Analysis

  • max time kernel
    120s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 12:17

General

  • Target
    2026-05-23_e63fc5791b141e2b4949f486fba63b6a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.6MB
  • Sample260523-pgf4qsct41
  • SHA256 02a5b0eeb6d6f70d273e76d2afa1f808f0290c1a6029533a9ebf470e85fd4052
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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
  • 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\2026-05-23_e63fc5791b141e2b4949f486fba63b6a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_e63fc5791b141e2b4949f486fba63b6a_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:3656
  • 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:6140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.6MB
        • SHA256 02a5b0eeb6d6f70d273e76d2afa1f808f0290c1a6029533a9ebf470e85fd4052
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.7MB
        • SHA256 ccde16cf62235434d41407fcb8154b2e397fe03a61866f1638c106d8c120f31c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe$

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe$
        • Size 2.7MB
        • SHA256 bae014a20564a004ccfd50379d3d7886132b9f6f2791bd52ac128e493124feeb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        identity_helper.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
        • Size 2.7MB
        • SHA256 510053b5e0f52239d3b7cbe34b4aabe1918da1aedf246bf4817e76e8f1bc6b6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.1MB
        • SHA256 cbd3b65223029509b08a36f196d56c085143c7d6d511ba4135d6407ffca77946
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.7MB
        • SHA256 6b95e7a90c83c33f5c2bc9d852a30a8aefbe3f583fc66008b314607ebe943426
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 2.8MB
        • SHA256 f5ef5389fa1c03bb3b1f9d2edea70e9257364ba42874fe29de8c0e0eb9708ebe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3656-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3656-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6140-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6140-71-0x0000000000400000-0x000000000040F000-memory.dmp