Analysis

  • max time kernel
    117s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 01:23

General

  • Target
    2026-06-02_553921774066ce55334ba587035a7741_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.9MB
  • Sample260602-br2arsbz5q
  • SHA256 0b4973ff155ca7fda7667b011c3c4c0ac14973294181d8e61faf8d79002f9733
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 9 IoCs
  • ASPack v2.12-2.42 5 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\2026-06-02_553921774066ce55334ba587035a7741_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-02_553921774066ce55334ba587035a7741_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:4636
  • 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:2448

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.9MB
        • SHA256 0b4973ff155ca7fda7667b011c3c4c0ac14973294181d8e61faf8d79002f9733
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.7MB
        • SHA256 aff6d9bbc2073eacecbad80ec4597fcc1f2bfc4509376ab62a310053a229a006
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.5MB
        • SHA256 f359b57d12ca3aa8d8430aeb115bedcad537a672e160d09f935b69791f8a8e03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.0MB
        • SHA256 2b96d47f368f7e38c7761917ae2754986a0b397708f5acfe35f3ac2839098ef0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDriveStandaloneUpdater.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDriveStandaloneUpdater.exe$
        • Size 2.2MB
        • SHA256 10d70ec7ad2cafee2926f6ece123f64d57d5aec509e0ae596dd5ede262fbfde9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2448-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2448-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4636-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4636-58-0x0000000000400000-0x000000000040F000-memory.dmp