Analysis

  • max time kernel
    75s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 18:01

General

  • Target
    2026-05-22_bafc19611c270c8839761dbb63d446d7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.0MB
  • Sample260522-wma81act4p
  • SHA256 9f892be93407c67a78821a6f3ca4c81e31e7899bfb564ca8f22d1e47c13ee52d
  • 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
  • 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\2026-05-22_bafc19611c270c8839761dbb63d446d7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_bafc19611c270c8839761dbb63d446d7_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:1944
  • 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:2560

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.0MB
        • SHA256 9f892be93407c67a78821a6f3ca4c81e31e7899bfb564ca8f22d1e47c13ee52d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_proxy.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedge_proxy.exe$
        • Size 2.1MB
        • SHA256 ed277d7c5c095e17b7d2be99d5a071a9cf5f0ca8612c06e06dea0397cd4851ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$
        • Size 2.1MB
        • SHA256 1c9ea7e81ab90583e4862a97206556c392895c724ea23752cbb9f7bd26dee6fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.6MB
        • SHA256 44a156ef6f9c9797677d26c88027f25095c9c1578bb2abeb6302fa3f06013f83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe$
        • Size 2.1MB
        • SHA256 8b76236b6119efb6c26bee67d0eff683c4a3cf5143fbb9c8dd4e840d7270e53b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wt.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.WindowsTerminal_8wekyb3d8bbwe\wt.exe$
        • Size 2.3MB
        • SHA256 79469183cdf3d703ce5cf69f987fad1045edfcd317f43a025fb46c5125f37cd9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1944-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1944-69-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2560-70-0x0000000000400000-0x000000000040F000-memory.dmp