Analysis

  • max time kernel
    108s
  • max time network
    150s
  • 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, 13:25

General

  • Target
    2026-05-22_a45a9ef79393fc709e3793d86ad06a3d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.7MB
  • Sample260522-qpcxqaex81
  • SHA256 11eae75716e734645fb29a279597ed042bfba7a678ee1d9cff5a7555f04cfbf7
  • 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
  • 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\2026-05-22_a45a9ef79393fc709e3793d86ad06a3d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_a45a9ef79393fc709e3793d86ad06a3d_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:2704
  • 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:1556

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.7MB
        • SHA256 11eae75716e734645fb29a279597ed042bfba7a678ee1d9cff5a7555f04cfbf7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.4MB
        • SHA256 da76dc28fb7570783742671ff49922ba93775584a73c61ed598d0b62bf1b2c57
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Installer\setup.exe$
        • Size 2.2MB
        • SHA256 40b0a0f11dd2d4911e2d679c48fae9c091665bb5fb1b996ece30fd4ff1b21b4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedgewebview2.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe$
        • Size 1.8MB
        • SHA256 06aa6d0f4d4d21ea7bef64123188dd3261eb30b0ed5658df8878ba4ac685108b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 af2a2d00b20bfdcb8e0f8dd74957e8a6dc72c1aa4a086ecbad9b3b82f46fea5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 1.7MB
        • SHA256 ee54accb0ecd9f0ff41c35c789d852aaadd760606bba47da769ee820df6f4016
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1556-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1556-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2704-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2704-70-0x0000000000400000-0x000000000040F000-memory.dmp