Cobalt Stike Beacon Detected – 207[.]148[.]112[.]179:443

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 2021-11-14T14:42:30.897961

General Information

4.239079043047228e+47

Cloud Provider	Vultr
Cloud Region	N/A
Service	N/A
Domains	vultr[.]com
Hostnames	207[.]148[.]112[.]179[.]vultr[.]com
HTTP Host	207[.]148[.]112[.]179
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	golfe2
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)	3c8b84e788609304515fe91084676015d70f0b02
SSL ISSUED	20210512080700Z
SSL EXPIRES	20360508080700Z
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	Host: google[.]com, Connection: close, Accept: */*, Accept-Language: en-GB;q=0[.]9, *;q=0[.]7, wordpress_d6c0405e0d7ab18fd4e6a0b74fce40b0=, Cookie
http-post.client	Host: google[.]com, Connection: close, Accept-Encoding: gzip, br, Content-Type: application/x-www-form-urlencoded, route=, __session__id=, Cookie
DNS Beacon MaxDNS	254
DNS Beacon Idle	-1955653841
Beacon Jitter	43
dns-beacon.strategy_fail_seconds	N/A
dns-beacon.strategy_rotate_seconds	N/A
dns-beacon.strategy_fail_x	N/A
HTTP GET URI	microsoft[.]update[.]flash[.]com[.]se,/fam_calendar
HTTP POST URI	/bm
Max GET Size	1864478
Port	443
post-ex.spawnto_x64	%windir%\sysnative\svchost[.]exe
post-ex.spawnto_x86	%windir%\syswow64\svchost[.]exe
process-inject.startrwx	4
process-inject.userwx	32
process-inject.allocator	N/A
proxy.behavior	2 (Use IE settings)
sleeptime	3000
useragent_header	Mozilla/5.0 (iPhone; CPU iPhone OS 12_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0
uses_cookies	1
process-inject.execute	CreateThread, RtlCreateUserThread, CreateRemoteThread
Watermark	388888888
Beacon Stage Cleanup	1