Analysis

  • max time kernel
    110s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 09:50

General

  • Target
    2026-07-31_04ef7b9ddb2d74aa5cf115b3983d60b5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.5MB
  • Sample260731-ltyyjadr21
  • SHA256 3c63bae7b1df86ba8e5afdd8bfd904735e17e467a42f0c188f08fad41def28b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 9 IoCs
  • ASPack v2.12-2.42 6 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 1 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\2026-07-31_04ef7b9ddb2d74aa5cf115b3983d60b5_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_04ef7b9ddb2d74aa5cf115b3983d60b5_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:4628
  • 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:2064

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.5MB
        • SHA256 3c63bae7b1df86ba8e5afdd8bfd904735e17e467a42f0c188f08fad41def28b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.1MB
        • SHA256 7470235acd310f839ca97b199ba188ae53e5d40fbdfb3e7ee12eaf78c9922798
        • MD5 SHA1 SHA512 SSDEEP TLSH

        xjc.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\xjc.exe
        • Size 2.5MB
        • SHA256 b51f89b7d113a0f9e400c346fd22cd45b89063e03accc17041e7d19e16d0940c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        xjc.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\xjc.exe$
        • Size 2.5MB
        • SHA256 433644d808cf6c5aff000aec33f3cf66db7b23fe9ef4d7f17491669dd2b0d3ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 2.6MB
        • SHA256 489d62e7307bf5c8831f6908570e0713cec237669929b9bb5be8eb910a8c5e6a
        • 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 2.6MB
        • SHA256 2d771d38720526a7399677231bc3c7c0aab21e56e48bfa147b7a2f25d577f72c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2064-16-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4628-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4628-15-0x0000000000400000-0x000000000040F000-memory.dmp