ET MALWARE Observed Win32/Lumma Stealer Related Domain (utvp1 .net in TLS SNI)

SID: 2063801Rev: 17 views

Sourceet/open

CreatedJuly 28, 2025

UpdatedJuly 28, 2025

Classificationdomain-c2

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (utvp1 .net in TLS SNI)"; flow:established,to_server; tls.sni; bsize:9; content:"utvp1.net"; fast_pattern; reference:url,www.proofpoint.com/us/blog/threat-insight/threat-actors-deliver-malware-youtube-video-game-cracks; classtype:domain-c2; sid:2063801; rev:1; metadata:tls_state TLSEncrypt, created_at 2025_07_28, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_07_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)

References

url	www.proofpoint.com/us/blog/threat-insight/threat-actors-deliver-malware-youtube-video-game-cracks

Metadata

tls stateTLSEncrypt

created at2025_07_28

deploymentPerimeter

malware familyLumma_Stealer

confidenceHigh

signature severityCritical

updated at2025_07_28

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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