Overview

overview

10

Static

static

10

2026-07-28...ry.exe

windows10-2004-x64

10

2026-07-28...ry.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-07-28_fded30ace2b36efa89a764662b123119_coinminer_elex_wannacry
  • Size 88KB
  • Sample260728-1jsfbsaj7z
  • SHA256 0fae732949f687977153a0dc28807ef9b7f494238d328415ccb0d8af161940e0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareupxworm

Malware Config

Targets

    • Target
      2026-07-28_fded30ace2b36efa89a764662b123119_coinminer_elex_wannacry
    • Size 88KB
    • SHA256 0fae732949f687977153a0dc28807ef9b7f494238d328415ccb0d8af161940e0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverycosmuransomwareupxworm

    • Detects Cosmu payload

      Cosmu is a worm written in C++.

    • Family: Cosmu

      Cosmu is a Windows worm written in C++.

      wormcosmu

    • Renames multiple (4883) files with added filename extension

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

      ransomware

    • UPX dump on OEP (original entry point)

    • Executes dropped EXE

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks