Analysis

  • max time kernel
    103s
  • max time network
    149s
  • 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, 02:00

General

  • Target
    2026-05-22_fc8d79cb49c44e01bf858602af3ded64_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.4MB
  • Sample260522-cfdk1act6m
  • SHA256 de56c4f82aa1853e9e24e5358803324365e3faecdce636ca7f3a69c1650e9aaa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 9 IoCs
  • ASPack v2.12-2.42 5 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_fc8d79cb49c44e01bf858602af3ded64_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_fc8d79cb49c44e01bf858602af3ded64_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:4956
  • 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:3232

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.4MB
        • SHA256 de56c4f82aa1853e9e24e5358803324365e3faecdce636ca7f3a69c1650e9aaa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe
        • Size 1.5MB
        • SHA256 0e33266e6ea90f6445fec0d11437868e88c794f08ac7b8ef95db782bb3a323f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge.exe
        • Size 1.5MB
        • SHA256 3ea9a52c40dfe343479a105ab7c95b485c7c5057cda7351359e9e479bcfd1d10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.9MB
        • SHA256 469599f229549ba571fd9434a85b0f0e31873e2f1338557bf3fe473136c4ab96
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 1.5MB
        • SHA256 20b874cd6549b50779c739ea32cc9821f738eb1d14e11210491b9e293692fbcd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3232-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3232-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4956-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4956-70-0x0000000000400000-0x000000000040F000-memory.dmp