Cobalt Stike Beacon Detected – 216[.]244[.]87[.]180:443

Cobalt Strike Beacon Detection Alerts

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 2021-11-10T09:09:31.425065

Cobalt Strike
Cobalt Strike

General Information

2.651261482695108e+41
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host216[.]244[.]87[.]180
ISPWowrack.com
ORGWowrack.com
OSN/A
HTTPN/A
HTTP HTML HASHN/A
HTTP LOCATION/
HTTP REDIRECTS
HTTP ROBOTSN/A
HTTP ROBOTS HASHN/A
HTTP SECURITY.TXTN/A
HTTP SECURITY.TXT HASHN/A
HTTP SERVERnginx
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Seattle
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)47.60621
LOCATION (LONGITUDE)-122.33207
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)34d1fa337b7ba584ef5fff7df9b824c6e0ff51d8
SSL ISSUED20211102214733Z
SSL EXPIRES20220131214732Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: esc-ok[.]com, Connection: close, Accept: image/*, Accept-Encoding: gzip, br, woocommerce_items_in_cart=, Cookie, channel=false
http-post.clientHost: esc-ok[.]com, Connection: close, Accept-Encoding: gzip, Content-Type: text/plain, __session__id=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter41
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URIesc-ok[.]com,/boxes[.]html
HTTP POST URI/rw
Max GET Size2796804
Port443
post-ex.spawnto_x64%windir%\sysnative\regsvr32[.]exe
post-ex.spawnto_x86%windir%\syswow64\regsvr32[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime64045
useragent_headerMozilla/5.0 (Linux; Android 6.0; HTC One X10 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0
uses_cookies1
process-inject.executeCreateThread, RtlCreateUserThread, CreateRemoteThread
Watermark305419776
Beacon Stage Cleanup1