A_Deep_Dive_into_the_Leaked_Black_Basta_Chat_Logs.pdf

Whitepaper Name

Goes Here

SUBHEAD

A Deep Dive into the

Leaked Black Basta

Chat Logs

SERHII MELNYK AND NIKITA KAZYMIRSKYI

2A Deep Dive into the Leaked Black Basta Chat Logs

Executive Summary

• In February 2025, a leak of internal chat logs exposed Black Basta’s operations, uncovering part of their infrastructure and revealing insights into their tools, culture, tactics, and decision-making.

• Black Basta operates as a highly disciplined business unit. Their structure is agile and compartmentalized, and members demonstrate initiative, creativity, and autonomy.

• The group utilizes a range of social engineering tactics, including previously undisclosed Microsoft Teams-based campaigns, alongside traditional phishing methods.

• The group also leverages XLL-based payloads —…