Overview

overview

10

Static

static

10

2026-07-29...ry.exe

windows10-2004-x64

10

2026-07-29...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/07/2026, 19:55

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General

  • Target
    2026-07-29_a3683a8a3b85738192b3eeca75ed6906_elex_wannacry.exe
  • Size 320KB
  • Sample260729-ynfafser41
  • SHA256 c1b3147db2cac2e44f0782b301ed55ee8f5642f8b7cf29bc7e110bc11b5eeedd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryexecutionstormserpersistenceworm

Malware Config

Signatures

  • Family: Stormser, StormDDoS, StormAttack, Stormer

    Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.

    wormstormser
  • Detects Stormser aka Storm DDoS and StormAttack 1 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-29_a3683a8a3b85738192b3eeca75ed6906_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-29_a3683a8a3b85738192b3eeca75ed6906_elex_wannacry.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\{3F6D72DD-6E06-4160-9953-0F8BFB469741}.exe
      C:\Windows\{3F6D72DD-6E06-4160-9953-0F8BFB469741}.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2936
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2292

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        {3F6D72DD-6E06-4160-9953-0F8BFB469741}.exe
        • Path C:\Windows\{3F6D72DD-6E06-4160-9953-0F8BFB469741}.exe
        • Size 320KB
        • SHA256 6dc46bdee60095713dd33e56944d63eaa97e764ff44c4e7c2fb1b1688921624e
        • MD5 SHA1 SHA512 SSDEEP TLSH
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