Analysis

  • max time kernel
    104s
  • max time network
    137s
  • 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, 12:34

General

  • Target
    2026-05-22_508238e25ef172fb2301b06d04216b19_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.2MB
  • Sample260522-prtsksdw71
  • SHA256 53ab2dbcb5a6b7b11bbd6615950ae5c9d213ab782b9aca68915db341d07ac263
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 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_508238e25ef172fb2301b06d04216b19_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_508238e25ef172fb2301b06d04216b19_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:3468
  • 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:4592

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.2MB
        • SHA256 53ab2dbcb5a6b7b11bbd6615950ae5c9d213ab782b9aca68915db341d07ac263
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.9MB
        • SHA256 c656e9cc2c48c9f6e457c560d5851ccda387eb9c4a42ae504dd74c229d21bb79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        • Size 2.3MB
        • SHA256 5546e81bd90793e0f967a3bfd02ca46053c37eb0da64bc03ab23469144e9f334
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.7MB
        • SHA256 731f756c00495459a1e88891fc1fe8a7f1ae9f16f60f2c94f5f5727346e5b78c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3468-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3468-51-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4592-70-0x0000000000400000-0x000000000040F000-memory.dmp