Analysis

  • max time kernel
    97s
  • max time network
    138s
  • 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, 15:52

General

  • Target
    2026-08-01_c648956454d557c49a1389ebd5a25be0_amadey_cobalt-strike_elex_hijackloader_wannacry.exe
  • Size 1.1MB
  • Sample260801-tbfm8sda64
  • SHA256 833268350ae33d8a1e8dde812da889b6fcc0eb95f2cb5385805109d9a3dca9e1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 10 IoCs
  • 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 30 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_c648956454d557c49a1389ebd5a25be0_amadey_cobalt-strike_elex_hijackloader_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_c648956454d557c49a1389ebd5a25be0_amadey_cobalt-strike_elex_hijackloader_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:4700
  • 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:5072

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.1MB
        • SHA256 833268350ae33d8a1e8dde812da889b6fcc0eb95f2cb5385805109d9a3dca9e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.7MB
        • SHA256 aacf8b654b18e37d7e373f84e1784986aa4ef8c53367d3258f1b2fd07908ee49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jinfo.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jinfo.exe
        • Size 1.2MB
        • SHA256 990618e917e99112d47119ad442f69d0bc6be3bf3ae4608250458b699d2bd77e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java.exe$

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\java.exe$
        • Size 1.4MB
        • SHA256 653cb42ad38abe3cf8a0c161f4b3c659eeda0751e3244d36effcd558f91898f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe
        • Size 1.2MB
        • SHA256 2d739dbcc17b62bc4bd59c52f77126ebcd68c8d9a073ad514cc78919c08c6f56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 1.2MB
        • SHA256 ecd7dff765d4c2de113702e93386f911cba12a4bf3db17a54b291d4e17455dda
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PresentationFontCache.exe$

        • Path C:\Windows\assembly\GAC_MSIL\PresentationFontCache\3.0.0.0__31bf3856ad364e35\PresentationFontCache.exe$
        • Size 1.2MB
        • SHA256 3427dcf0c89a169480cfafd66c27bb69c91159d11e44f5317e0332c3a2475a8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4700-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/4700-1965-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/5072-1966-0x0000000000400000-0x000000000040D000-memory.dmp