Overview

overview

10

Static

static

10

2026-07-01...ry.exe

windows10-2004-x64

10

2026-07-01...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 14:41

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General

  • Target
    2026-07-01_f88f79b65f80b74f8477054c8df30f00_elex_wannacry.exe
  • Size 60KB
  • Sample260701-r2txfaas3t
  • SHA256 c382fa35e425ae26fb04eac06d4467f7533cdd666b7d2843158c7d1d118964f3
  • 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
  • Detects Windows executables referencing non-Windows User-Agents 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\2026-07-01_f88f79b65f80b74f8477054c8df30f00_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_f88f79b65f80b74f8477054c8df30f00_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:2300
    • C:\Windows\{1B589187-99A8-4ab4-9653-805FEE8A5D6E}.exe
      C:\Windows\{1B589187-99A8-4ab4-9653-805FEE8A5D6E}.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4068
    • 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:3424
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\{1B589187-99A8-4ab4-9653-805FEE8A5D6E}.exe
        "C:\Windows\{1B589187-99A8-4ab4-9653-805FEE8A5D6E}.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5344

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        {1B589187-99A8-4ab4-9653-805FEE8A5D6E}.exe
        • Path C:\Windows\{1B589187-99A8-4ab4-9653-805FEE8A5D6E}.exe
        • Size 60KB
        • SHA256 ececacb0a0efa6e6ceb5630ce3db781bf7f04dbbf77900fa95a6610cfc02b2f8
        • MD5 SHA1 SHA512 SSDEEP TLSH
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