Analysis

  • max time kernel
    115s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 11:11

General

  • Target
    2026-06-04_0281e4a77a9cd05296e77b5e66cc8cbb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.2MB
  • Sample260604-m99weacz8s
  • SHA256 5d4be5ea1db74f6250fefa923b29d798992a5456f9b036366c891e0c72ee6477
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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\2026-06-04_0281e4a77a9cd05296e77b5e66cc8cbb_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_0281e4a77a9cd05296e77b5e66cc8cbb_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:3972
  • 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:1536

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.2MB
        • SHA256 5d4be5ea1db74f6250fefa923b29d798992a5456f9b036366c891e0c72ee6477
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 2.7MB
        • SHA256 4467c61e1067444b71b0828f755150821c6494022b410b1ed9af939f6eb0c3e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Installer\setup.exe$
        • Size 2.7MB
        • SHA256 e447956e7a72e889728e98322ffe75b96e4cd58c7d5dc3185104dff37e2104cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_proxy.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_proxy.exe$
        • Size 2.4MB
        • SHA256 550205d5d58191f51da3dfa376e452ff67807bf421003a6c897dee5726e84082
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.8MB
        • SHA256 68c160cb3349ad6b7ed1a0757b36844c6bf3d3665caf0680013086aeceac8904
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.3MB
        • SHA256 85147e3a030a7b52c5fcee2ec7610d0f758c8e220dc096e5584b563ceb8b7d8a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDriveStandaloneUpdater.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDriveStandaloneUpdater.exe$
        • Size 2.5MB
        • SHA256 6f167d8aef318ffec9285817b7bda5c25265cda3920188458d1d8084a0ee8c40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1536-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1536-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3972-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3972-70-0x0000000000400000-0x000000000040F000-memory.dmp