Analysis

  • max time kernel
    119s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/05/2026, 16:52

General

  • Target
    2026-05-27_641022c770e5abad09fc674b37140ef8_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.3MB
  • Sample260527-vdd3vsdt9p
  • SHA256 2ed40b66e30c37f72c405aeb733a63b64b7cd936f7ba194af7d4c725c6dc7a6f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 10 IoCs
  • ASPack v2.12-2.42 7 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_641022c770e5abad09fc674b37140ef8_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-27_641022c770e5abad09fc674b37140ef8_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:5320
  • 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:2780

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.3MB
        • SHA256 2ed40b66e30c37f72c405aeb733a63b64b7cd936f7ba194af7d4c725c6dc7a6f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.0MB
        • SHA256 cf9590d21b39b7d307e288e753b0bab4feec8d40c0fa935e85dec097aa94220c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pwahelper.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\pwahelper.exe$
        • Size 2.4MB
        • SHA256 8c7a2be576b5564f19f06609a8b12353af90f275b9e82fcce7728d919b69a669
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.9MB
        • SHA256 4cdf69d57ddafb18634367c69bb65db810041029de47164051045479620dad6c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe
        • Size 2.4MB
        • SHA256 c825d316f6ce813f9f4fd5ebcccf8d1444ca83cc0aca1f4ef89c5f66e8910ad1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        integrator.exe$

        • Path C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe$
        • Size 2.8MB
        • SHA256 8ef9efccf68105f421d3cd276b937684a8c0ff153bbde54bd6d2e721ae7b888f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftEdge.exe$
        • Size 2.6MB
        • SHA256 5876467b79b115f8752058b92178ee81854b0183faf01b547d8f4d5c06161293
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2780-64-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5320-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5320-51-0x0000000000400000-0x000000000040F000-memory.dmp