Analysis

  • max time kernel
    124s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 18:26

General

  • Target
    2026-07-28_a471bb914a2a2c1be6d6930287b1ac64_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.8MB
  • Sample260728-w3b58sself
  • SHA256 984d382795a4faba0728871d5b2b95f52b9cd38a805f92863b3ed04f7a40dac9
  • 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
  • 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\2026-07-28_a471bb914a2a2c1be6d6930287b1ac64_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_a471bb914a2a2c1be6d6930287b1ac64_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:4544
  • 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:3856

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.8MB
        • SHA256 984d382795a4faba0728871d5b2b95f52b9cd38a805f92863b3ed04f7a40dac9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.3MB
        • SHA256 d0e4631a55af0ea37ade95263c2ff29c158b37ee003b913aafe4ea3f2c847ee2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tnameserv.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe$
        • Size 1.8MB
        • SHA256 acd985dc397af8b4751b503d8c37657b7f50e854ddf2e6301e006211b1282463
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tnameserv.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe
        • Size 1.8MB
        • SHA256 a1dbe91e93a7794681476972e9bcbe9984fce5461b65dd018a6331e4121cb5f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
        • Size 1.8MB
        • SHA256 dad1efeecd8fdda158a19fe3ebcf870219c0e34a7ade5aa2f921e6c9bcb9cd16
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 2.4MB
        • SHA256 a8d9a696221deee875115dd797a82f69214b2a89c67eb3c57e3a5157b2a8038f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        createdump.exe$

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe$
        • Size 1.9MB
        • SHA256 b5896a7bb2b6710d27229c81a205a7329e049195c2c0a90915ed32e5809a4000
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3856-22-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4544-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4544-15-0x0000000000400000-0x000000000040F000-memory.dmp