Analysis

  • max time kernel
    115s
  • max time network
    101s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    29/05/2026, 03:36

General

  • Target
    2026-05-29_eec663298cfc9c089550c8b9cb411644_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.5MB
  • Sample260529-d596yact3t
  • SHA256 f945d04e6cb0847fe44cbe8a7559ac9e39b9f93f25e868ee9655bce9b5127f0a
  • 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
  • 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 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\2026-05-29_eec663298cfc9c089550c8b9cb411644_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-29_eec663298cfc9c089550c8b9cb411644_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:3052
  • 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:3540

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.5MB
        • SHA256 f945d04e6cb0847fe44cbe8a7559ac9e39b9f93f25e868ee9655bce9b5127f0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe$

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe$
        • Size 2.6MB
        • SHA256 21c08ce8298ff95d35ed7c38baabd495d084157fa81576b5ae03fc6954975415
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pwahelper.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\pwahelper.exe$
        • Size 2.6MB
        • SHA256 984490ce7604d55e9ce14a662b14c1591c50293ee8e23bbc3cc490a62332dfb1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.0MB
        • SHA256 59ff991efffed0c83475d5e31fb49c71bad48f5f6c74e5f9613d397112d11c2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
        • Size 2.5MB
        • SHA256 623fb5011dfcc448ca263ca4bdb7bdad02e0bd91d4e85cbfa9146e20f3700580
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3052-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3052-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3540-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3540-71-0x0000000000400000-0x000000000040F000-memory.dmp