Overview

overview

10

Static

static

10

2026-04-19...ry.exe

windows10-2004-x64

10

2026-04-19...ry.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/04/2026, 15:30

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General

  • Target
    2026-04-19_6fd930ca4a78b12e7fca65ce041b1591_elex_wannacry.exe
  • Size 60KB
  • Sample260419-sxkzeaa191
  • SHA256 5d4fcfcabf817a508e9516be09e407b24a56dea6de472b9d2280686427129abc
  • 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 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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\2026-04-19_6fd930ca4a78b12e7fca65ce041b1591_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-19_6fd930ca4a78b12e7fca65ce041b1591_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:4184
    • C:\Windows\{ECA04F6C-50E3-46e4-B961-A8E8A97B6427}.exe
      C:\Windows\{ECA04F6C-50E3-46e4-B961-A8E8A97B6427}.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1456
    • 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:2768

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        {ECA04F6C-50E3-46e4-B961-A8E8A97B6427}.exe
        • Path C:\Windows\{ECA04F6C-50E3-46e4-B961-A8E8A97B6427}.exe
        • Size 60KB
        • SHA256 1f58b67cd46248c7c85cfcc4eb1a6f92811ebc3692405442f1abd3a2c2ea1ce5
        • MD5 SHA1 SHA512 SSDEEP TLSH
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