Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 01:45

General

  • Target
    2026-07-01_af37f4c4c80adce9240a0289cb11f499_elex_wannacry.exe
  • Size 38KB
  • Sample260701-b6s8psb18m
  • SHA256 8535e254dc051da841b0abc5d418ca851d46a58802e3517cfde15983e8d78b4d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-01_af37f4c4c80adce9240a0289cb11f499_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_af37f4c4c80adce9240a0289cb11f499_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe
      "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe" -r
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3480
      • C:\Windows\system32\pcaui.exe
        "C:\Windows\system32\pcaui.exe" -g {11111111-1111-1111-1111-111111111111} -x {43edc3a4-e400-4e09-bc67-4e0730eb5590} -a "VMware Workstation Pro" -v "VMware, Inc." -s "This app can't run because it causes security or performance issues on Windows. A new version may be available. Check with your software provider for an updated version that runs on this version of Windows." -n 1 -f 2109246 -k 0 -e "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe"
        3⤵
          PID:1664
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 2&del "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe"&ping 127.0.0.1 -n 2&rename "C:\Users\Admin\AppData\Local\Mozilla\00001D6B" vmplayer.exe&ping 127.0.0.1 -n 2&"C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe" \r
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:2112
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 2
            4⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:6104
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 2
            4⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:5092
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 2
            4⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:2104
          • C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe
            "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe" \r
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3412
            • C:\Windows\system32\pcaui.exe
              "C:\Windows\system32\pcaui.exe" -g {11111111-1111-1111-1111-111111111111} -x {43edc3a4-e400-4e09-bc67-4e0730eb5590} -a "VMware Workstation Pro" -v "VMware, Inc." -s "This app can't run because it causes security or performance issues on Windows. A new version may be available. Check with your software provider for an updated version that runs on this version of Windows." -n 1 -f 2109246 -k 0 -e "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe"
              5⤵
                PID:1992
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5496
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:2476
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:5160
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:3748

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            00001D6B

            • Path C:\Users\Admin\AppData\Local\Mozilla\00001D6B
            • Size 38KB
            • SHA256 8e7d19579fb560694cc499b1670e33f6cdc74e292033d9b8cd37a830347f4c77
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vmplayer.exe

            • Path C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe
            • Size 38KB
            • SHA256 8535e254dc051da841b0abc5d418ca851d46a58802e3517cfde15983e8d78b4d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prep_Activatable Class_Hermes_perf.cache

            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 607B
            • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • MD5 SHA1 SHA512 TLSH

            memory/5160-13-0x0000015C21360000-0x0000015C21460000-memory.dmp

            memory/5160-59-0x0000015C13340000-0x0000015C13360000-memory.dmp

            memory/5160-29-0x0000015C00E60000-0x0000015C00E80000-memory.dmp

            memory/5160-18-0x0000015C00B20000-0x0000015C00B40000-memory.dmp

            memory/5160-19-0x0000015C03000000-0x0000015C03100000-memory.dmp

            memory/5160-15-0x0000015C21360000-0x0000015C21460000-memory.dmp

            memory/5160-14-0x0000015C21360000-0x0000015C21460000-memory.dmp