Cobalt Stike Beacon Detected – 54[.]174[.]145[.]85:443

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 2021-11-15T22:45:25.024219

General Information

3.983124083807954e+41

Cloud Provider	Amazon
Cloud Region	us-east-1
Service	AMAZON
Domains	amazonaws[.]com
Hostnames	ec2-54-174-145-85[.]compute-1[.]amazonaws[.]com
HTTP Host	54[.]174[.]145[.]85
ISP	Amazon.com, Inc.
ORG	Amazon Technologies 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)	Ashburn
LOCATION (COUNTRY CODE)	US
LOCATION (COUNTRY NAME)	United States
LOCATION (LATITUDE)	39.04372
LOCATION (LONGITUDE)	-77.48749
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	true
SSL FINGERPRINT (SHA1)	a8d52cf9cdf4f9f9aa23f935cbf7099d8df82c52
SSL ISSUED	20201201212733Z
SSL EXPIRES	20210301212733Z
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: */*, Host: www[.]amazon[.]com, session-token=, skin=noskin;, csm-hit=s-24KU11BB82RZSYGJ3BDK|1419899012996, Cookie
http-post.client	Accept: */*, Content-Type: text/xml, X-Requested-With: XMLHttpRequest, Host: www[.]amazon[.]com, sz=160×600, oe=oe=ISO-8859-1;, sn, s=3717, dc_ref=http%3A%2F%2Fwww[.]amazon[.]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	d1yxgunqlbb2ab[.]cloudfront[.]net,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
HTTP POST URI	/N4215/adj/amzn.us.sr.aps
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	5000
useragent_header	Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
uses_cookies	1
process-inject.execute	CreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark	207596070
Beacon Stage Cleanup	N/A