Overview

overview

10

Static

static

10

2026-08-01...ry.exe

windows10-2004-x64

10

2026-08-01...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 00:52

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-08-01_45e80beeb0ec74aef8092d7cebd307c0_elex_wannacry.exe
  • Size 4.6MB
  • Sample260802-a73m4aaq8x
  • SHA256 c0e6e8df1654adcb2943be3b12add7a45dd474474e75deecbf2da76e217e869a
  • 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++.

  • Renames multiple (333) 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\2026-08-01_45e80beeb0ec74aef8092d7cebd307c0_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_45e80beeb0ec74aef8092d7cebd307c0_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:5584

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-1738198120-2966725515-3980530802-1000\desktop.ini.tmp
        • Size 4.6MB
        • SHA256 a49477c8ad808b238118826521748c17c74b1aacb3dad89e390c4d3ac5d44922
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7-zip.dll.tmp
        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 4.7MB
        • SHA256 7aeea0de4dd9993a6cd7432a8646794c96c698b759ba8f493958d5b50b366456
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5584-0-0x0000000000400000-0x0000000000408000-memory.dmp
        Download

        memory/5584-62-0x0000000000400000-0x0000000000408000-memory.dmp
        Download