Overview

overview

10

Static

static

10

2026-05-11...ry.exe

windows10-2004-x64

10

2026-05-11...ry.exe

windows11-21h2-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-05-11_a67441c280ef825b639d92d1e414e19c_elex_wannacry
  • Size 5.9MB
  • Sample260511-dfyfvady6n
  • SHA256 15349eeff9f0247f49442936a73ca234cb6a13ce5a07a638aaf6692d7fa695d4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-05-11_a67441c280ef825b639d92d1e414e19c_elex_wannacry
    • Size 5.9MB
    • SHA256 15349eeff9f0247f49442936a73ca234cb6a13ce5a07a638aaf6692d7fa695d4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverycosmuransomwareworm

    • Detects Cosmu payload

      Cosmu is a worm written in C++.

    • Family: Cosmu

      Cosmu is a Windows worm written in C++.

      wormcosmu
    • Custom signature

      Detects executables packed with eXPressor

    • Renames multiple (452) files with added filename extension

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

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks