Cobalt Stike Beacon Detected – 45[.]32[.]63[.]194:443

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 2021-11-10T14:29:38.813434

General Information

146473198

Cloud Provider	Vultr
Cloud Region	N/A
Service	N/A
Domains	vultr[.]com
Hostnames	45[.]32[.]63[.]194[.]vultr[.]com
HTTP Host	45[.]32[.]63[.]194
ISP	The Constant Company, LLC
ORG	Vultr Holdings, 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	N/A
HTTP SITEMAP	N/A
HTTP SITEMAP HASH	N/A
HTTP TITLE	N/A
LOCATION (AREA CODE)	N/A
LOCATION (CITY)	Tokyo
LOCATION (COUNTRY CODE)	JP
LOCATION (COUNTRY NAME)	Japan
LOCATION (LATITUDE)	35.6895
LOCATION (LONGITUDE)	139.69171
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	6ece5ece4192683d2d84e25b0ba7e04f9cb7eb7c
SSL ISSUED	20150520182624Z
SSL EXPIRES	20250517182624Z
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	HTTPS
http-get.client	Accept: */*, Accept-Language: en-US, prov=, ;notice-ctt=!1, ;_ga=GA1[.]2[.]9924, ;_gat=1, ;__qca=P0-214459, Cookie
http-post.client	Accept: */*, Accept-Language: en, prov=, ;notice-ctt=!1, ;_ga=GA1[.]2[.]9924, ;_gat=1, ;__qca=P0-214459, Cookie, answertab
DNS Beacon MaxDNS	N/A
DNS Beacon Idle	N/A
Beacon Jitter	22
dns-beacon.strategy_fail_seconds	N/A
dns-beacon.strategy_rotate_seconds	N/A
dns-beacon.strategy_fail_x	N/A
HTTP GET URI	pypi[.]python[.]org,/questions/32251816/c-sharp-directives-compilation-error
HTTP POST URI	/questions/32251817/c-sharp-directives-compilation-error
Max GET Size	1399501
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	35000
useragent_header	Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36
uses_cookies	1
process-inject.execute	CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark	1359593325
Beacon Stage Cleanup	1