ET MALWARE Observed BlackCat Ransomware Related SSL Cert (updatedaemon .com)

SID: 2036314Rev: 10 views
History
Sourceet/open
CreatedApril 22, 2022
UpdatedApril 22, 2022
Classificationdomain-c2
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed BlackCat Ransomware Related SSL Cert (updatedaemon .com)"; flow:established,to_client; tls.cert_subject; content:"CN=updatedaemon.com"; bsize:19; fast_pattern; reference:md5,e76fd61eea3bf2073d29c6aa963bc34b; reference:url,www.trendmicro.com/en_us/research/22/d/an-investigation-of-the-blackcat-ransomware.html; classtype:domain-c2; sid:2036314; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_04_22, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_22, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

References

md5
e76fd61eea3bf2073d29c6aa963bc34b
Google SearchBrave Search
urlwww.trendmicro.com/en_us/research/22/d/an-investigation-of-the-blackcat-ransomware.html

Metadata

attack targetClient_Endpoint
created at2022_04_22
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_04_22
mitre tactic idTA0040
mitre tactic nameImpact
mitre technique idT1486
mitre technique nameData_Encrypted_for_Impact

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