Overview

overview

10

Static

static

10

2026-08-08...ry.exe

windows10-2004-x64

10

2026-08-08...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/08/2026, 09:22

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General

  • Target
    2026-08-08_655678115d4462ab31dab5e597be1418_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample260808-lb4fastfqf
  • SHA256 dd5a0e26b350f6e7f665191adf94f0f5eba6a973f84a8b9de65632ee05859cf5
  • 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
  • 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
  • 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\2026-08-08_655678115d4462ab31dab5e597be1418_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_655678115d4462ab31dab5e597be1418_elex_remcos_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:1064
    • C:\Windows\{B8AD828F-DC2C-4c8c-A97E-88E71BF7335F}.exe
      C:\Windows\{B8AD828F-DC2C-4c8c-A97E-88E71BF7335F}.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4872
    • 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:2004

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        {B8AD828F-DC2C-4c8c-A97E-88E71BF7335F}.exe
        • Path C:\Windows\{B8AD828F-DC2C-4c8c-A97E-88E71BF7335F}.exe
        • Size 60KB
        • SHA256 6d19a0a8ad1ad5e73a46165b061eb51e5d9b0b6d35fadb2bbb83d3bccef1e2d1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download