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

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-08-08_c83b4d112e473901339570b0cfb311d2_elex_wannacry
  • Size 660KB
  • Sample260808-nl2essel8t
  • SHA256 ef526d1e3036dab2126fcf6df3f15414f6d46fd0890b36bbaa8220420221eb63
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-08-08_c83b4d112e473901339570b0cfb311d2_elex_wannacry
    • Size 660KB
    • SHA256 ef526d1e3036dab2126fcf6df3f15414f6d46fd0890b36bbaa8220420221eb63
    • 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

    • Detects executables packed with eXPressor

    • Renames multiple (2664) 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