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
    19/05/2026, 15:47

General

  • Target
    2026-05-19_8e5f2fccd4b4cf764e7e8191037d32b4_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.6MB
  • Sample260519-s8a9caaz4q
  • SHA256 1a2388f0d02605634bc0fae931db648753fbb8b145f4249f142a54a85e52071c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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\2026-05-19_8e5f2fccd4b4cf764e7e8191037d32b4_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_8e5f2fccd4b4cf764e7e8191037d32b4_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:2756
  • 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:4900

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.6MB
        • SHA256 1a2388f0d02605634bc0fae931db648753fbb8b145f4249f142a54a85e52071c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 2.1MB
        • SHA256 1b16b37aa98310767a760aafbc2e389212c1a9cb68a479ace218a46d6ad5f835
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\Installer\setup.exe$
        • Size 2.1MB
        • SHA256 1981106730864fa4154a21a5fb76ec3197f8ab5f7ca7e4ef3eabae4fa1fd32b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 3d72675d790bb26011c7c1223546dfbb5be814f20d998a462c0037316e282900
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wsgen.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\wsgen.exe
        • Size 1.6MB
        • SHA256 5baaa48254fe1dee61243c64c9ffdde3aa02c7fc5b03a1400b914e4321f096ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 1.7MB
        • SHA256 538a3798b9aef1b9d90d6637c3db5d883fc2616d1708b804ec1649b973f464d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2756-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2756-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4900-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4900-71-0x0000000000400000-0x000000000040F000-memory.dmp