Analysis

  • max time kernel
    118s
  • max time network
    116s
  • 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, 19:20

General

  • Target
    2026-05-23_f38a92037674eea95b617d71a3c3b102_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.4MB
  • Sample260523-x2jdlacs7y
  • SHA256 083dbef562a50a73676a07ef0ad75485b337bf6cbb24de6bc9583973f83fae2e
  • 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\2026-05-23_f38a92037674eea95b617d71a3c3b102_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_f38a92037674eea95b617d71a3c3b102_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:1144
  • 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:6072

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe$

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe$
        • Size 1.4MB
        • SHA256 083dbef562a50a73676a07ef0ad75485b337bf6cbb24de6bc9583973f83fae2e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.1MB
        • SHA256 b25aed48a1c86f78a7bdf477ecfdc348006f9f99f1e06f9eed75466275d13a4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe$
        • Size 1.5MB
        • SHA256 abb0cc32f6870563b50d7150f8f41000edd3e553fd65710ae6b0d76cd1fb9d4c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{801B79ED-F2FF-4982-A51E-9DE43565C5B5}\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 1.5MB
        • SHA256 cf90dd4bd584c56550d6f04a33e4ab222396a6b9ac5e5ca49f24e51037dbea97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
        • Size 1.5MB
        • SHA256 87e3966ee08aebded8b6462c1660cedeab415a166af57b388cd881b26e07af1a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 1.6MB
        • SHA256 a12af29b00e1f4b8edc0777c9d5ab1c00ce3e761bd4cce69e8aed4a55876878f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1144-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1144-76-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6072-13-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6072-77-0x0000000000400000-0x000000000040F000-memory.dmp