Analysis

  • max time kernel
    91s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 14:36

General

  • Target
    2026-07-23_79a76a29d48c77528a68262d894cf5ad_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.5MB
  • Sample260723-ryrb5sel6x
  • SHA256 dcfe6b3fbd649db5c1256c27f7d8409c53fc51ae1cf68cb8d9bdddd757427175
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 11 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 22 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-23_79a76a29d48c77528a68262d894cf5ad_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_79a76a29d48c77528a68262d894cf5ad_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:4520
  • 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 Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:4176

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.5MB
        • SHA256 dcfe6b3fbd649db5c1256c27f7d8409c53fc51ae1cf68cb8d9bdddd757427175
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.0MB
        • SHA256 cf19ed4eaafdf6735dd52ad73b74f40019af20e893dfc1e62751b222361bd374
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javah.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javah.exe
        • Size 1.5MB
        • SHA256 50d15b464fe2421431b565c09768c7d007a39106400cd94ba3e285bb478a8d97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javah.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\javah.exe$
        • Size 1.7MB
        • SHA256 64bff45bb4b2618dba244a925e704cf6c20507bcb539ee2d4fa22ae080cb5781
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tnameserv.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe
        • Size 1.5MB
        • SHA256 c2dbc1fa63b09e92685d0f7c6788a60cfbde8be299f52fc6c4154693c13fb328
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tnameserv.exe$

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe$
        • Size 1.6MB
        • SHA256 8cf33ffdb1ca4d3b9ab4cbef27e63bed4c6855694f6664251c71842a9905ced0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rmiregistry.exe$

        • Path C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe$
        • Size 1.5MB
        • SHA256 a90e643b1528c60ff8a203fb7a4918340e310dee7c92160bcb29a6414c3bc97b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
        • Size 1.5MB
        • SHA256 da9c23c62130837dce1e7100fec0c311c39a68f9bb890005e214468c0683a1d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4176-166-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4520-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4520-165-0x0000000000400000-0x000000000040F000-memory.dmp