Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 15:00

General

  • Target
    2026-05-28_cebba87e8631e0bbb7deff0f82f8f142_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.2MB
  • Sample260528-sdqqjscs8j
  • SHA256 02603a376c36508e0eb6c3d00049ee499904201bc03877e89b92d4ffe1d1710e
  • 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
  • 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_cebba87e8631e0bbb7deff0f82f8f142_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_cebba87e8631e0bbb7deff0f82f8f142_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:1132
  • 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:4344

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.2MB
        • SHA256 02603a376c36508e0eb6c3d00049ee499904201bc03877e89b92d4ffe1d1710e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 1.9MB
        • SHA256 993cfde8e3f5995611108a4f6ebbf0efa7d685284ea73a1b02ec183eec620a12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 1.6MB
        • SHA256 70758645ccc1194435a8ba56984e01103a5075fb9626fe954e312833a3ebd7f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_proxy.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_proxy.exe
        • Size 1.3MB
        • SHA256 e3ee0b19a1a7486c9e43ca054b0625a3fd21ad37af5bef3cb8fb629641a91ec6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge.exe
        • Size 1.3MB
        • SHA256 3d3da0c5866950f3d5271a7d47afadaac1cdd050af9ecf59fe176a4d9cd88dd6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.7MB
        • SHA256 a00e70f3ddce1213396218a87990dfc3676b12b2289355a32272982844be9a85
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 1.4MB
        • SHA256 2bc9965e48361f2d47acb6f2b9dc28fb7ad9233ad28391b9b5e07000a7eb2e29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1132-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1132-64-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4344-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4344-71-0x0000000000400000-0x000000000040F000-memory.dmp