Overview

overview

10

Static

static

10

2026-05-03...ry.exe

windows10-2004-x64

10

2026-05-03...ry.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry
  • Size 440KB
  • Sample260503-vnvtcsd191
  • SHA256 a4ce9a47d4b0d81ea492717653d426ce2a6b5764e7bf190d08505ea9bfc34c58
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-05-03_1f4e2575208d61f1888e02adf6b4e399_elex_wannacry
    • Size 440KB
    • SHA256 a4ce9a47d4b0d81ea492717653d426ce2a6b5764e7bf190d08505ea9bfc34c58
    • 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 (3468) 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