Analysis

  • max time kernel
    104s
  • 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
    04/08/2026, 18:12

General

  • Target
    2026-08-04_ca6f6530a42317d2cbdaaff8e6998412_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.3MB
  • Sample260804-wtcemst1bs
  • SHA256 f6de496e826a0b4f9eed812b0a078954f54628a6620b5efab0ec02b58d38ba36
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 10 IoCs
  • ASPack v2.12-2.42 7 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • 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\2026-08-04_ca6f6530a42317d2cbdaaff8e6998412_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_ca6f6530a42317d2cbdaaff8e6998412_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:2840
  • 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:5060

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.3MB
        • SHA256 f6de496e826a0b4f9eed812b0a078954f54628a6620b5efab0ec02b58d38ba36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.8MB
        • SHA256 5866d0948edeeed85111f2d4065c271a564b34bc98d9a47dd967b7c80bed532e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rmid.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe
        • Size 1.3MB
        • SHA256 a1d148a14300768329b2da1fd3a12afe85d209afd118014733d5330ddda1293e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rmiregistry.exe

        • Path C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe
        • Size 1.3MB
        • SHA256 47415ba9994c8d5438115e6942be69372bc177028de052de2993317fd4e99154
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WORDICON.EXE

        • Path C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE
        • Size 1.4MB
        • SHA256 d96dc55987c11b16cc030069147bd5cc16b99ea083117a40b4d252f95f436c64
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WORDICON.EXE

        • Path C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE
        • Size 1.9MB
        • SHA256 09be50dc491c9cabfe85c93450af969677b4cb110e49b6e7293812b5c6d5fa96
        • 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 1.4MB
        • SHA256 8c788431175d0d4663f1ef500e53b7aaa9d4131d8f9a1cf18bc270b92f04bb03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2840-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2840-21-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5060-22-0x0000000000400000-0x000000000040F000-memory.dmp