Overview

overview

10

Static

static

3

2026-08-04...ar.exe

windows10-2004-x64

10

2026-08-04...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-04_177fa18d2a4992feebcefc10124b9d39_elex_icedid_njrat_vidar
  • Size 300KB
  • Sample260804-j4zayazxew
  • SHA256 904b70f9c6fcec6d2ee8d6e4f64ea32972ce8db825cef313496491ba4142cb97
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-08-04_177fa18d2a4992feebcefc10124b9d39_elex_icedid_njrat_vidar
    • Size 300KB
    • SHA256 904b70f9c6fcec6d2ee8d6e4f64ea32972ce8db825cef313496491ba4142cb97
    • 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

    • Renames multiple (4927) 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