Overview

overview

10

Static

static

10

2026-11-04...ry.exe

windows10-2004-x64

10

2026-11-04...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-11-04_bdc9a25031e3ff96b12446132c752a1a_elex_wannacry
  • Size 42KB
  • Sample261105-rt67ssxt4r
  • SHA256 ec53c4ec029f76638d3f0e51d7c168db022b95deec43f6ea03a03e9f6604194c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-11-04_bdc9a25031e3ff96b12446132c752a1a_elex_wannacry
    • Size 42KB
    • SHA256 ec53c4ec029f76638d3f0e51d7c168db022b95deec43f6ea03a03e9f6604194c
    • 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 (5126) 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