Overview

overview

7

Static

static

3

2026-10-28...ry.exe

windows10-2004-x64

7

2026-10-28...ry.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 01:32

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General

  • Target
    2026-10-28_798b276c409c67833447c8599cfa9a4b_elex_wannacry.exe
  • Size 619KB
  • Sample261030-bybzfsda27
  • SHA256 6b10e00ad5f469355aaffed19421285236aec1ec0fb8ae274abbf36c2579f3c2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

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

    discovery
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-28_798b276c409c67833447c8599cfa9a4b_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_798b276c409c67833447c8599cfa9a4b_elex_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:256
    • C:\Windows\SysWOW64\wnstssu.exe
      "C:\Windows\system32\wnstssu.exe" /no_ads
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5484

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        PuritySCAN.exe
        • Path C:\Program Files (x86)\PurityScan\PuritySCAN.exe
        • Size 629KB
        • SHA256 ae553969c63bd394ebda225f3e4b27409db468f972053f8bfeabc45627e4b84b
        • MD5 SHA1 SHA512 SSDEEP TLSH
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