Overview

overview

10

Static

static

10

2026-10-02...ry.exe

windows10-2004-x64

10

2026-10-02...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/10/2026, 16:46

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe
  • Size 2.2MB
  • Sample261003-t97vdat1dz
  • SHA256 c9fbbc26b6cd320f2593f44d758b8db26744bc05adeeb3e3b41b9474731b3ead
  • 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 (1357) 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\2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-02_16f9646871450b98755eca779455baff_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3532

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-240542094-4193773837-3211495583-1000\desktop.ini.tmp
        • Size 2.2MB
        • SHA256 2b8cda883b68b8435acc002ec0b1e6d7cf16c25fd6fcf73c7173eb8c1f0a468e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7-zip.chm.tmp
        • Path C:\Program Files\7-Zip\7-zip.chm.tmp
        • Size 2.4MB
        • SHA256 9400e19cb408bf97b02f51a652834fd91e58eefd360ed17a34d2fb7c276d60e9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3532-0-0x0000000000400000-0x000000000040A000-memory.dmp
        Download

        memory/3532-378-0x0000000000400000-0x000000000040A000-memory.dmp
        Download