Overview

overview

10

Static

static

10

2026-08-17...ry.exe

windows10-2004-x64

10

2026-08-17...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 22:23

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-08-17_445a30ed2865789023a35089620876bc_elex_wannacry.exe
  • Size 2.1MB
  • Sample260817-2a3qda1bpe
  • SHA256 4d9eec8ae71398f266bec18a58dfba2f8b93d56e27bda7689845a8c69268328b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverycosmuransomwareworm

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

    wormcosmu
  • Detects Cosmu payload 4 IoCs

    Cosmu is a worm written in C++.

  • Detects executables packed with eXPressor 4 IoCs
  • Renames multiple (928) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-17_445a30ed2865789023a35089620876bc_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_445a30ed2865789023a35089620876bc_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-2246396966-3025826688-3847171515-1000\desktop.ini.tmp
        • Size 2.1MB
        • SHA256 d4fc72018930887e6846c763951920ac06f378a5c6e81398887aa2b62ce2aedf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7-zip.dll.tmp
        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 2.2MB
        • SHA256 f285123483f64e4134274135a0e9b4423c5f4b13663bf9e42a640c06c2719a72
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1012-0-0x0000000000400000-0x000000000040A000-memory.dmp
        Download

        memory/1012-183-0x0000000000400000-0x000000000040A000-memory.dmp
        Download