Cobalt Stike Beacon Detected – 54[.]193[.]250[.]131:443

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 2021-11-13T19:13:22.210762

General Information

4.327809864201847e+41

Cloud Provider	Amazon
Cloud Region	us-west-1
Service	AMAZON
Domains	amazonaws[.]com
Hostnames	ec2-54-193-250-131[.]us-west-1[.]compute[.]amazonaws[.]com
HTTP Host	54[.]193[.]250[.]131
ISP	Amazon.com, Inc.
ORG	Amazon.com, Inc.
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)	34ae7a574bf2b4880c0376d85485eaad86da3c6c
SSL ISSUED	20211105153504Z
SSL EXPIRES	20220203153503Z
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	Accept: */*, GetContentFeatures[.]DLNA[.]ORG: 1, Host: d12y8iq1v15hq5[.]cloudfront[.]net, Cookie: __utma=261361689[.]0271965791[.]6541228662[.]7616682899[.]6829715778[.]5;, version=4, lid=4965959469, token
http-post.client	Accept: */*, Content-Type: text/xml, X-Requested-With: XMLHttpRequest, Host: d12y8iq1v15hq5[.]cloudfront[.]net, rid, lid=6114525683, method=getSearchRecommendations
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	d12y8iq1v15hq5[.]cloudfront[.]net,/access/
HTTP POST URI	/radio/xmlrpc/v35
Max GET Size	1048620
Port	443
post-ex.spawnto_x64	%windir%\sysnative\mstsc[.]exe
post-ex.spawnto_x86	%windir%\syswow64\mstsc[.]exe
process-inject.startrwx	64
process-inject.userwx	64
process-inject.allocator	N/A
proxy.behavior	2 (Use IE settings)
sleeptime	720
useragent_header	Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
uses_cookies	1
process-inject.execute	CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark	1359593325
Beacon Stage Cleanup	N/A