Cobalt Stike Beacon Detected – 89[.]45[.]4[.]99:443

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 2022-04-18T23:52:50.234592

Cobalt Strike
Cobalt Strike

General Information

4.064321182861085e+41
Cloud Provider
Cloud Region
Service
Domainspolyhaz[.]com
Hostnamespolyhaz[.]com
HTTP Host89[.]45[.]4[.]99
ISPM247 Ltd
ORGM247 Europe SRL
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 SERVERnginx/1.18.0 (Ubuntu)
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Los Angeles
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)34.0522
LOCATION (LONGITUDE)-118.2437
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)9c88ab874e2308365409b2f19ca846e8043cc40f
SSL ISSUED20220412163247Z
SSL EXPIRES20220711163246Z
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