Analysis

  • max time kernel
    83s
  • max time network
    121s
  • 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, 20:21

General

  • Target
    2026-07-07_7f472f05320d285ca374c4add19689c7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.6MB
  • Sample260707-y417vset6j
  • SHA256 510ba4e77eba9d10ce115b8ceb005e66a127676b6acb6d24d7cd695ba2f50a92
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 8 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.

  • 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 64 IoCs
  • Suspicious use of FindShellTrayWindow 51 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\2026-07-07_7f472f05320d285ca374c4add19689c7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-07_7f472f05320d285ca374c4add19689c7_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:3392
  • 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:3560
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4948
    • 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:4500
  • 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:3516
  • 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:5276

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.6MB
        • SHA256 510ba4e77eba9d10ce115b8ceb005e66a127676b6acb6d24d7cd695ba2f50a92
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.1MB
        • SHA256 25654977e71291deffcdd9e999f3e4bc45eef8525e185cb6531fb6830d449097
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe$
        • Size 2.6MB
        • SHA256 ba364ad6549f7f6c8b020c09417926a097a97120aa06161c157b0d2ffbedc937
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jdeps.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jdeps.exe
        • Size 2.6MB
        • SHA256 a01edff256590ec1eb4d10066b42a6b117aa0a58d60b7da274c89496ec218782
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jdeps.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\jdeps.exe$
        • Size 2.6MB
        • SHA256 1f928846f9048236b96e9c9eaa39eb55d123cdedc4ba0d99430567938f6e2584
        • 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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH

        memory/3392-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3392-1705-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3516-997-0x0000028880700000-0x00000288809BC000-memory.dmp

        memory/3516-2371-0x0000028880700000-0x00000288809BC000-memory.dmp

        memory/3560-1910-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/5276-632-0x000001E62CEB0000-0x000001E62CFB0000-memory.dmp

        memory/5276-634-0x000001E62CEB0000-0x000001E62CFB0000-memory.dmp

        memory/5276-633-0x000001E62CEB0000-0x000001E62CFB0000-memory.dmp

        memory/5276-640-0x000001E603700000-0x000001E603720000-memory.dmp

        memory/5276-641-0x000001E613B50000-0x000001E613C50000-memory.dmp

        memory/5276-666-0x000001E613E90000-0x000001E613EB0000-memory.dmp

        memory/5276-646-0x000001E603950000-0x000001E603970000-memory.dmp