SantaStealer: The 2024 Memory-Based Infostealer Malware Targeting Credentials and Crypto Wallets
In early 2024, a new information-stealing malware known as SantaStealer emerged on cybercriminal Telegram channels and hacker forums, operating as a malware-as-a-service (MaaS). Designed to run primarily in memory, SantaStealer avoids traditional file-based detection and targets sensitive data in browsers, cryptocurrency wallets, and installed application credentials. Attackers typically distribute the malware through phishing campaigns and malicious attachments. Once executed, SantaStealer exfiltrates stolen data to command-and-control servers, enabling threat actors to harvest victims' digital assets and credentials for further exploitation or sale on underground markets. The incident underlines a growing trend of evasive, memory-resident stealer malware leveraging MaaS models. Cybercriminals are accelerating adoption of these techniques, raising the stakes for organizations and individuals who store credentials and assets on personal and enterprise endpoints.
Kill Chain
