Analysis

  • max time kernel
    83s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/05/2026, 17:18

General

  • Target
    2026-05-18_b4766624135c7e93875bedc2f1e4553e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.8MB
  • Sample260518-vvq4raat21
  • SHA256 ead9b54af62f0043039410e0b7dbd32c3ff572d1d9ab442fb5aa80044d362208
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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\2026-05-18_b4766624135c7e93875bedc2f1e4553e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-18_b4766624135c7e93875bedc2f1e4553e_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:3912
  • 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:4556

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.8MB
        • SHA256 ead9b54af62f0043039410e0b7dbd32c3ff572d1d9ab442fb5aa80044d362208
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.3MB
        • SHA256 b715d4f2097f9f17fa014a9d5e3f58e05fee91dfa26e80c90158a08b6c0b5626
        • MD5 SHA1 SHA512 SSDEEP TLSH

        os_update_handler.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe
        • Size 1.9MB
        • SHA256 056ec583af6a07c68bf8537058c4b5fcdea4a0e89911f3c9ccb7d3cf6a27de54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javadoc.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javadoc.exe
        • Size 1.8MB
        • SHA256 d2d0dc386eecec93df4708af2f6061160e264e7674db2de54702e05ad62a6e14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 1.9MB
        • SHA256 a050c28cb2ea204c47a93de443738c767a4729c13556d08c49f79263ffdb2ff7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3912-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3912-40-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4556-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4556-59-0x0000000000400000-0x000000000040F000-memory.dmp