Loader

Bumblebee

First seen: 2022-03 • Status: active

Currently Active Threat

Bumblebee is the new favorite tool for ransomware gangs to get into your network.

Overview

Bumblebee is a loader that replaced BazarLoader and delivers ransomware.

Also Known As

BumbleBee Loader

How It Spreads

  • Phishing emails
  • ISO files
  • OneNote attachments

What It Does

  • Downloads Cobalt Strike
  • Enables ransomware
  • Reconnaissance

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Target Platforms

Windows

Detection Tips

  • Block ISO files in email
  • Monitor for Cobalt Strike

MITRE ATT&CK Techniques

T1566, T1059, T1218

If You're Infected

  1. 1.

    Hunt for Cobalt Strike beacons

Related Malware

Cobalt Strike, Conti

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