Cobalt Stike Beacon Detected – 141[.]164[.]41[.]228:443

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 2021-12-18T17:21:35.294186

Cobalt Strike
Cobalt Strike

General Information

191976503
Cloud ProviderVultr
Cloud RegionN/A
ServiceN/A
Domainsvultr[.]com
Hostnames141[.]164[.]41[.]228[.]vultr[.]com
HTTP Host141[.]164[.]41[.]228
ISPThe Constant Company, LLC
ORGThe Constant Company, LLC
OSN/A
HTTP Page Not Found

Page Not Found

Sorry, but the page you were trying to view does not exist.

HTTP HTML HASH2101032290
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 TITLEPage Not Found
LOCATION (AREA CODE)N/A
LOCATION (CITY)Seoul
LOCATION (COUNTRY CODE)KR
LOCATION (COUNTRY NAME)Korea, Republic of
LOCATION (LATITUDE)37.566
LOCATION (LONGITUDE)126.9784
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)3df0f7173670a447baeb59077ef45b0912744895
SSL ISSUED20211212094125Z
SSL EXPIRES20221212094125Z
SSL CYPHERECDHE-RSA-AES128-GCM-SHA256
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud, self-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