Analysis

  • max time kernel
    111s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 01:03

General

  • Target
    2026-08-20_d72072f4464a21c0b9471b780e3a8904_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 3.3MB
  • Sample260820-becfwaxcpe
  • SHA256 1f89b26f1a7e04ea6a2760fa786754c37be9500ccfbebad6f05ae17ce010e9aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 IoCs
  • ASPack v2.12-2.42 4 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 15 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\2026-08-20_d72072f4464a21c0b9471b780e3a8904_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_d72072f4464a21c0b9471b780e3a8904_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:3000
  • 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:1572

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 3.3MB
        • SHA256 1f89b26f1a7e04ea6a2760fa786754c37be9500ccfbebad6f05ae17ce010e9aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.8MB
        • SHA256 85b650f22be69d9f3e28fca132223babe564e56c41ace72ba742560a502f1573
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrmstp.exe$

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe$
        • Size 3.4MB
        • SHA256 165315e3023f37aaf0366bfd6c45cd94be486fb78c28a315532522e17366af2a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 3.3MB
        • SHA256 2b72d2211dda56726eee221212249b8532d676bcc47bcc825266df158ba36ce4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1572-16-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3000-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3000-15-0x0000000000400000-0x000000000040F000-memory.dmp