Uptime Hamster: 112d 15h 56mDeploy: 23 Oct 2026 07:21Updated: 2026-07-21
Logo del actor de amenaza SaintBear

SaintBear

0 incidentes 0 paises 0 sectores apt RU Ultimo: -
Aliases: Bleeding Bear, Cadet Blizzard, DEV-0587, EMBER BEAR, FROZENVISTA, Lorec Bear, Lorec53, Nascent Ursa, Nodaria, Saint Bear, Storm-0587, TA471, UAC-0056, UNC2589, incluyendo brechas de seguridad, ransomware
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SaintBear is a Russian-nexus threat actor primarily engaged in cyber espionage and information theft, having emerged in early 2021. The group is known for its precise targeting and extensive reconnaissance, often leveraging custom-built malware and zero-day vulnerabilities. SaintBear operates under numerous aliases, including Storm-0587, TA471, UAC-0056, Lorec53, UNC2589, Nascent Ursa, Nodaria, and FROZENVISTA. While sometimes confused with Ember Bear operations, analysis indicates these are distinct activities. The group's primary motivation is geopolitical espionage, and it distinguishes itself through the use of specific remote access tools like Saint Bot and information stealer OutSteel, as well as a demonstrated capability for destructive attacks involving file corruptors.

Aliases del actor

Bleeding BearCadet BlizzardDEV-0587EMBER BEARFROZENVISTALorec BearLorec53Nascent UrsaNodariaSaint BearStorm-0587TA471UAC-0056UNC2589incluyendo brechas de seguridadransomware

Actores similares

ember-bearactor · 1Saint Bearthreat-actor · 1Ember Bearthreat-actor · 0energetic-bearactor · 1APT29 (Cozy Bear)actor · 1Energetic Bearapt · 0Boulder Bearapt · 0Pat Bearapt · 0White Bearapt · 0Group Space Bearsransomware · 0
Motivacion
Information theft and espionage, Sabotage and destruction
Malware asociado
WhisperGate, P.A.S. Webshell, Saint Bot
Tecnicas MITRE
T1595.002, T1553, T1112, T1003, T1560, T1053
CVEs relacionadas
CVE-2023-38831, CVE-2023-34362, CVE-2023-0669, CVE-2022-3236, CVE-2022-30190, CVE-2022-27666
Tipo
apt
Pais origen
RU
Motivacion
Information theft and espionage, Sabotage and destruction
Impacto
59
Actualizado
Wed, 01 Ju

Paises objetivo (OSINT)

GeorgiaUkraineUnited States

Sectores objetivo (OSINT)

Energy & Utilities Transportation&WarehousingFinancePublic AdministrationInternet PublishingPeriodical PublishersComputer Systems Design and Related Services