Analysis

  • max time kernel
    82s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/05/2026, 08:09

General

  • Target
    2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.9MB
  • Sample260528-j2bf4aby3s
  • SHA256 b4b809dea264dcbb83efb194eadf204bfbe379a2679eb17f5a053c5f3465e5ec
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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\2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_c98b3a3610c005ad27268af1cb1e39e0_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:4340
  • 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:904

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.9MB
        • SHA256 b4b809dea264dcbb83efb194eadf204bfbe379a2679eb17f5a053c5f3465e5ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe
        • Size 2.4MB
        • SHA256 6b3f6267e94577d83951ac48005edd9376a7a5a29671cae0c7411d856f3261fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_helper.exe
        • Size 2.0MB
        • SHA256 71c264eef8944267dea79da3f5180db69a4f833da41d4635ccdc327289c2ce88
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.5MB
        • SHA256 92d3179890b785dae374eb934dff8e746fb50cf2aec44c251b0d3669d21a24ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        EXCEL.EXE

        • Path C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE
        • Size 2.2MB
        • SHA256 6ca9280e6abd9406dec44d3f9b1dd30015fb2db99c642e5590e59f76b61d6a59
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.0MB
        • SHA256 35e6c5d49795c99a9003c9a5281da9e2597b661468d581172abe25f9cebca7f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/904-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/904-59-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4340-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4340-40-0x0000000000400000-0x000000000040F000-memory.dmp