Analysis

  • max time kernel
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/05/2026, 11:38

General

  • Target
    2026-05-19_9fec2b8cd0fa77b1cb6987c1aa2f2658_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.4MB
  • Sample260519-nrspvae12j
  • SHA256 c4243ac9d31ce647261197dd3ea6a9d3273a5d9354f033c912de1192624ff268
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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\2026-05-19_9fec2b8cd0fa77b1cb6987c1aa2f2658_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_9fec2b8cd0fa77b1cb6987c1aa2f2658_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:2880
  • 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:4788

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.4MB
        • SHA256 c4243ac9d31ce647261197dd3ea6a9d3273a5d9354f033c912de1192624ff268
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DisabledGoogleUpdate.exe$

        • Path C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe$
        • Size 2.9MB
        • SHA256 fcb68d6e3775271db99213aac18eac086b0a52335c0bb43d910386bc6b0bf414
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.0MB
        • SHA256 bce90ee962af484b6ebcfc8a4fb533c284065aab143e42474e2ccbc7bdab1e5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 2.4MB
        • SHA256 42ef301bb3fb5791ce066808f6a9b9a685dc4700d801a231a6cb4b70d1d732a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevated_tracing_service.exe$

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe$
        • Size 2.6MB
        • SHA256 faeaf989699c2bff2b8df68b3b009f5cdf0a2114281d2a9afd5a23398e1fa6b5
        • 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 2.5MB
        • SHA256 fd0a406e0284a2a247547e9fe826b69906629325eb59de8c559aeb64c5abe7dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftEdge.exe$
        • Size 2.7MB
        • SHA256 7eea966dd863df491e32ce78dde98314c54b5d8f005c59e2717435b2085f6ba9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2880-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2880-40-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4788-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4788-59-0x0000000000400000-0x000000000040F000-memory.dmp