Overview

overview

10

Static

static

3

1c39d79025...62.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    1c39d7902536565e80e5263f3fb764d6b54273411177e3c5ffc43ba26018f462
  • Size 4.6MB
  • Sample260916-zzqe8sec62
  • SHA256 1c39d7902536565e80e5263f3fb764d6b54273411177e3c5ffc43ba26018f462
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudefense_evasiondiscoveryransomwareworm

Malware Config

Targets

    • Target
      1c39d7902536565e80e5263f3fb764d6b54273411177e3c5ffc43ba26018f462
    • Size 4.6MB
    • SHA256 1c39d7902536565e80e5263f3fb764d6b54273411177e3c5ffc43ba26018f462
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverycosmuransomwareworm

    • Detects Cosmu payload

      Cosmu is a worm written in C++.

    • Family: Cosmu

      Cosmu is a Windows worm written in C++.

      wormcosmu

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      defense_evasion

    • Renames multiple (472) files with added filename extension

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

      ransomware

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks