Analysis

  • max time kernel
    80s
  • max time network
    146s
  • 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, 10:37

General

  • Target
    2026-07-01_1433e85ac77729c91d3a8e223b2e5717_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.2MB
  • Sample260701-mntbjad13y
  • SHA256 6151ed52225fbb282517c7f1245564ee810c8b5a71d7bbdabb519ddc1afda8df
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 6 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 3 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 28 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\2026-07-01_1433e85ac77729c91d3a8e223b2e5717_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_1433e85ac77729c91d3a8e223b2e5717_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:2708
  • 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:3392
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2752
    • 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:1220
  • 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:1456
  • 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:936

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.2MB
        • SHA256 6151ed52225fbb282517c7f1245564ee810c8b5a71d7bbdabb519ddc1afda8df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.8MB
        • SHA256 88010e3fa40506292593a3966c3f4c366b41a377b423f2d611078d985b4fe5db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jmap.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jmap.exe
        • Size 2.3MB
        • SHA256 16f4e7d2543a30071e0dde2ade57202ee59d3699215dc70c91021a86f574430c
        • 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/936-474-0x000002E482EE0000-0x000002E482FE0000-memory.dmp

        memory/936-457-0x000002E4801E0000-0x000002E4802E0000-memory.dmp

        memory/936-459-0x000002E4801E0000-0x000002E4802E0000-memory.dmp

        memory/936-483-0x000002E482B90000-0x000002E482BB0000-memory.dmp

        memory/936-458-0x000002E4801E0000-0x000002E4802E0000-memory.dmp

        memory/936-509-0x000002E4941F0000-0x000002E494210000-memory.dmp

        memory/936-472-0x000002E482930000-0x000002E482950000-memory.dmp

        memory/1456-839-0x000001E7993C0000-0x000001E799A51000-memory.dmp

        memory/2708-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2708-21-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3392-22-0x0000000000400000-0x000000000040F000-memory.dmp