Cobalt Stike Beacon Detected – 18[.]163[.]193[.]247:443

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 2022-06-20T22:25:06.510237

General Information

5.209025181685211e+37

Cloud Provider	Amazon
Cloud Region	ap-east-1
Service	AMAZON
Domains	jslibc[.]com, amazonaws[.]com
Hostnames	files[.]jslibc[.]com, ec2-18-163-193-247[.]ap-east-1[.]compute[.]amazonaws[.]com
HTTP Host	18[.]163[.]193[.]247
ISP	Amazon.com, Inc.
ORG	Amazon Data Services Hong Kong
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	nginx/1.18.0 (Ubuntu)
HTTP SITEMAP	N/A
HTTP SITEMAP HASH	N/A
HTTP TITLE	N/A
LOCATION (AREA CODE)	N/A
LOCATION (CITY)	Hong Kong
LOCATION (COUNTRY CODE)	HK
LOCATION (COUNTRY NAME)	Hong Kong
LOCATION (LATITUDE)	22.27832
LOCATION (LONGITUDE)	114.17469
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	c037d2638ddb97572ddb5d4d097f9ff79b264af9
SSL ISSUED	20220617000000Z
SSL EXPIRES	20220915235959Z
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