Overview

overview

10

Static

static

10

2026-08-28...ry.exe

windows10-2004-x64

10

2026-08-28...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-28_12637c7bc8a099818f083a9eb161016d_elex_wannacry
  • Size 225KB
  • Sample260828-1mlrystekg
  • SHA256 95b0d3a848ec48ecdfae319b6dc12db26ae1ece5b510bda1cf2ffa158e13113d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-08-28_12637c7bc8a099818f083a9eb161016d_elex_wannacry
    • Size 225KB
    • SHA256 95b0d3a848ec48ecdfae319b6dc12db26ae1ece5b510bda1cf2ffa158e13113d
    • 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 (4916) 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