ObserverStealer
- First seen
- 2022-05-01 00:00:00
- Malware type
- credential-stealer
- Family
- Malware family
- Last IoC activity
- 2026-05-24 02:59:35
- Profile updated
- 2026-07-07 15:14:14
Targeted industries: financial-services technology-and-telecommunications
Context
ObserverStealer is a credential-stealer malware targeting sensitive information, particularly in the financial-services and technology sectors. It is known for exfiltrating data such as login credentials and sensitive customer information.
Reports & references
- malpedia.caad.fkie.fraunhofer.de — Win.Observer Stealer (report)
- medium.com — Observerstealer Unmasking The New Contender In Cyber Crime 6E54A40D801D (report)