Analysis

  • max time kernel
    113s
  • max time network
    100s
  • 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, 15:15

General

  • Target
    2026-05-22_a0f225bdc87c22549fe9db2e511a327a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.9MB
  • Sample260522-sm1bcaft4q
  • SHA256 e550f0dd7d3be6cc426df01607f5b8487845794804693fa2af960455bb3d348d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 12 IoCs
  • ASPack v2.12-2.42 8 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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_a0f225bdc87c22549fe9db2e511a327a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_a0f225bdc87c22549fe9db2e511a327a_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:5036
  • 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:3856

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.9MB
        • SHA256 e550f0dd7d3be6cc426df01607f5b8487845794804693fa2af960455bb3d348d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrServicesUpdater.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$
        • Size 3.6MB
        • SHA256 fbe653355e1f0c1525e075b8d5df0f2d9384c3a0dfeff7c97839eedff658c6f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdgeUpdateSetup.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateSetup.exe
        • Size 3.0MB
        • SHA256 1f0bc50d6a5e66b3f29653469212f2a960dd514e29bf6de875818b51adb1dc1d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_pwa_launcher.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_pwa_launcher.exe$
        • Size 3.0MB
        • SHA256 ac928feebe4908f6d628c3837870721fb913b46df426823b1645704beb933589
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.4MB
        • SHA256 50271b2dbaa4dcceff4a4c0bbaef3f69a85cd322d30dd4a1312f4281ba27a25e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
        • Size 2.9MB
        • SHA256 521874e35638bca1280e16647b7d7fd3488f408bda22479ef14ad587b55918b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        XamlViewer_v0300.exe

        • Path C:\Windows\Microsoft.NET\Framework\v3.0\WPF\XamlViewer\XamlViewer_v0300.exe
        • Size 2.9MB
        • SHA256 743c5f8fa41bc26ac2abc9cd7d748b46bbcce60dc443a9e0a562420004818dae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        XamlViewer_v0300.exe$

        • Path C:\Windows\Microsoft.NET\Framework\v3.0\WPF\XamlViewer\XamlViewer_v0300.exe$
        • Size 3.0MB
        • SHA256 2a9141ddb01b37336fb99d5e981658b4a65272a6af98e48c33d798eae6f81074
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3856-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3856-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5036-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5036-70-0x0000000000400000-0x000000000040F000-memory.dmp