Analysis

  • max time kernel
    94s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 04:30

General

  • Target
    2026-08-16_5c7b74399610e5ffa4eccb6e36b7e218_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.7MB
  • Sample260816-e4zt9abc34
  • SHA256 9527c9f07a31fa696e20ed38d3ffd3e98539e920dded8f0a1cf6b4e68cf568fe
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 8 IoCs
  • ASPack v2.12-2.42 5 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 27 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_5c7b74399610e5ffa4eccb6e36b7e218_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_5c7b74399610e5ffa4eccb6e36b7e218_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:5856
  • 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 Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:4864

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.7MB
        • SHA256 9527c9f07a31fa696e20ed38d3ffd3e98539e920dded8f0a1cf6b4e68cf568fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.1MB
        • SHA256 09e5d9c664857e7e576b7c77c199f8a67aa6986b4c0ae5030a2167b60ad0015d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 2a149e6c70723adb44a253d9b34af294ee64f373e4b4531b54d188334f57317b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VSTOInstaller.exe$

        • Path C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe$
        • Size 1.8MB
        • SHA256 a211906388849e51c16d7395759aa7f22ea671e5ad8c1cd19471b731e093d314
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pack200.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe
        • Size 1.7MB
        • SHA256 7c2f2944c551ce8533a76dd6cac9363f66a0271eb03e731aaf0d61a86afef8a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4864-173-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5856-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5856-106-0x0000000000400000-0x000000000040F000-memory.dmp