Cobalt Stike Beacon Detected – 81[.]17[.]30[.]251:8443

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The Information provided at the time of posting was detected as “Cobalt Strike”. Depending on when you are viewing this article, it may no longer be the case and could be determined as being a false positive. Please do your own additional validation. – RedPacket Security

TimeStamp 2022-04-06T23:26:38.197249

Cobalt Strike
Cobalt Strike

General Information

623751045
Cloud Provider
Cloud Region
Service
Domainsseuplanodesaude[.]med[.]br
Hostnamessamwell[.]seuplanodesaude[.]med[.]br
HTTP Host81[.]17[.]30[.]251
ISPPrivate Layer INC
ORGPrivate Layer INC
OSN/A
HTTPN/A
HTTP HTML HASHN/A
HTTP LOCATION/
HTTP REDIRECTS
HTTP ROBOTSN/A
HTTP ROBOTS HASHN/A
HTTP SECURITY.TXTN/A
HTTP SECURITY.TXT HASHN/A
HTTP SERVERESF
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Z├╝rich
LOCATION (COUNTRY CODE)CH
LOCATION (COUNTRY NAME)Switzerland
LOCATION (LATITUDE)47.3721
LOCATION (LONGITUDE)8.5417
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)93ec4ac681c595662965d6224c5cee9668e8f2ea
SSL ISSUED20220406152900Z
SSL EXPIRES20230406152900Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeN/A
http-get.client
http-post.client
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon JitterN/A
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI
HTTP POST URIN/A
Max GET SizeN/A
PortN/A
post-ex.spawnto_x64
post-ex.spawnto_x86
process-inject.startrwxN/A
process-inject.userwxN/A
process-inject.allocatorN/A
proxy.behaviorN/A
sleeptimeN/A
useragent_headerN/A
uses_cookiesN/A
process-inject.execute
WatermarkN/A
Beacon Stage CleanupN/A