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
    01/06/2026, 12:54

General

  • Target
    2026-06-01_fcce73fd0bd366858c98f8de6cb70590_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.0MB
  • Sample260601-p469facy2x
  • SHA256 a41768cee7cacb48b03aba78d1b813fa69b903a4a1a777d27a61df80111a1982
  • 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\2026-06-01_fcce73fd0bd366858c98f8de6cb70590_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-01_fcce73fd0bd366858c98f8de6cb70590_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:4116
  • 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:3040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.0MB
        • SHA256 a41768cee7cacb48b03aba78d1b813fa69b903a4a1a777d27a61df80111a1982
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\139.0.3405.125\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 2.1MB
        • SHA256 9460ca87a173814f57914a20e472dbfa17cd2588746c4e769407ff904a596491
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.6MB
        • SHA256 1f54817541a6ac6c27f957b891fa1a5c8def61d50a42e149da84394556ea5b93
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDriveSetup.exe$

        • Path C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe$
        • Size 2.5MB
        • SHA256 1e8608cd4dd6bfc4e95b7ac66e476480cbf19e868bd12361fabc11f7317fbdd7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe$
        • Size 2.1MB
        • SHA256 68aa5a40d7609fd634663915cc55eacc35b1a1391a685e8aa42eaaebd8378683
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 2.3MB
        • SHA256 8b76ef61344375172e4eff7ae4404dc9f5d20f47e2a9b38a066569d07d948cef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        XamlViewer_v0300.exe

        • Path C:\Windows\Microsoft.NET\Framework\v3.0\WPF\XamlViewer\XamlViewer_v0300.exe
        • Size 2.1MB
        • SHA256 5097265ca063a43f400b1bd6954ce6101af8c6cc243fc04c45b28933957e8c0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3040-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4116-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4116-70-0x0000000000400000-0x000000000040F000-memory.dmp