Analysis

  • max time kernel
    76s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 09:28

General

  • Target
    2026-08-10_e7ca39bd6db3b2855e478ed2ffbcd2db_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.3MB
  • Sample260810-lfd17sfc23
  • SHA256 3808b4cc27789a0cadc42feb446612e5a5a45bb11b3c4b1c7c77e7c10394385f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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
  • 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\2026-08-10_e7ca39bd6db3b2855e478ed2ffbcd2db_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_e7ca39bd6db3b2855e478ed2ffbcd2db_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:4148
  • 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:2452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.3MB
        • SHA256 3808b4cc27789a0cadc42feb446612e5a5a45bb11b3c4b1c7c77e7c10394385f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe
        • Size 2.4MB
        • SHA256 69aa0e205dc945d5c7153f1b4ea868f38544402a76841fe9fc506d6dc6685600
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.8MB
        • SHA256 dac19246ba0a12d772be85f143b31ef55d814479d465ea7d643c3bd6017d431c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrmstp.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
        • Size 2.4MB
        • SHA256 b263fd6d7e75942b74cab4692e4ba727583393872ec0ded186990f090ce3ca56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        extcheck.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\extcheck.exe$
        • Size 2.3MB
        • SHA256 b2a7ea40283e787c32c71292b716d5451b6d9520852a89f96947a7b75e5853f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2452-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2452-41-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4148-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4148-22-0x0000000000400000-0x000000000040F000-memory.dmp