Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/11/2026, 22:22

General

  • Target
    2026-10-31_9c7e2ea158fa66eb0e640f3700199e4f_elex_wannacry.exe
  • Size 1.0MB
  • Sample261101-197ypsytht
  • SHA256 c654625928aa086a9349b3aadbe46126afdff3b3bc3d663d3d70c79a6aa3afaf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes a file named after a Windows system binary 1 TTPs 1 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Drops file in System32 directory 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-31_9c7e2ea158fa66eb0e640f3700199e4f_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-31_9c7e2ea158fa66eb0e640f3700199e4f_elex_wannacry.exe"
    1⤵
    • Modifies firewall policy service
    • Adds policy Run key to start application
    • Executes a file named after a Windows system binary
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:884

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        svchost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
        • Size 1.2MB
        • SHA256 22aa72bf45ffdd0173f4acfb6dd5110fca661bd2cb59876c42bb394cf0efe753
        • MD5 SHA1 SHA512 SSDEEP TLSH