Overview

overview

10

Static

static

10

2026-06-29...ry.exe

windows10-2004-x64

10

2026-06-29...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/06/2026, 04:38

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General

  • Target
    2026-06-29_b4642a4b722c4854791e5cfb842a02f5_elex_wannacry.exe
  • Size 80KB
  • Sample260630-e9kyaaex3t
  • SHA256 f4e6bd31f67467cb56a5f158661c87b105983e447843626bc3b5841ae02fbcac
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverystormserpersistenceworm

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 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_b4642a4b722c4854791e5cfb842a02f5_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_b4642a4b722c4854791e5cfb842a02f5_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:5164
    • C:\Windows\{20E2DCD1-9D85-4d9b-B681-1B7183474117}.exe
      C:\Windows\{20E2DCD1-9D85-4d9b-B681-1B7183474117}.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5032
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1920
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5764
      • C:\Windows\{20E2DCD1-9D85-4d9b-B681-1B7183474117}.exe
        "C:\Windows\{20E2DCD1-9D85-4d9b-B681-1B7183474117}.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3024

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        {20E2DCD1-9D85-4d9b-B681-1B7183474117}.exe
        • Path C:\Windows\{20E2DCD1-9D85-4d9b-B681-1B7183474117}.exe
        • Size 80KB
        • SHA256 0fb06b9be24487517a8311e73d41be1580fe8f2e48f3349a91852919826cbfb0
        • MD5 SHA1 SHA512 SSDEEP TLSH
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