Analysis

  • max time kernel
    89s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 15:47

General

  • Target
    2026-08-04_51fe0a9eafea66d41037a39195836c0c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.4MB
  • Sample260804-s8e8astepe
  • SHA256 b0fce5c5e01eaf065d655f46121e1ee3bb6feabeb7483fdf09271af8e078e291
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 IoCs
  • ASPack v2.12-2.42 3 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\2026-08-04_51fe0a9eafea66d41037a39195836c0c_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_51fe0a9eafea66d41037a39195836c0c_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:4936
  • 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:1620

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.4MB
        • SHA256 b0fce5c5e01eaf065d655f46121e1ee3bb6feabeb7483fdf09271af8e078e291
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.9MB
        • SHA256 b3a45f31df8a161e1401a8927e1d4831d9bc5048c14180cbb7e416a9692c2e47
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSBuild.exe$

        • Path C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$
        • Size 2.5MB
        • SHA256 41ff87d48d9a3b2dff89ac13e5a01cfc7b9a8a1945f5643c6858cff922116b8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1620-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1620-59-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4936-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4936-40-0x0000000000400000-0x000000000040F000-memory.dmp