Overview

overview

10

Static

static

10

2026-04-15...ry.exe

windows10-2004-x64

10

2026-04-15...ry.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-04-15_bf6fc2f7ef2108b483355847d922ce22_elex_wannacry
  • Size 716KB
  • Sample260415-vkdexaez4p
  • SHA256 aa4e7f336e85f528fa14294ec45c197a44049c3be2b4177225694c480cb72def
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-04-15_bf6fc2f7ef2108b483355847d922ce22_elex_wannacry
    • Size 716KB
    • SHA256 aa4e7f336e85f528fa14294ec45c197a44049c3be2b4177225694c480cb72def
    • 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 (2746) 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