Cobalt Stike Beacon Detected – 137[.]184[.]235[.]148:443

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 2022-02-26T04:28:50.524489

General Information

18317921667297942000

Cloud Provider	DigitalOcean
Cloud Region	us-ca
Service	N/A
Domains	N/A
Hostnames	N/A
HTTP Host	137[.]184[.]235[.]148
ISP	DigitalOcean, LLC
ORG	DigitalOcean, LLC
OS	N/A
HTTP	N/A
HTTP HTML HASH	N/A
HTTP LOCATION	/
HTTP REDIRECTS
HTTP ROBOTS	N/A
HTTP ROBOTS HASH	N/A
HTTP SECURITY.TXT	N/A
HTTP SECURITY.TXT HASH	N/A
HTTP SERVER	Apache
HTTP SITEMAP	N/A
HTTP SITEMAP HASH	N/A
HTTP TITLE	N/A
LOCATION (AREA CODE)	N/A
LOCATION (CITY)	Santa Clara
LOCATION (COUNTRY CODE)	US
LOCATION (COUNTRY NAME)	United States
LOCATION (LATITUDE)	37.3924
LOCATION (LONGITUDE)	-121.9623
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	4b1bc272e5c6c8c98574407a70c3e0efcf671f20
SSL ISSUED	20220226021855Z
SSL EXPIRES	20230226021855Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS	cloud, self-signed

Cobalt Strike Beacon Information

Beacon Type	N/A
http-get.client
http-post.client
DNS Beacon MaxDNS	N/A
DNS Beacon Idle	N/A
Beacon Jitter	N/A
dns-beacon.strategy_fail_seconds	N/A
dns-beacon.strategy_rotate_seconds	N/A
dns-beacon.strategy_fail_x	N/A
HTTP GET URI
HTTP POST URI	N/A
Max GET Size	N/A
Port	N/A
post-ex.spawnto_x64
post-ex.spawnto_x86
process-inject.startrwx	N/A
process-inject.userwx	N/A
process-inject.allocator	N/A
proxy.behavior	N/A
sleeptime	N/A
useragent_header	N/A
uses_cookies	N/A
process-inject.execute
Watermark	N/A
Beacon Stage Cleanup	N/A