Cobalt Stike Beacon Detected – 91[.]193[.]19[.]214:443

Cobalt Strike Beacon Detection Alerts

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 2021-12-18T14:35:38.783854

Cobalt Strike
Cobalt Strike

General Information

4.145003318343675e+41
Cloud Provider
Cloud Region
Service
Domainsyavark[.]co[.]uk
Hostnamesz1iy[.]yavark[.]co[.]uk
HTTP Host91[.]193[.]19[.]214
ISPHZ Hosting Ltd
ORGHZ Hosting Ltd
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 SERVERApache
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Seattle
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)47.6062
LOCATION (LONGITUDE)-122.3321
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)5379b5ca9f56355e545d1656b689c28622dd1b0c
SSL ISSUED20211207192735Z
SSL EXPIRES20220307192734Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


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