Overview

overview

10

Static

static

10

2026-10-31...ry.exe

windows10-2004-x64

10

2026-10-31...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-10-31_a57eb7b5822fee6a1df09ad7e2dca291_elex_wannacry
  • Size 76KB
  • Sample261031-pj95labt9w
  • SHA256 95721dde521e9adadf74604c06d32055ab9b949095713f97792372519ffaad40
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-10-31_a57eb7b5822fee6a1df09ad7e2dca291_elex_wannacry
    • Size 76KB
    • SHA256 95721dde521e9adadf74604c06d32055ab9b949095713f97792372519ffaad40
    • 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 (4904) 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