Cobalt Stike Beacon Detected – 211[.]193[.]21[.]161:443

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 2023-05-02T11:01:18.223948

General Information

839485504

Cloud Provider
Cloud Region
Service
Domains	N/A
Hostnames	N/A
HTTP Host	211[.]193[.]21[.]161
ISP	Korea Telecom
ORG	Korea Telecom
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)	fcfb6d70280de5b9ca56456a68be22aea509c766
SSL ISSUED	20230429183821Z
SSL EXPIRES	20240428183821Z
SSL CYPHER	TLS_AES_256_GCM_SHA384
SSL VERSION	TLSv1.3
SSL TRUST (REVOKED)	N/A
TAGS	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

 

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