Analysis

  • max time kernel
    96s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 16:26

General

  • Target
    2026-07-02_d2c7ffed0147abeb17bb08f1ab2e7f9c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.4MB
  • Sample260702-txr86aex7j
  • SHA256 4aee12ad02287be14ba768f68315ab53c8cb621c46617d19f2497c87315a50ee
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 IoCs
  • 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.

  • ASPack v2.12-2.42 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

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

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 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 38 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-02_d2c7ffed0147abeb17bb08f1ab2e7f9c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_d2c7ffed0147abeb17bb08f1ab2e7f9c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:2320
  • C:\905c0769f9a06c95a24ddf945\patcher.exe
    C:\905c0769f9a06c95a24ddf945\patcher.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:1748
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2556
    • 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:796
  • 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:4376
  • 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:5804
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3844

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          patcher.exe

          • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
          • Size 1.4MB
          • SHA256 4aee12ad02287be14ba768f68315ab53c8cb621c46617d19f2497c87315a50ee
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7z.exe$

          • Path C:\Program Files\7-Zip\7z.exe$
          • Size 1.9MB
          • SHA256 3de656ba7a0726633aeaf60fb70c121692a176e49ce63e6d82f0e2e89f0d0209
          • MD5 SHA1 SHA512 SSDEEP TLSH

          servertool.exe

          • Path C:\Program Files\Java\jre-1.8\bin\servertool.exe
          • Size 1.4MB
          • SHA256 e141e5b72520257c8a2235a4d57d9883cc48088ac3b0235cf9ccad048d9a60ed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MicrosoftWindows.DesktopStickerEditorCentennial.exe$

          • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftWindows.DesktopStickerEditorCentennial.exe$
          • Size 1.6MB
          • SHA256 b994d20aee388845660cdcaae08260f78b09f5a041ab6a441c23c0d5c9fc9589
          • 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/796-1329-0x000000000DCF0000-0x000000000DD9E000-memory.dmp

          memory/1748-52-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/2320-39-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/2320-0-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/4376-928-0x0000025B001E0000-0x0000025B002E0000-memory.dmp

          memory/4376-943-0x0000025B03E40000-0x0000025B03F40000-memory.dmp

          memory/4376-956-0x0000025B03E00000-0x0000025B03E20000-memory.dmp

          memory/4376-958-0x0000025B03900000-0x0000025B03920000-memory.dmp

          memory/4376-940-0x0000025B03920000-0x0000025B03940000-memory.dmp

          memory/4376-972-0x0000025B043C0000-0x0000025B043E0000-memory.dmp