Analysis

  • max time kernel
    87s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 14:08

General

  • Target
    2026-08-20_f3ef4c6916400aa5767268bef6f33787_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.1MB
  • Sample260820-rfvxls11bv
  • SHA256 47af8d14f15c6f1c48aa7d2bdac02681e04f28e4dd8cec259ee46427c03c2b74
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 9 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 Program Files directory 64 IoCs
  • Drops file in Windows 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_f3ef4c6916400aa5767268bef6f33787_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_f3ef4c6916400aa5767268bef6f33787_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:6536
  • 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:2728

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.1MB
        • SHA256 47af8d14f15c6f1c48aa7d2bdac02681e04f28e4dd8cec259ee46427c03c2b74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.6MB
        • SHA256 b17e85153a989da2e23e4306f98ceb8795234b4dd18f5cae3e267799cbddde0e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jstack.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jstack.exe
        • Size 1.1MB
        • SHA256 84da517c80908b1e3310ec6cde725ce21d6a28ee7dd61a1487d284b9eaca197d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jstack.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\jstack.exe$
        • Size 1.1MB
        • SHA256 1232c325f4063e04396b09d850c18d8122c51927e06ddcd927c78eb1d3bef87b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 1.7MB
        • SHA256 b636a7b6a95a03cd9fa062886ab0adc2295c1daba451bd1bc984df30844068a2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 1.2MB
        • SHA256 9cf5119204774ba4289e1008e8d906d696d38692853fc14e73af00748bb71c08
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2728-256-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6536-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6536-216-0x0000000000400000-0x000000000040F000-memory.dmp