HOMETHREATSBlack Basta
APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

Black Basta

4
aliases
Last seen:Mar 17, 2026

Intelligence Profile

ESXi encrypting ransomware, using a combination of the stream cipher ChaCha20 and RSA.

Threat Analysis

Black Basta is a advanced-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of espionage.

The group's espionage-oriented operations suggest a state-sponsored or state-aligned mandate, typically focused on stealing intellectual property, government secrets, or military intelligence. Targets are usually selected for strategic value rather than financial gain.

Classified as an advanced threat actor, Black Basta likely develops or acquires zero-day exploits, employs custom malware toolchains, and demonstrates long-term persistence capabilities — hallmarks of a well-resourced operation consistent with nation-state backing.

Intelligence Reports Mentioning Black Basta

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Aliases4

Also Known As

elf.blackbastaBlack Bastawin.blackbastano_name_software

External Intelligence

Malpedia: win.blackbasta

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.