MITRE ATT&CKsoftware (malware)

S1246 BeaverTail

Published 2025-10-19 Modified 2025-10-24 Official page ↗
Domain
enterprise
Platforms
Linux, macOS, Windows
Version
1.0
Created
2025-10-19

Description

BeaverTail is a malware that has both a JavaScript and C++ variant. Active since 2022, BeaverTail is capable of stealing logins from browsers and serves as a downloader for second stage payloads. BeaverTail has previously been leveraged by North Korea-affiliated actors identified as DeceptiveDevelopment or Contagious Interview. BeaverTail has been delivered to victims through code repository sites and has been embedded within malicious attachments.

Related

Uses · MITRE ATT&CK (23)

  • T1027.013 Encrypted/Encoded File sub-technique
  • T1657 Financial Theft technique
  • T1654 Log Enumeration technique
  • T1059.007 JavaScript sub-technique
  • T1001.001 Junk Data sub-technique
  • T1071.001 Web Protocols sub-technique
  • T1571 Non-Standard Port technique
  • T1074.001 Local Data Staging sub-technique
  • T1195.001 Compromise Software Dependencies and Development Tools sub-technique
  • T1204.002 Malicious File sub-technique
  • T1560.001 Archive via Utility sub-technique
  • T1555.001 Keychain sub-technique
  • T1555.003 Credentials from Web Browsers sub-technique
  • T1555 Credentials from Password Stores technique
  • T1070.004 File Deletion sub-technique
  • T1217 Browser Information Discovery technique
  • T1005 Data from Local System technique
  • T1036 Masquerading technique
  • T1041 Exfiltration Over C2 Channel technique
  • T1082 System Information Discovery technique
  • T1083 File and Directory Discovery technique
  • T1105 Ingress Tool Transfer technique
  • T1124 System Time Discovery technique

Referenced by MITRE ATT&CK · uses (1)

  • G1052 Contagious Interview group

References