Analysis

  • max time kernel
    116s
  • max time network
    98s
  • 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, 11:41

General

  • Target
    2026-05-19_a58c5003561bf4b903a254e8bcd25488_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.6MB
  • Sample260519-ntfhasaz4y
  • SHA256 8e150aa3c67be0cbb7c6fb19cf7258f3ed154497a375e8325695ff8386ad90a9
  • 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
  • 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_a58c5003561bf4b903a254e8bcd25488_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_a58c5003561bf4b903a254e8bcd25488_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:4744
  • 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:3964

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.6MB
        • SHA256 8e150aa3c67be0cbb7c6fb19cf7258f3ed154497a375e8325695ff8386ad90a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.3MB
        • SHA256 d031e3f25efed57fb05121ac12bf3885940f21c8e6d66e773db8d082fffda2ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe$

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe$
        • Size 2.7MB
        • SHA256 89e9f02508a48640fa32714da28f9a1def4c9f31984c5a272a36599b2f5da343
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Installer\setup.exe$
        • Size 3.1MB
        • SHA256 482f0e9e2eeb87bc4be33279e9dacea48776ab1192f062291152d8a2a438f594
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_proxy.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe
        • Size 2.7MB
        • SHA256 1718abcc6e269267ade68fff670d93dd67bb636dee661e3b32b2570a51eb11a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.1MB
        • SHA256 d6d12e8388d874d3be0733aba0da641df39d12898e1cdb557e481fe5866b8303
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe$
        • Size 2.9MB
        • SHA256 f8d3904e609c50536b2667f951b294ec1dd26d58901833fb89ff2a9404f56400
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3964-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3964-59-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4744-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4744-40-0x0000000000400000-0x000000000040F000-memory.dmp