Quantum Spider


CrowdStrike Intelligence first observed the Big Game Hunting (BGH) adversary QUANTUM SPIDER in August 2020 when the adversary published the first victim to the dedicated leak site (DLS) associated with the MountLocker Ransomware-as-a-Service (RaaS). Since that time, the adversary has rebranded their RaaS operation several times and is associated with the names MountLocker, SunRiseLocker, AstroLock...

Community Identifiers



  • A0Nb7FRVQqJLh8C


  • dx3pWbjV

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IOCs for this adversary


During a cybersecurity incident, indicators of compromise (IoC) are clues and evidence of a data breach.