Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 23:25

General

  • Target
    2026-07-27_5ad91e9586c317bba9064b83b4e45d07_elex_wannacry.exe
  • Size 28.6MB
  • Sample260727-3erpcat1ds
  • SHA256 fe993b1602a69df5b18e4da410b8e6a637dfb4e6a9497232ba1aaab75a1b9483
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 64 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • NSIS installer 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-27_5ad91e9586c317bba9064b83b4e45d07_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_5ad91e9586c317bba9064b83b4e45d07_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5392
    • C:\Users\Admin\AppData\Local\Temp\eidolon.exe
      "C:\Users\Admin\AppData\Local\Temp\eidolon.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:3316
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Windows\temp\tttdelzzz.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4868
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Windows\temp\tttbrozzz.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Users\Admin\AppData\Local\Temp\2026-07-27_5ad91e9586c317bba9064b83b4e45d07_elex_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-07-27_5ad91e9586c317bba9064b83b4e45d07_elex_wannacry.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4512
        • C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe
          "C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe" C:\Program Files\VideoLAN\VLC\plugins
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Program Files directory
          PID:1932
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32.exe /s "C:\Program Files\VideoLAN\VLC\axvlc.dll"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4244
          • C:\Windows\system32\regsvr32.exe
            /s "C:\Program Files\VideoLAN\VLC\axvlc.dll"
            5⤵
            • Modifies registry class
            PID:3880
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe" "C:\Program Files\VideoLAN\VLC\vlc.exe"
          4⤵
            PID:3396
        • C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
          "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5096
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c reg add HKEY_CURRENT_USER\Software\Microsoft\windows\currentVersion\run /v USBServers32 /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe" /f
            4⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3632
            • C:\Windows\SysWOW64\reg.exe
              reg add HKEY_CURRENT_USER\Software\Microsoft\windows\currentVersion\run /v USBServers32 /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe" /f
              5⤵
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              PID:4876
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5760
      • C:\Program Files\VideoLAN\VLC\vlc.exe
        "C:\Program Files\VideoLAN\VLC\vlc.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:4728
    • C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
      C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
      1⤵
      • Executes dropped EXE
      PID:5776

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          libgcc_s_seh-1.dll

          • Path C:\Program Files\VideoLAN\VLC\libgcc_s_seh-1.dll
          • Size 77KB
          • SHA256 2b80b6821c8b573f79e67239d426db5bcfea48612a1455adf2feb3b959386068
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libvlc.dll

          • Path C:\Program Files\VideoLAN\VLC\libvlc.dll
          • Size 140KB
          • SHA256 57f8e189b35e935247940620f5d48621bd297e5bcb46b514ea2c534c281b66fb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libvlccore.dll

          • Path C:\Program Files\VideoLAN\VLC\libvlccore.dll
          • Size 2.6MB
          • SHA256 1a3f412f5de5142e8be9150c29476f6096e5f8d974e876cceb151efa6cc9dd26
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vlc.mo

          • Path C:\Program Files\VideoLAN\VLC\locale\ko\LC_MESSAGES\vlc.mo
          • Size 619KB
          • SHA256 50e205e61fa0ea3752b70449f9c7743dc51d0a1516062026875d71e06137cba3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libaccess_bd_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_bd_plugin.dll
          • Size 108KB
          • SHA256 93cecf60e430548fa2a646ab6287359db853c49317a47df28676b578579f3245
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libaccess_mms_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_mms_plugin.dll
          • Size 80KB
          • SHA256 6848125cf2d124e6a1b9a9f5b928083c8ce973db20f652d395df93f900da0a31
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libaccess_realrtsp_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libaccess_realrtsp_plugin.dll
          • Size 111KB
          • SHA256 82dae720601021323b6bf49f93d25d9ce5940e4fd73e288a754a77ecdc023003
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libattachment_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libattachment_plugin.dll
          • Size 18KB
          • SHA256 554bbcc0eb104e04fc296ddadc96f781ab3f46254e0775246b9e832efa0e4949
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcdda_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libcdda_plugin.dll
          • Size 180KB
          • SHA256 39b20e3e523afd1118f6e5765414dc396e9985ce194ac6a616d2af4e72aebd92
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libdshow_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libdshow_plugin.dll
          • Size 604KB
          • SHA256 7dfea6bdb73ce7b2ee14677405d34db58ab62dcb449130762829f99c14d5ede5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libdtv_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libdtv_plugin.dll
          • Size 305KB
          • SHA256 505031b3ac770317da9b77330bd91d0fbfeacb5bcec205f8e6f5ee180afde9e3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libdvdnav_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libdvdnav_plugin.dll
          • Size 253KB
          • SHA256 326dfa76141e5b2f10f167be78e64a6991d01cf72879bbad07510489af36d951
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libdvdread_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libdvdread_plugin.dll
          • Size 169KB
          • SHA256 766ee5f94753cebbaf946802fbb879901f5051fba4357da6a510b2baa440dd16
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libfilesystem_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libfilesystem_plugin.dll
          • Size 50KB
          • SHA256 171687e3895b0c1d719095333458f4d2a63f7a9a059edd9339a74cf0e552afa2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libftp_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libftp_plugin.dll
          • Size 91KB
          • SHA256 2e8886faabac330f1e461b991695e7daba3aed77e6d6fd4ffe277448616357bc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libhttp_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libhttp_plugin.dll
          • Size 124KB
          • SHA256 fa2fda370623398e32e9dd869267fd6f33ee27fb3661f037ea550b85a160f08e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libidummy_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libidummy_plugin.dll
          • Size 18KB
          • SHA256 7cec265ccdb1ee2ef5daca38e75227d9761b7f6d6eba63ac896c86ad902ad4ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libimem_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libimem_plugin.dll
          • Size 50KB
          • SHA256 9c3e68ced0251a22d432078c4730deba5dc0876303146c12fc6db3461ccae38c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          liblibbluray_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\liblibbluray_plugin.dll
          • Size 2.4MB
          • SHA256 3178466b6b4d4a2d005b5d29db53b376fbf8cf7f53684c5b7e1ceb8fc5bc4854
          • MD5 SHA1 SHA512 SSDEEP TLSH

          liblive555_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\liblive555_plugin.dll
          • Size 784KB
          • SHA256 c5ca4ff67a155ea6f39b94fd154c2f252d5c59b0fd19396dc29e197978c6b4e6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          librar_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\librar_plugin.dll
          • Size 46KB
          • SHA256 efb9c28f3d37038832c4cc0132555aaa99909a732b95526a310e97cd169af1e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          librtp_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\librtp_plugin.dll
          • Size 600KB
          • SHA256 fd95f1e6472404411988352b13714efce14dbd3a262ab38ee1f5e7fd1048f9d6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libscreen_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libscreen_plugin.dll
          • Size 25KB
          • SHA256 de57cb91b91be03439adb5497c8eaba9e16d47062f812a79140155d4d978cdcd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libsdp_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libsdp_plugin.dll
          • Size 17KB
          • SHA256 715b6549021fb37fbd4e6931e9c5738f6cca5864598ffa85658bbe4b76ab407a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libsftp_plugin.dll

          • Path C:\Program Files\VideoLAN\VLC\plugins\access\libsftp_plugin.dll
          • Size 820KB
          • SHA256 f0c116153f87a0e82d0fb063b1f6968b768dee70e670939398cc64d2aa426a0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          plugins.dat

          • Path C:\Program Files\VideoLAN\VLC\plugins\plugins.dat
          • Size 258KB
          • SHA256 6f06604595a0a79485099cd490ba439b2ed40f24647406e0ec02965212d18f3f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          uninstall.log

          • Path C:\Program Files\VideoLAN\VLC\uninstall.log
          • Size 48KB
          • SHA256 a96329fa441b9c6f27ceaa2974617c9c754d3453750ce2ea311eddf21a65c2dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vlc-cache-gen.exe

          • Path C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe
          • Size 118KB
          • SHA256 067f56e9dd1e5143e704e2dcc59fb2fe8f451d6bbb70ba3678729c7b4bb11e4c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vlc.exe

          • Path C:\Program Files\VideoLAN\VLC\vlc.exe
          • Size 130KB
          • SHA256 a3a005ce6123239ca6e9394dfa2358ef4d83570343af4acca810b3621c652a2a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          eidolon.exe

          • Path C:\Users\Admin\AppData\Local\Temp\eidolon.exe
          • Size 24KB
          • SHA256 a1bf9bc23f97fee5a83ddcb3ba4d8fbbcc70fb2d871b325261be0ded72196fe9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LangDLL.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3783.tmp\LangDLL.dll
          • Size 7KB
          • SHA256 32487e83679c88f63f35a9989e58ef3a3084bd70b6ebe76cda459c92ebf2c066
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3783.tmp\System.dll
          • Size 24KB
          • SHA256 4263984428f49792f359b91d5eee19b6d248340204051dd14af9a73710967dc7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UAC.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3783.tmp\UAC.dll
          • Size 36KB
          • SHA256 f99da3948f9990b996479f4b3b275cdb3e159c91df2d61ca175138cddbadf5fa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsDialogs.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3783.tmp\nsDialogs.dll
          • Size 11KB
          • SHA256 5046e22eb8110ad0f04b4c81b30a52d6ca126473ef7ad8ba00a72efbc4f84f7f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3783.tmp\nsExec.dll
          • Size 9KB
          • SHA256 15d5c4e6a8bff08cd6574ad80b924fdd4d8cbeac6029298604dfee94779ba3d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsProcess.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsv3783.tmp\nsProcess.dll
          • Size 16KB
          • SHA256 bd4c8778bbb45b7d53f0cda49b56d249f38ad49d164405a2d502aad596e5274b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tttbrozzz.bat

          • Path C:\Windows\Temp\tttbrozzz.bat
          • Size 598B
          • SHA256 31375aea149e10cebc8340f199fbf6c43a5de2eb706e29e26a42a5f0bd1d5424
          • MD5 SHA1 SHA512 TLSH

          tttdelzzz.bat

          • Path C:\Windows\Temp\tttdelzzz.bat
          • Size 313B
          • SHA256 548bd5f4519d0be7bcb5e1a4cfc894ed7607a462e8c5ff2a9f6deae076fcf45b
          • MD5 SHA1 SHA512 TLSH

          Server32History.dat

          • Path C:\Windows\temp\Server32History.dat
          • Size 28.5MB
          • SHA256 13a4f65bea768d4274eb30079f761f5ea64ac607dcd3a877aaf0d5a3fddbe68b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1932-763-0x0000000064E10000-0x00000000659D5000-memory.dmp

          memory/1932-762-0x0000000061440000-0x000000006145C000-memory.dmp

          memory/1932-764-0x0000000064C90000-0x0000000064E04000-memory.dmp

          memory/1932-761-0x0000000065AD0000-0x0000000065D7C000-memory.dmp

          memory/1932-759-0x0000000000400000-0x0000000000427000-memory.dmp

          memory/1932-760-0x0000000065D80000-0x0000000065DAD000-memory.dmp

          memory/4512-380-0x000000006E5C0000-0x000000006E5CD000-memory.dmp

          memory/4512-49-0x000000006E5C0000-0x000000006E5CD000-memory.dmp

          memory/4512-374-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/4512-50-0x000000006EB40000-0x000000006EB4A000-memory.dmp

          memory/4512-382-0x000000006EB40000-0x000000006EB4A000-memory.dmp

          memory/4512-48-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/4512-796-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/4512-798-0x000000006EB40000-0x000000006EB4A000-memory.dmp

          memory/4512-797-0x000000006E5C0000-0x000000006E5CD000-memory.dmp

          memory/4512-809-0x0000000000400000-0x000000000046D000-memory.dmp

          memory/4728-812-0x0000000000400000-0x000000000042A000-memory.dmp

          memory/4728-817-0x0000000065A00000-0x0000000065A14000-memory.dmp

          memory/4728-822-0x0000000065960000-0x0000000065976000-memory.dmp

          memory/4728-814-0x0000000065AD0000-0x0000000065D7C000-memory.dmp

          memory/4728-824-0x0000000064D30000-0x0000000064D8C000-memory.dmp

          memory/4728-821-0x0000000065980000-0x000000006599A000-memory.dmp

          memory/4728-819-0x00000000659C0000-0x00000000659DF000-memory.dmp

          memory/4728-820-0x00000000659A0000-0x00000000659BD000-memory.dmp

          memory/4728-818-0x00000000659E0000-0x00000000659F3000-memory.dmp

          memory/4728-816-0x0000000061440000-0x000000006145C000-memory.dmp

          memory/4728-815-0x0000000065A20000-0x0000000065AC2000-memory.dmp

          memory/4728-813-0x0000000065D80000-0x0000000065DAD000-memory.dmp

          memory/4728-823-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-836-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-849-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-862-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-875-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-888-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-901-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-914-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-927-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-940-0x0000000064D90000-0x0000000065955000-memory.dmp

          memory/4728-953-0x0000000064D90000-0x0000000065955000-memory.dmp