Analysis

  • max time kernel
    115s
  • 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
    28/05/2026, 15:58

General

  • Target
    2026-05-28_2c2b0c4722ef3c7a8992ca4834db7796_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.7MB
  • Sample260528-tevassft21
  • SHA256 5a04bfc1e6869c6f32299d18b5101d5181efbda1928ab01b8cd493d18da0b5df
  • 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
  • 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\2026-05-28_2c2b0c4722ef3c7a8992ca4834db7796_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_2c2b0c4722ef3c7a8992ca4834db7796_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:940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.7MB
        • SHA256 5a04bfc1e6869c6f32299d18b5101d5181efbda1928ab01b8cd493d18da0b5df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrServicesUpdater.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$
        • Size 3.4MB
        • SHA256 09dc186b330804d06ee1a4c7ae5fcbadd673d935ce037790322658ff9809c2d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$
        • Size 2.8MB
        • SHA256 b8938da4b7dfb8ad24ab0e1acb42b40444e3240979b42e2f00a0417c899b1cb0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.2MB
        • SHA256 918aa4b32a101fc31228db1df34c2e3ee941d58ec06a59c9cd65d644d73c08c3
        • 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 2.7MB
        • SHA256 dfadc2e8d874e9a2019898d78d403c7fefd99f0cf257a6b0860bf3ea26a545e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 2.9MB
        • SHA256 b746134cb1a268725843209d564876927f777ca3ba6e6b5df3f0ba51710e2958
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PresentationFontCache.exe$

        • Path C:\Windows\assembly\GAC_MSIL\PresentationFontCache\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe$
        • Size 2.7MB
        • SHA256 f75d5e7c8dac6c3f1abdbc628d54b5a632691b9f72db45951f1349580f1cbe8d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/940-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/940-71-0x0000000000400000-0x000000000040F000-memory.dmp

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

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