Analysis

  • max time kernel
    83s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/05/2026, 16:08

General

  • Target
    2026-05-27_5017aa98a36077a1bcc2143a5a535a00_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.2MB
  • Sample260527-tk74vadw7x
  • SHA256 34a902597c0a280617be76899f8934de750f2d451c9b472ec38701b751971d8d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 9 IoCs
  • ASPack v2.12-2.42 5 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • 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\2026-05-27_5017aa98a36077a1bcc2143a5a535a00_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-27_5017aa98a36077a1bcc2143a5a535a00_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:4940
  • 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:1120

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.2MB
        • SHA256 34a902597c0a280617be76899f8934de750f2d451c9b472ec38701b751971d8d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 2.6MB
        • SHA256 aa7a89cc61c73e2083f827c4b9e9d1feb40ed62633d87496bbb5ffcc65de99dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.7MB
        • SHA256 bf5b59766c92be1e43537e0d10cc98f0bff6d3734c71f04faacfbcdad5cb1b9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jjs.exe$

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe$
        • Size 2.2MB
        • SHA256 6aafde31e46fb0f530297c1bf0cfebb556485c5544d2bb50e27c6b4951939ea0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.2MB
        • SHA256 7446573de5c9bb90cfb5f79befa0c05fd3a8f0732629c509b784cabf402345e5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1120-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1120-59-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4940-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4940-40-0x0000000000400000-0x000000000040F000-memory.dmp