Analysis

  • max time kernel
    105s
  • max time network
    97s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 17:39

General

  • Target
    2026-05-28_acad181d8e4c7922a7a915a2f8479711_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 3.4MB
  • Sample260528-v8e9eahs8r
  • SHA256 ad7b45ceefd65efb0df16f7be96924ffcdf52b460d4133e7d22ff2e29e77f996
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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\2026-05-28_acad181d8e4c7922a7a915a2f8479711_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_acad181d8e4c7922a7a915a2f8479711_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:3356
  • 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:4016

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 3.4MB
        • SHA256 ad7b45ceefd65efb0df16f7be96924ffcdf52b460d4133e7d22ff2e29e77f996
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DisabledGoogleUpdate.exe$

        • Path C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe$
        • Size 3.9MB
        • SHA256 e42c06840e34b3307c5e565fd448f76e2b9f029f96b570366d8b89b8f5140a10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 4.0MB
        • SHA256 d01ca13d3a7f905e81b0e3ad909b1f068f3d4c79b51fce3cc24ce240d4c8a69a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msotd.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\msotd.exe
        • Size 3.5MB
        • SHA256 7f466e1f0dae8251ef9f1dd97c1786fee3fc670d57657178e655fb0052a785eb
        • 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 3.5MB
        • SHA256 90381ddd15a135e8d09ed6386d6b0eded75254b37d838ca235a3f6f1289cefdb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDrive.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe$
        • Size 3.7MB
        • SHA256 b261e106e817682e0583de44fe2e3f24e0c930ed11ac2db64e30f62713aeea1a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3356-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3356-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4016-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4016-71-0x0000000000400000-0x000000000040F000-memory.dmp