Cobalt Stike Beacon Detected – 51[.]91[.]151[.]27:443

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 2022-06-27T06:56:59.127067

General Information

3.470656992020443e+41

Cloud Provider
Cloud Region
Service
Domains	getleftarm[.]com
Hostnames	getleftarm[.]com
HTTP Host	51[.]91[.]151[.]27
ISP	OVH SAS
ORG	OVH SAS
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	Pagely Gateway/1.5.1
HTTP SITEMAP	N/A
HTTP SITEMAP HASH	N/A
HTTP TITLE	N/A
LOCATION (AREA CODE)	N/A
LOCATION (CITY)	Strasbourg
LOCATION (COUNTRY CODE)	FR
LOCATION (COUNTRY NAME)	France
LOCATION (LATITUDE)	48.58392
LOCATION (LONGITUDE)	7.74553
LOCATION (POSTAL CODE)	N/A
SSL SERIAL
SSL EXPIRED	N/A
SSL FINGERPRINT (SHA1)	a8c86d351d6e2a5f6a7e270e825b4ae74a2d9941
SSL ISSUED	20220602084414Z
SSL EXPIRES	20220831084413Z
SSL CYPHER	TLS_AES_256_GCM_SHA384
SSL VERSION	TLSv1.3
SSL TRUST (REVOKED)	N/A
TAGS

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