Analysis

  • max time kernel
    56s
  • 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
    18/05/2026, 12:19

General

  • Target
    2026-05-18_b3cf85039addf5f02125edb2b4ffca1d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.6MB
  • Sample260518-phnvzact5w
  • SHA256 1c7c7a0cf52eff6e53e38c9f5e41793a0d9aa451a3fe9df743d2cedc1148aeb6
  • 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\2026-05-18_b3cf85039addf5f02125edb2b4ffca1d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-18_b3cf85039addf5f02125edb2b4ffca1d_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:6064
  • 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:2712

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.6MB
        • SHA256 1c7c7a0cf52eff6e53e38c9f5e41793a0d9aa451a3fe9df743d2cedc1148aeb6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DisabledGoogleUpdate.exe$

        • Path C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe$
        • Size 2.0MB
        • SHA256 725869ddf55eb8e2be622fddc1288887ba0f806acfe3df6e6f44e734c99ba498
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{ABFE1D03-25DD-40E1-8BAF-A69810AC7F7C}\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 1.7MB
        • SHA256 2037712e269b4829e95dc7457b3b3191532f6db5104f15b8bb7133c9bc42ca0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.1MB
        • SHA256 a496414be4ee2e355b0749c9b001f795cf26e400f498170489e38325b2690682
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe$
        • Size 1.6MB
        • SHA256 5fe33bbe411bca3e1e13c187d4e861a58d5ddbaf3d27cb2c251267573170d5d6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 1.8MB
        • SHA256 6f396bf5511bf8fc4c2c5ddaa9791dd24bd54fbd275002493415a830a632d430
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2712-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2712-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6064-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/6064-70-0x0000000000400000-0x000000000040F000-memory.dmp