Analysis

  • max time kernel
    112s
  • max time network
    96s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/05/2026, 10:33

General

  • Target
    2026-05-25_946dbdb3f4097569110f3fb965071796_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.5MB
  • Sample260525-mlv3cagy4w
  • SHA256 5167d565c206ce144666b0b12507ef22c9e1952c6a7c0e5b5d95964b2c2213fb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 10 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\2026-05-25_946dbdb3f4097569110f3fb965071796_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-25_946dbdb3f4097569110f3fb965071796_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:4284
  • 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:1976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.5MB
        • SHA256 5167d565c206ce144666b0b12507ef22c9e1952c6a7c0e5b5d95964b2c2213fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 1.9MB
        • SHA256 9165ce196b9c9e8d57239f3a0fddc995c6ae1c289eadc9ac522d737f1da35878
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe$

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe$
        • Size 1.6MB
        • SHA256 7ae864b8160ffe5013821eecf715b9e4acf9fa886404e50d829e9b53526d2175
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$
        • Size 1.7MB
        • SHA256 e0724417effb743286094176e03ae74e4f099ca92a38ca22d217fca15dba65a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.1MB
        • SHA256 15f1b82e4058b04f60ba91d96b2e765f1cd527951493a6bf1ee2527113904e4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        integrator.exe$

        • Path C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe$
        • Size 2.0MB
        • SHA256 76ac22856c615fbc9755584a839cf9f354c429ddd678b6151a6dd2ee4eb4f781
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 1.8MB
        • SHA256 c2afe1476890c23871a73b4c9c711ea7ad10b8de429e805cf3d1d38ab7d510a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1976-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4284-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4284-69-0x0000000000400000-0x000000000040F000-memory.dmp