Analysis

  • max time kernel
    115s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 06:39

General

  • Target
    2026-05-23_c48fb6d3d69dbce62a103cc813d24b21_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.0MB
  • Sample260523-hex6xaet4p
  • SHA256 ab85cf406e919572356db11d94521d1a81a76ac2ffc343990eb95ba3994e9d3a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 13 IoCs
  • ASPack v2.12-2.42 9 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\2026-05-23_c48fb6d3d69dbce62a103cc813d24b21_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_c48fb6d3d69dbce62a103cc813d24b21_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:1652
  • 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:2000

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.0MB
        • SHA256 ab85cf406e919572356db11d94521d1a81a76ac2ffc343990eb95ba3994e9d3a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.7MB
        • SHA256 e584041707fd4be7d66fe115a271e0fba5c8b546a52997456c45506c90ad9b79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Installer\setup.exe$
        • Size 2.5MB
        • SHA256 eb933beac7da46a5accec53312d73ce3af2b4cf80f967d658d0ae52859fe0827
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.6MB
        • SHA256 366f2a5c8478deb329c600cd988ba76eef7c919cc265852a533aad913c3b1e13
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe$

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe$
        • Size 2.2MB
        • SHA256 37047f9317a811733f5ece8d81b654cbd14ee011bb5d4e3bc5f3ab11e3efdd37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppSharingHookController.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe$
        • Size 2.1MB
        • SHA256 75608146a184360dc1191571fce60e2b2599a49950c073aebac30b56c9eeb24c
        • 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 651cea6fef0250be2f7b8397a6dde4a9f49824d4cdecb48fa783da3d76b6c2b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe$
        • Size 2.3MB
        • SHA256 3269a9d7ac1c5c7a00bd84eea1c1e41e86d84245e894b051deac7f09b62bf294
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSBuild.exe$

        • Path C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$
        • Size 2.1MB
        • SHA256 53704275b3325f48973e8dc9c57cff9c5b0bdb91fd0d38bbf737a87746f9b26b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1652-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1652-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2000-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2000-7-0x0000000000400000-0x000000000040F000-memory.dmp