Analysis

  • max time kernel
    110s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/05/2026, 11:38

General

  • Target
    2026-05-19_9fec2b8cd0fa77b1cb6987c1aa2f2658_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.4MB
  • Sample260519-nrspvae12j
  • SHA256 c4243ac9d31ce647261197dd3ea6a9d3273a5d9354f033c912de1192624ff268
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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\2026-05-19_9fec2b8cd0fa77b1cb6987c1aa2f2658_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_9fec2b8cd0fa77b1cb6987c1aa2f2658_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:4872
  • 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:4552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.4MB
        • SHA256 c4243ac9d31ce647261197dd3ea6a9d3273a5d9354f033c912de1192624ff268
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.1MB
        • SHA256 cb99707dad18c31ed86011dd42338082df3616c4a4046f798169a5d07e1dbbd6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.0MB
        • SHA256 bce90ee962af484b6ebcfc8a4fb533c284065aab143e42474e2ccbc7bdab1e5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDriveSetup.exe$

        • Path C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe$
        • Size 2.9MB
        • SHA256 47dd12e49dac6359ab356ba9617c6854f0b0674ae5607e5f3031a01a0a3532af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe$
        • Size 2.5MB
        • SHA256 fd0a406e0284a2a247547e9fe826b69906629325eb59de8c559aeb64c5abe7dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 2.7MB
        • SHA256 7eea966dd863df491e32ce78dde98314c54b5d8f005c59e2717435b2085f6ba9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4552-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4552-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4872-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4872-70-0x0000000000400000-0x000000000040F000-memory.dmp