Analysis

  • max time kernel
    113s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/05/2026, 15:57

General

  • Target
    2026-05-17_3ff428a3387d16abdfa34fd093bc4664_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.1MB
  • Sample260517-td2cqaay7v
  • SHA256 1456d226f00765aee54600889e131da690bf7f9f3293ee73f8ae4bc080ec1f3a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 10 IoCs
  • ASPack v2.12-2.42 6 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\2026-05-17_3ff428a3387d16abdfa34fd093bc4664_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-17_3ff428a3387d16abdfa34fd093bc4664_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:5076
  • 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:5028

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.1MB
        • SHA256 1456d226f00765aee54600889e131da690bf7f9f3293ee73f8ae4bc080ec1f3a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrServicesUpdater.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe
        • Size 1.8MB
        • SHA256 affd9380b43f4958815a9517e16d0040b577681a943c81ce5c4cc20eaf3807c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe$

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe$
        • Size 1.2MB
        • SHA256 21c2cb32701a2b0065602865a80d21f8470820317331ff479cf291f87fb26fba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\notification_helper.exe$
        • Size 1.2MB
        • SHA256 d6ef55bbd6fbfe0e84174ce271c18ac8aa0b1a3ebf3902b7cdd14fba74b96354
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.6MB
        • SHA256 a0ee5842cc1a59d331b7283c8583f3938484dd20850eff1b48119585f8638ba0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
        • Size 1.2MB
        • SHA256 b4ddea8a25e4e8ea43725254248164ff39225633f8e547740f70dabd2103df3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5028-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5028-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5076-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5076-70-0x0000000000400000-0x000000000040F000-memory.dmp