Analysis

  • max time kernel
    110s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 01:51

General

  • Target
    2026-05-22_bca392e07daa901a5853dc11d832f850_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.5MB
  • Sample260522-b96yzae14x
  • SHA256 df874804c165e4ee794abf5eaf5ee20125f7f44cc6322bcf5e82f07f193b4ad8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 8 IoCs
  • ASPack v2.12-2.42 4 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\2026-05-22_bca392e07daa901a5853dc11d832f850_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_bca392e07daa901a5853dc11d832f850_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:3024
  • 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:544

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.5MB
        • SHA256 df874804c165e4ee794abf5eaf5ee20125f7f44cc6322bcf5e82f07f193b4ad8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pwahelper.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\pwahelper.exe
        • Size 1.6MB
        • SHA256 e0b7761d493d8b6b5aedb1a76f03454c3256986fea0e6b567a9a286ac17dd0fa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.0MB
        • SHA256 5af24a8f519363f8467e6bd2496e4a539b79dc9368d9a153095ad58394f5c26e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
        • Size 1.6MB
        • SHA256 8fffa1a6c77f99e9ef186ff605d5233f30feed67c4d5896f3f060cb51ff37f09
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/544-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/544-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3024-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3024-64-0x0000000000400000-0x000000000040F000-memory.dmp