Analysis

  • max time kernel
    87s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/05/2026, 15:55

General

  • Target
    2026-05-28_7a7b7d99f155575a089c91c91776239e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 3.0MB
  • Sample260528-tcsdesd15n
  • SHA256 f4c8e1e1c28b042b1854fa5f305b730e897b0d44cbebf97e9d4857464c862201
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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
  • 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\2026-05-28_7a7b7d99f155575a089c91c91776239e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_7a7b7d99f155575a089c91c91776239e_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:4520
  • 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:5980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 3.0MB
        • SHA256 f4c8e1e1c28b042b1854fa5f305b730e897b0d44cbebf97e9d4857464c862201
        • 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 3.1MB
        • SHA256 272211d1237b606f3b36e82ea95acf1da9ba08864b835d805b40205f8697be65
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_helper.exe
        • Size 3.1MB
        • SHA256 3798478d05913e76dc7f0733d2f982e5805a0d7799ac0091d5f6c246fea33858
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.5MB
        • SHA256 3ce540324386d0b7ceebdc55d6924a67ccfb7b97189f2a49e846f0526362ba27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        crashreporter.exe$

        • Path C:\Program Files\Mozilla Firefox\crashreporter.exe$
        • Size 3.1MB
        • SHA256 2ac325398295562abbee8197ba983c533aa88e506af259610b52f269a847e65b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ComSvcConfig.exe$

        • Path C:\Windows\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\ComSvcConfig.exe$
        • Size 3.2MB
        • SHA256 5b112537504bf08f023c4f2eb73be109e8c6a6e8739e0ebc746e2589a15cd9f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4520-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4520-22-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5980-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5980-71-0x0000000000400000-0x000000000040F000-memory.dmp