Overview

overview

10

Static

static

10

2026-08-28...ar.exe

windows10-2004-x64

10

2026-08-28...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-28_55bd50f015cdb043d5cb999fb68a09f4_elex_icedid_njrat_vidar
  • Size 5.4MB
  • Sample260828-tzkbbscl2v
  • SHA256 3903aa93c818795aa9f559dce55077bd4f985b6cb62d95237f26986a84858c7e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareworm

Malware Config

Targets

    • Target
      2026-08-28_55bd50f015cdb043d5cb999fb68a09f4_elex_icedid_njrat_vidar
    • Size 5.4MB
    • SHA256 3903aa93c818795aa9f559dce55077bd4f985b6cb62d95237f26986a84858c7e
    • 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 (524) files with added filename extension

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

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks