Analysis

  • max time kernel
    116s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/05/2026, 19:02

General

  • Target
    2026-05-19_811e01b91e7fcd92066b33fe9387dc5e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.5MB
  • Sample260519-xpxepadx5q
  • SHA256 38a7bd69172c8f045e5ffc5024fc5acc09f93b5aba02e3a49aa337a6832d666b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 11 IoCs
  • ASPack v2.12-2.42 7 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\2026-05-19_811e01b91e7fcd92066b33fe9387dc5e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_811e01b91e7fcd92066b33fe9387dc5e_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:2960
  • 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:2452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.5MB
        • SHA256 38a7bd69172c8f045e5ffc5024fc5acc09f93b5aba02e3a49aa337a6832d666b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.2MB
        • SHA256 881d575a02e540d01fc0212a11ec31a5cf27dc9515d49b13f2253aa61b0147dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DisabledGoogleUpdate.exe$

        • Path C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe$
        • Size 2.0MB
        • SHA256 fb9cdca6aa80fad744965ec4b189cfa65cf7286c3379d7acda8eb1046ed13f7b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedgewebview2.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe
        • Size 1.6MB
        • SHA256 25716e7ef570d3cd8285c9468721863a4c492eba8663cf6ba5509aac9f67df16
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.0MB
        • SHA256 6eb873f14b6d0d15f8db1aa74251804e7479a1546db559a22f6741c97d8e0dbc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe
        • Size 1.6MB
        • SHA256 e48c7ef1f49679cef39a4934cd58a61b1b06922e57537e2dcf6cfc7e7613cb65
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\python.exe$
        • Size 1.7MB
        • SHA256 145f441b99e78df90d4665f88bb0f3d20d12a1c53d1c1cb31f1419b12262583f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2452-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2452-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2960-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2960-58-0x0000000000400000-0x000000000040F000-memory.dmp