Analysis

  • max time kernel
    86s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/05/2026, 12:43

General

  • Target
    2026-05-29_c7a6a13bb9c821e22573bbc306b03e2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.0MB
  • Sample260529-pyachsby4x
  • SHA256 0017b0a103029924583571a6a57201334cf4889cb2b061128dc99a899be87e4f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 10 IoCs
  • ASPack v2.12-2.42 6 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
  • 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.

  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-29_c7a6a13bb9c821e22573bbc306b03e2b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-29_c7a6a13bb9c821e22573bbc306b03e2b_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:2172
  • 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:4500

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.0MB
        • SHA256 0017b0a103029924583571a6a57201334cf4889cb2b061128dc99a899be87e4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setup.exe$
        • Size 2.5MB
        • SHA256 c61a9080cababd18126a2856f30376376d5957c2f42ecf52049d3e617fa11443
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_pwa_launcher.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_pwa_launcher.exe$
        • Size 2.1MB
        • SHA256 49d280867946b8e72996a17af8e444e7f03ccd5fd29e436d49e378c828938025
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.5MB
        • SHA256 60128bafa86ea0fc79eb8ae02b4c0502691d991f315a45cef4b68b0afb058627
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_pwa_launcher.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
        • Size 2.1MB
        • SHA256 4210525d1df4921bbe81a9b15e9f74a8e24d4345ca22944e18de7ed3ef6f4160
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.0MB
        • SHA256 3d466a91cbd2a55527d4df1cef46c70970b889e8ac6a36e135cc9b3d8cf8cf42
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2172-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2172-58-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4500-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4500-71-0x0000000000400000-0x000000000040F000-memory.dmp