Overview

overview

10

Static

static

10

2026-05-06...ry.exe

windows10-2004-x64

10

2026-05-06...ry.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-05-06_11e17185458b8345002d8ae7de5d65d4_elex_wannacry
  • Size 3.9MB
  • Sample260506-xrmy2agy5w
  • SHA256 9dbcaa3018e8bb3fd62ccc1ba2f47b9c4c1db87b0bd999f206763a78b407f3c8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-05-06_11e17185458b8345002d8ae7de5d65d4_elex_wannacry
    • Size 3.9MB
    • SHA256 9dbcaa3018e8bb3fd62ccc1ba2f47b9c4c1db87b0bd999f206763a78b407f3c8
    • 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 (1042) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks