216.73.217.172

Bumblebee

The MITRE Corporation · Published 19/08/2022 22:28 · Modified 27/03/2026 01:03 Family

Essential information

Confidence
100/100
Is family
Yes
Published
19/08/2022 22:28
Modified
27/03/2026 01:03
Revoked
No
Author / Source
The MITRE Corporation
Related entities
93 attack patterns (mitre), 2 intrusion sets (apt), 2 sectors, 2 countries, 98 indicators, 3 vulnerabilities (cve)

Description

[Bumblebee](https://attack.mitre.org/software/S1039) is a custom loader written in C++ that has been used by multiple threat actors, including possible initial access brokers, to download and execute additional payloads since at least March 2022. [Bumblebee](https://attack.mitre.org/software/S1039) has been linked to ransomware operations including [Conti](https://attack.mitre.org/software/S0575), Quantum, and Mountlocker and derived its name from the appearance of "bumblebee" in the user-agent.(Citation: Google EXOTIC LILY March 2022)(Citation: Proofpoint Bumblebee April 2022)(Citation: Symantec Bumblebee June 2022)

Marking (TLP)

TLP:CLEAR Copyright 2015-2025, The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.

External references

Related entities

Attack patterns, malware, vulnerabilities, indicators, intrusion sets and other entities linked to this malware.