Analysis

  • max time kernel
    101s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 18:40

General

  • Target
    2026-08-01_ffd29b2b8a45dbc5ee4c7a6f0ff9b37f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.2MB
  • Sample260801-xbebysvxb1
  • SHA256 4d31abef61c4ed2a8e744bdc6e5d031a6bdf8378791520e06ac33051ad0e25e5
  • 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 27 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\2026-08-01_ffd29b2b8a45dbc5ee4c7a6f0ff9b37f_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_ffd29b2b8a45dbc5ee4c7a6f0ff9b37f_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:5116
  • 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:2340

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.2MB
        • SHA256 4d31abef61c4ed2a8e744bdc6e5d031a6bdf8378791520e06ac33051ad0e25e5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.7MB
        • SHA256 641918433f169e62bc9cde16deadbd2ad07c6de8e5ef066dff51a4c1b632cdd3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        os_update_handler.exe$

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe$
        • Size 1.3MB
        • SHA256 2f0f066e708392e5d47f678ad4a2698ea3a8bc8e89dded721b29a5b85921824c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pack200.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe
        • Size 1.2MB
        • SHA256 e2625c78ce2d339989f38a1081ba343bae19abd57b8e2e27c7f96eaf2dd0513a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        servertool.exe

        • Path C:\Program Files\Java\jre-1.8\bin\servertool.exe
        • Size 1.2MB
        • SHA256 b8b146473a8b10495a68270a86a633577ffe32b97a7bf968f0d849d6cae1fbd9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
        • Size 1.3MB
        • SHA256 687de893e6ac5aff9439fd64f6b80b57c254e6ab7dcd50d1f42db774634dcb3e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2340-40-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5116-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5116-21-0x0000000000400000-0x000000000040F000-memory.dmp