Cobalt Stike Beacon Detected – 202[.]182[.]100[.]166:443

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 2021-11-09T10:14:55.893298

General Information

5.679429619555688e+47

Cloud Provider	Vultr
Cloud Region	N/A
Service	N/A
Domains	vultr[.]com
Hostnames	202[.]182[.]100[.]166[.]vultr[.]com
HTTP Host	202[.]182[.]100[.]166
ISP	The Constant Company, LLC
ORG	The Constant Company, 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)	db8fc034fcfbb8a47f045702829535e4dc851a8c
SSL ISSUED	20210306110300Z
SSL EXPIRES	20360302110300Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS	cloud

Cobalt Strike Beacon Information

Beacon Type	HTTPS
http-get.client	utmac=UA-2202604-2, utmcn=1, utmcs=ISO-8859-1, utmsr=1280×1024, utmsc=32-bit, utmul=en-US, Host: www[.]googlet[.]ml, __utma, utmcc
http-post.client	Content-Type: application/octet-stream, UA-220, -2, utmac, utmcn=1, utmcs=ISO-8859-1, utmsr=1280×1024, utmsc=32-bit, utmul=en-US, Host: www[.]googlet[.]ml
DNS Beacon MaxDNS	255
DNS Beacon Idle	134744072
Beacon Jitter	37
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[.]googlet[.]ml,/__utm[.]gif
HTTP POST URI	/___utm.gif
Max GET Size	1048616
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	30000
useragent_header	Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
uses_cookies	N/A
process-inject.execute	CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark	16777216
Beacon Stage Cleanup	N/A