Cobalt Stike Beacon Detected – 34[.]64[.]155[.]98:8443

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 2021-12-23T00:38:26.700001

General Information

1833445388

Cloud Provider	Google
Cloud Region	asia-northeast3
Service	N/A
Domains	googleusercontent[.]com
Hostnames	98[.]155[.]64[.]34[.]bc[.]googleusercontent[.]com
HTTP Host	34[.]64[.]155[.]98
ISP	Google Asia Pacific Pte. Ltd.
ORG	Google Asia Pacific Pte. Ltd.
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)	Seoul
LOCATION (COUNTRY CODE)	KR
LOCATION (COUNTRY NAME)	Korea, Republic of
LOCATION (LATITUDE)	37.566
LOCATION (LONGITUDE)	126.9784
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	1f6baf2735be7102ca1efbaf100a033b5b3704b0
SSL ISSUED	20211119022049Z
SSL EXPIRES	20221119022049Z
SSL CYPHER	ECDHE-RSA-AES256-GCM-SHA384
SSL VERSION	TLSv1/SSLv3
SSL TRUST (REVOKED)	N/A
TAGS	cloud, self-signed

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