Analysis

  • max time kernel
    97s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 02:11

General

  • Target
    2026-06-04_01b857970edc93798f5d7689565b188a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.3MB
  • Sample260604-cme3eahz5r
  • SHA256 d4c0e6e2d56f5a3f3d1c45a6244b1b306ce44bc41180c739eb532fab59db1cf1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 11 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 System32 directory 1 IoCs
  • Drops file in Program Files directory 64 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_01b857970edc93798f5d7689565b188a_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_01b857970edc93798f5d7689565b188a_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:2248
  • 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 System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:4420

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.3MB
        • SHA256 d4c0e6e2d56f5a3f3d1c45a6244b1b306ce44bc41180c739eb532fab59db1cf1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.0MB
        • SHA256 c00fabba0397eaffb6b3b3c1b1247cea2ff94ac1bab49306c36f51067eac198a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javaws.exe$

        • Path C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_180031\javaws.exe$
        • Size 2.8MB
        • SHA256 ded808b248b80ac75d69721e13af7d7911cab201d90472f1c8a8aea56fdcf8cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.8MB
        • SHA256 6fee206c5be23e36fe0791ba5dc10a3bac464c8e670960f005bbbdb8f010b4ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.4MB
        • SHA256 37a712f74644f99ababedc5962a15f7fea98ee80ceb7d7ee81a9c4f8b4ac1206
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 2.5MB
        • SHA256 6bd67581435fcca9347d06105e533bca50d5d03de8dd681e3046aa7cc695cd51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSBuild.exe

        • Path C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe
        • Size 2.4MB
        • SHA256 9e576bc87942ab9e0546fff93473ffda8b3f8711b993600719a4f81c63640f18
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2248-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2248-58-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4420-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4420-71-0x0000000000400000-0x000000000040F000-memory.dmp