Overview

overview

7

Static

static

3

2026-08-09...ry.exe

windows10-2004-x64

7

2026-08-09...ry.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/08/2026, 17:03

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General

  • Target
    2026-08-09_2bb4998f2a5a1298d8e23a54aac2261b_elex_virut_wannacry.exe
  • Size 1.2MB
  • Sample260809-vk1kfaap2s
  • SHA256 c6b203925ca67e837e03d423d4b9ab7a9abdbc6192e84766a3c5a819b056fdba
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoveryexecutionpersistencetrojan

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_2bb4998f2a5a1298d8e23a54aac2261b_elex_virut_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_2bb4998f2a5a1298d8e23a54aac2261b_elex_virut_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Windows\SysWOW64\cacls.exe
      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3084
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\2026-08-09_2bb4998f2a5a1298d8e23a54aac2261b_elex_virut_wannacry.exe^|c:\users\admin\appdata\local\temp\2026-08-09_2bb4998f2a5a1298d8e23a54aac2261b_elex_virut_wannacry.exe.log"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Windows\SysWOW64\com\SMSS.EXE
        C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\2026-08-09_2bb4998f2a5a1298d8e23a54aac2261b_elex_virut_wannacry.exe|c:\users\admin\appdata\local\temp\2026-08-09_2bb4998f2a5a1298d8e23a54aac2261b_elex_virut_wannacry.exe.log
        3⤵
        • Executes dropped EXE
        PID:976

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        SMSS.EXE
        • Path C:\Windows\SysWOW64\Com\SMSS.EXE
        • Size 9KB
        • SHA256 82fdcdbb1751ffeb239025271f750e121fd73d90cef26b5a63840766f924aba1
        • MD5 SHA1 SHA512 SSDEEP TLSH
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