Overview

overview

10

Static

static

10

2026-08-20...ry.exe

windows10-2004-x64

10

2026-08-20...ry.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-08-20_c2a92c34a85609294225bf39f17cb791_coinminer_elex_wannacry
  • Size 377KB
  • Sample260820-3ed39agc67
  • SHA256 c893a37995c4876f37f0544910e5f5b7d3e47ea5a09b533c36fc6a1b8baff6fc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareupxworm

Malware Config

Targets

    • Target
      2026-08-20_c2a92c34a85609294225bf39f17cb791_coinminer_elex_wannacry
    • Size 377KB
    • SHA256 c893a37995c4876f37f0544910e5f5b7d3e47ea5a09b533c36fc6a1b8baff6fc
    • 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 (4907) 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