Analysis

  • max time kernel
    89s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 14:13

General

  • Target
    2026-05-28_2c1d2ac5e9db21b38a20fde6e8412399_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.4MB
  • Sample260528-rjsxesaw2k
  • SHA256 60b51cd5b62641f6295473a37488f0a8ecabd5efe7863254905932bbc696f40e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 11 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\2026-05-28_2c1d2ac5e9db21b38a20fde6e8412399_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_2c1d2ac5e9db21b38a20fde6e8412399_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:1140
  • 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:3152

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.4MB
        • SHA256 60b51cd5b62641f6295473a37488f0a8ecabd5efe7863254905932bbc696f40e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.1MB
        • SHA256 63372be2abb12b4ceea899bb3b82b41b65a3bb209fcab297ee75851ac1b35a40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 2.9MB
        • SHA256 b20fb0dc17c5994e9706b21435dc2d9c9276565fdb691faedd692503e984c0f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.0MB
        • SHA256 dda56025d109600ff70e0823c206ab254489e9ed98ce4953f5e2c662c3e8303a
        • 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 2.5MB
        • SHA256 e4a4d9aae4a15895c3a7e3f76566303f6150dcc06c0d8920d018a4108ea858d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe$
        • Size 2.7MB
        • SHA256 495cd41753237072c1741fd3df87b3f0c1ec0cc421dd7bc5464ff749e4f192a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dfsvc.exe$

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\dfsvc\v4.0_4.0.0.0__b03f5f7f11d50a3a\dfsvc.exe$
        • Size 2.4MB
        • SHA256 6b0fabd573f289367ac237ca8a787d91bf321fc47b5f29afda2746577069508c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1140-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1140-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3152-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3152-71-0x0000000000400000-0x000000000040F000-memory.dmp