Cobalt Stike Beacon Detected – 3[.]249[.]200[.]107:443

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 2021-12-05T14:16:05.093500

General Information

2.792518039190817e+41

Cloud Provider	Amazon
Cloud Region	eu-west-1
Service	AMAZON
Domains	amazonaws[.]com
Hostnames	ec2-3-249-200-107[.]eu-west-1[.]compute[.]amazonaws[.]com
HTTP Host	3[.]249[.]200[.]107
ISP	Amazon.com, Inc.
ORG	Amazon Data Services Ireland Limited
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)	Dublin
LOCATION (COUNTRY CODE)	IE
LOCATION (COUNTRY NAME)	Ireland
LOCATION (LATITUDE)	53.33306
LOCATION (LONGITUDE)	-6.24889
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	476318a97b6f25df66fa7691452b22ac28609316
SSL ISSUED	20211118142430Z
SSL EXPIRES	20220216142429Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS	cloud

Cobalt Strike Beacon Information

Beacon Type	N/A
http-get.client
http-post.client
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
HTTP POST URI	N/A
Max GET Size	N/A
Port	N/A
post-ex.spawnto_x64
post-ex.spawnto_x86
process-inject.startrwx	N/A
process-inject.userwx	N/A
process-inject.allocator	N/A
proxy.behavior	N/A
sleeptime	N/A
useragent_header	N/A
uses_cookies	N/A
process-inject.execute
Watermark	N/A
Beacon Stage Cleanup	N/A