Cobalt Stike Beacon Detected – 170[.]130[.]28[.]37:443

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 2021-11-08T21:28:12.680798

Cobalt Strike
Cobalt Strike

General Information

4.265388550250821e+41
Cloud Provider
Cloud Region
Service
Domainsenxstatic[.]com
Hostnames37-28-130-170[.]staticrdns[.]enxstatic[.]com
HTTP Host170[.]130[.]28[.]37
ISPEonix Corporation
ORGSSDBlaze, LLC
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 SERVERapache
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Dallas
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)32.78306
LOCATION (LONGITUDE)-96.80667
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)853359634cf06145a6d0fed275e8ea8cd737c3a5
SSL ISSUED20211104104909Z
SSL EXPIRES20220202104908Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: spdevhost[.]com, Connection: close, Accept: image/*, Accept-Encoding: gzip, wordpress_logged_in=, Cookie, inc=true
http-post.clientHost: spdevhost[.]com, Connection: close, Content-Type: application/x-www-form-urlencoded, interval=, __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 URIspdevhost[.]com,/btn_bg[.]html
HTTP POST URI/mobile-home
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)
sleeptime59938
useragent_headerMozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; RM-1152) AppleWebKit/537.36 (KHTML, like Gecko)
uses_cookies1
process-inject.executeCreateThread, RtlCreateUserThread, CreateRemoteThread
Watermark305419776
Beacon Stage Cleanup1