebad7adea79221d120262630f8_elex_swisyn_wannacry.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Users\Admin\AppData\Local\Temp\7z934A8F88\nemu-downloader.exe
        C:\Users\Admin\AppData\Local\Temp\7z934A8F88\nemu-downloader.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Enumerates connected drives
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Users\Admin\AppData\Local\Temp\7z934A8F88\crashpad_handler.exe
          C:\Users\Admin\AppData\Local\Temp\7z934A8F88\crashpad_handler.exe --no-rate-limit --database=C:\Users\Admin\AppData\Local\NemuServer\.sentry-native --metrics-dir=C:\Users\Admin\AppData\Local\NemuServer\.sentry-native --url=https://sentry.netease.com:443/api/325/minidump/?sentry_client=sentry.native/0.5.0&sentry_key=d7282c50f1b64296835edf7d19667322 --attachment=C:\Users\Admin\AppData\Local\NemuServer\.sentry-native\dc75b2bc-a7a7-4358-fd78-fb1359f67733.run\__sentry-event --attachment=C:\Users\Admin\AppData\Local\NemuServer\.sentry-native\dc75b2bc-a7a7-4358-fd78-fb1359f67733.run\__sentry-breadcrumb1 --attachment=C:\Users\Admin\AppData\Local\NemuServer\.sentry-native\dc75b2bc-a7a7-4358-fd78-fb1359f67733.run\__sentry-breadcrumb2 --initial-client-data=0x39c,0x3a0,0x3a4,0x378,0x3a8,0x748e4800,0x748e4818,0x748e4828
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4284
        • C:\Users\Admin\AppData\Local\Temp\7z934A8F88\ColaBoxChecker.exe
          "C:\Users\Admin\AppData\Local\Temp\7z934A8F88\ColaBoxChecker.exe" checker /baseboard
          4⤵
          • Executes dropped EXE
          • Reads the TCP/IP host and domain name from the registry
          • System Location Discovery: System Language Discovery
          PID:2884
        • C:\Users\Admin\AppData\Local\Temp\7z934A8F88\HyperVChecker.exe
          "C:\Users\Admin\AppData\Local\Temp\7z934A8F88\HyperVChecker.exe"
          4⤵
          • Executes dropped EXE
          PID:4936
        • C:\Users\Admin\AppData\Local\Temp\7z934A8F88\HyperVChecker.exe
          "C:\Users\Admin\AppData\Local\Temp\7z934A8F88\HyperVChecker.exe"
          4⤵
          • Executes dropped EXE
          PID:2960
        • C:\Users\Admin\AppData\Local\Temp\7z934A8F88\HyperVChecker.exe
          "C:\Users\Admin\AppData\Local\Temp\7z934A8F88\HyperVChecker.exe"
          4⤵
          • Executes dropped EXE
          PID:1960
    • 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:1596
      • \??\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:2132
        • \??\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:4280
          • \??\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:1968
            • \??\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:5904

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-10-22_4267baebad7adea79221d120262630f8_elex_swisyn_wannacry.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-10-22_4267baebad7adea79221d120262630f8_elex_swisyn_wannacry.exe 
        • Size 5.8MB
        • SHA256 5031bc98e08029a0593319445f8f47416e34033207668bc19ea1f5b5908f331a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ColaBoxChecker.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\ColaBoxChecker.exe
        • Size 4.0MB
        • SHA256 65aa91ee18b46603a5543fdd398d6331a9f77eb8a16a6933f2fe576fc62d6941
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HyperVChecker.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\HyperVChecker.exe
        • Size 118KB
        • SHA256 d545ed2dfc015f965d35dc4950fe773cb94103a685d3c25c4b44fcb466a85662
        • MD5 SHA1 SHA512 SSDEEP TLSH

        baseboard

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\baseboard
        • Size 66B
        • SHA256 19592abcb417213c5dbfb6b632652cbc154084c3233cbd3b157f6f2e592b115c
        • MD5 SHA1 SHA512 TLSH

        baseboard

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\baseboard
        • Size 114B
        • SHA256 fe9b79db238a5d965f27b27aaa0b9644e45745be3a207bf433cc3e513189890a
        • MD5 SHA1 SHA512 TLSH

        config.ini

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\config.ini
        • Size 346B
        • SHA256 d2de6d14503fee031f5452a5b30ba67b1a5b82897c274450fb93ada5c7698c0e
        • MD5 SHA1 SHA512 TLSH

        crashpad_handler.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\crashpad_handler.exe
        • Size 542KB
        • SHA256 9769c585019a1a19d96dc0f378bd90240015a54ba77288b2efc995f791a49bc0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcp140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\msvcp140.dll
        • Size 427KB
        • SHA256 8acd9e63a83f2facfc68b801f864f923eac5fb8c8a046a32fef8d622ba7d407f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nemu-downloader.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\nemu-downloader.exe
        • Size 3.5MB
        • SHA256 1a155769da623d402e66ef58216b943695f60bb60f3b753de0b3710145543f85
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sentry.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\sentry.dll
        • Size 223KB
        • SHA256 2e108ccbbd47997978512835013d06500bef5575f29cb937f623d30596662819
        • MD5 SHA1 SHA512 SSDEEP TLSH

        skin.zip

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\skin.zip
        • Size 398KB
        • SHA256 aa40840b724a3c1e1d2d567b7b03b077bbd813268224273511826c5bd4454c10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcruntime140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\7z934A8F88\vcruntime140.dll
        • Size 75KB
        • SHA256 526d8774c67248aa62a5911acd7db667cc4bed5be2cd5dc139c6c4d5dfb9d57e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 a3eb384377b18cfc4fb3b4e4ace2f61c2ed564a0fd8f50eb9032e8f1a4d3c367
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 b3f2db504a1b108e20e85d5233b417846a67a888d5fe2505241a0f4e09281038
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 57b6a51f4c0a08f20398effc7fbb665527ad81c61c8bfdd8464f57bac8b4c36f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 b1c941f9a4b6b521501e61c55ea0ccc5a038b3243cf15deb6702707043b7a1bd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1596-207-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1968-210-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2132-180-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2132-209-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4280-206-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5884-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5884-208-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5904-205-0x0000000000400000-0x000000000041F000-memory.dmp