Cobalt Stike Beacon Detected – 192[.]3[.]86[.]197:443

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 2021-11-17T20:02:43.632552

General Information

4.101456515834316e+46

Cloud Provider
Cloud Region
Service
Domains	colocrossing[.]com
Hostnames	192-3-86-197-host[.]colocrossing[.]com
HTTP Host	192[.]3[.]86[.]197
ISP	ColoCrossing
ORG	ColoCrossing
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	N/A
HTTP SITEMAP	N/A
HTTP SITEMAP HASH	N/A
HTTP TITLE	N/A
LOCATION (AREA CODE)	N/A
LOCATION (CITY)	San Jose
LOCATION (COUNTRY CODE)	US
LOCATION (COUNTRY NAME)	United States
LOCATION (LATITUDE)	37.33939
LOCATION (LONGITUDE)	-121.89496
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	53355da7ac67c628e92347549eca3ea5f48c7934
SSL ISSUED	20211003093700Z
SSL EXPIRES	20360929093700Z
SSL CYPHER	ECDHE-ECDSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS

Cobalt Strike Beacon Information

Beacon Type	HTTPS
http-get.client	Host: www[.]gdcgx[.]com, Cookie
http-post.client	Host: www[.]gdcgx[.]com
DNS Beacon MaxDNS	255
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	www[.]gdcgx[.]com,/api/3
HTTP POST URI	/api/4
Max GET Size	1048576
Port	443
post-ex.spawnto_x64	%windir%\sysnative\rundll32[.]exe
post-ex.spawnto_x86	%windir%\syswow64\rundll32[.]exe
process-inject.startrwx	64
process-inject.userwx	64
process-inject.allocator	N/A
proxy.behavior	2 (Use IE settings)
sleeptime	60000
useragent_header	Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0; Touch)
uses_cookies	1
process-inject.execute	CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark	N/A
Beacon Stage Cleanup	N/A