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_8083a8b6f33c0023f52881b2b3656e82_elex_wannacry
  • Size 40KB
  • Sample261105-2mlmmaes8v
  • SHA256 428740f666fed9c097c62cd18775c8b97a271cb29f9e0790e346ab0ca7a9c3bd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-11-04_8083a8b6f33c0023f52881b2b3656e82_elex_wannacry
    • Size 40KB
    • SHA256 428740f666fed9c097c62cd18775c8b97a271cb29f9e0790e346ab0ca7a9c3bd
    • 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 (4879) 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