DanaBot C2 Server Memory Leak Bug

June 10, 2025, 9:10 a.m.

Description

A critical vulnerability named DanaBleed was discovered in DanaBot's C2 server, causing memory leaks from June 2022 to early 2025. This bug, introduced in version 2380, exposed sensitive information including threat actor details, server data, and victim credentials. The leak resulted from uninitialized memory in the C2 protocol update. Researchers gained insights into DanaBot's operations, infrastructure, and affiliates. In May 2025, law enforcement dismantled DanaBot's infrastructure and indicted 16 individuals in Operation Endgame. The blog details the technical analysis of the vulnerability, its impact, and the type of data exposed through the memory leak.

Date

  • Created: June 10, 2025, 5:10 a.m.
  • Published: June 10, 2025, 5:10 a.m.
  • Modified: June 10, 2025, 9:10 a.m.

Indicators

  • ae5eaeb93764bf4ac7abafeb7082a14682c10a15d825d3b76128f63e0aa6ceb9
  • 3ce09a0cc03dcf3016c21979b10bc3bfc61a7ba3f582e2838a78f0ccd3556555

Attack Patterns

Additional Informations

  • Defense
  • Finance
  • Government
  • Ukraine