Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 05:11

General

  • Target
    2026-07-06_1789bc4cdd21427b4bf61d6c5e2c1e27_elex_wannacry.exe
  • Size 10.4MB
  • Sample260707-ft9gdaav2v
  • SHA256 fa360590ed65f40f719fcf75383b4b3fde5d0ac571f285cd99d620a4842d9fb3
  • 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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • 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 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-06_1789bc4cdd21427b4bf61d6c5e2c1e27_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_1789bc4cdd21427b4bf61d6c5e2c1e27_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe
      1
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5024
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1980
    • 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:3708
  • 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:5556
  • 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:2336

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        lsass.exe

        • Path C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe
        • Size 23.3MB
        • SHA256 b1d89dc7ea52a69d48d52024aa0d63ba9a6569df67cdf40e8296c76203575f50
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTemp_1

        • Path C:\SystemTemp_1
        • Size 95B
        • SHA256 df7fd154c724af58bcff1b08b3ca8ab045f3ca228e2d106e3c4f28559162ef54
        • MD5 SHA1 SHA512 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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH

        memory/2336-195-0x000001E12C800000-0x000001E12CA9E000-memory.dmp

        memory/5556-9-0x000002EE801E0000-0x000002EE802E0000-memory.dmp

        memory/5556-74-0x000002EE94280000-0x000002EE942A0000-memory.dmp

        memory/5556-41-0x000002EE81F00000-0x000002EE82000000-memory.dmp

        memory/5556-60-0x000002EE81D00000-0x000002EE81D20000-memory.dmp

        memory/5556-39-0x000002EE81AA0000-0x000002EE81AC0000-memory.dmp

        memory/5556-194-0x000002EE97B90000-0x000002EE97E2E000-memory.dmp