Cobalt Stike Beacon Detected – 23[.]224[.]152[.]139:443

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 2021-11-15T20:42:50.943966

Cobalt Strike
Cobalt Strike

General Information

1500902794
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host23[.]224[.]152[.]139
ISPCNSERVERS LLC
ORGCloudRadium L.L.C
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)Los Angeles
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)34.05223
LOCATION (LONGITUDE)-118.24368
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)a498770799159a83f1e6f47a130dd94714adedff
SSL ISSUED20211012094809Z
SSL EXPIRES20221012094809Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Host: www[.]hellomrsone[.]com, Referer: http://code[.]jquery[.]com/, Accept-Encoding: gzip, deflate, flags__cfduid=, Cookie
http-post.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Host: www[.]hellomrsone[.]com, Referer: http://code[.]jquery[.]com/, Accept-Encoding: gzip, deflate, flags_cfduid
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter37
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URIwww[.]hellomrsone[.]com,/jquery-3[.]3[.]1[.]min[.]js
HTTP POST URI/jquery-3.3.2.min.js
Max GET Size1403644
Port443
post-ex.spawnto_x64%windir%\sysnative\svchost[.]exe
post-ex.spawnto_x86%windir%\syswow64\svchost[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime25000
useragent_headerMozilla/6.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
uses_cookies1
process-inject.executentdll:RtlUserThreadStart, CreateThread, NtQueueApcThread-s, CreateRemoteThread, RtlCreateUserThread
Watermark1359593325
Beacon Stage Cleanup1