Analysis

  • max time kernel
    111s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 16:49

General

  • Target
    2026-05-22_9fe2a3d8bc7c6856897486839233a1d7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.1MB
  • Sample260522-vb7mdscz8y
  • SHA256 f457214b016517d3fb47b8c3f34c474d3939f0f712451642606927986ed94805
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 13 IoCs
  • ASPack v2.12-2.42 9 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\2026-05-22_9fe2a3d8bc7c6856897486839233a1d7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_9fe2a3d8bc7c6856897486839233a1d7_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:1956
  • 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:3224

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.1MB
        • SHA256 f457214b016517d3fb47b8c3f34c474d3939f0f712451642606927986ed94805
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 1.9MB
        • SHA256 c37edc5c3016e026e5d351d02397e09489fce0cd4ad55fed97a04407aece8db3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
        • Size 1.2MB
        • SHA256 5bd875171d4dea955115f41d70d516c3833f541bbeb968ebc6256dccf50e7108
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 1.6MB
        • SHA256 dc08740e31d85185e9f717728f468cb26e7f345d50dd4a3bf8e49a75c6655961
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        • Size 1.3MB
        • SHA256 0c5525959213e692dc1685d1944f5ad671786c0ebe2f2f31136099369f5895b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.7MB
        • SHA256 babfd9e9eaab88e412a50c57163100773124e44ea278b9a13f318ba9d004a94b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        crashreporter.exe$

        • Path C:\Program Files\Mozilla Firefox\crashreporter.exe$
        • Size 1.2MB
        • SHA256 ff01e0f022e2045fdde627dcc30d8ff4be55d3261a0a9067e6a1a3ebcafbe6de
        • MD5 SHA1 SHA512 SSDEEP TLSH

        integrator.exe$

        • Path C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe$
        • Size 1.6MB
        • SHA256 9f78b2d30fdfd1198d71f1c9affaaeca4d72d37dc3909e226db05c292a9fdafa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 1.4MB
        • SHA256 6322dd5b7bc5d80bf64cc4c60d1e67360845cc03789003d70e6f803b1bdf0584
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1956-64-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1956-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3224-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3224-7-0x0000000000400000-0x000000000040F000-memory.dmp