Analysis

  • max time kernel
    111s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 15:47

General

  • Target
    2026-06-04_546137510725d2e3acbde9f3b98cc24b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.4MB
  • Sample260604-s8fttsax4m
  • SHA256 35b5ec3664e1bcef416d7e29ff7ab720220d504c9d866ae0d10b853352952330
  • 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\2026-06-04_546137510725d2e3acbde9f3b98cc24b_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_546137510725d2e3acbde9f3b98cc24b_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:2388
  • 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:4824

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.4MB
        • SHA256 35b5ec3664e1bcef416d7e29ff7ab720220d504c9d866ae0d10b853352952330
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.1MB
        • SHA256 00494f13b787e4ed554dce7663c67cbc465671d102327242787bd211196e1d95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 2.9MB
        • SHA256 e4a24a474f33b1b816e816d92b7f62d6c55bd90ed27560c98102bc0bc84c65c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.0MB
        • SHA256 47cfa76f821e28ee59b099ddc701d7095a16ebb00775556b1800c236b6e447be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        integrator.exe$

        • Path C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe$
        • Size 2.9MB
        • SHA256 c3bc9dcaefd245403710b833e9a1dea60bd2e5a07f1e2855d274262ba713c7d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftEdge.exe$
        • Size 2.7MB
        • SHA256 d57aa45ad4d2f0feb01a4ba2ddc3ffec7b66383b207349484bbd5d17348322b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2388-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2388-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4824-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4824-71-0x0000000000400000-0x000000000040F000-memory.dmp