Overview

overview

10

Static

static

3

2025-07-03...ex.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    2025-07-03_0c95f5de22dd0c82d7055e8bf8e11693_black-basta_elex
  • Size 471KB
  • Sample250703-eexctsap5y
  • SHA256 d8a3a80c53695e10f937dad02412fc1b804e68eda8a88f84b00b1b44f94ea385
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2025-07-03_0c95f5de22dd0c82d7055e8bf8e11693_black-basta_elex
    • Size 471KB
    • SHA256 d8a3a80c53695e10f937dad02412fc1b804e68eda8a88f84b00b1b44f94ea385
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    cosmudiscoveryransomwareworm

    • Cosmu

      Cosmu is a Windows worm written in C++.

      wormcosmu

    • Cosmu family

      cosmu

    • Detects Cosmu payload

      Cosmu is a worm written in C++.

    • Renames multiple (5203) 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

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks