Cobalt Stike Beacon Detected – 89[.]163[.]251[.]143:443

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 2021-11-09T19:00:19.165818

Cobalt Strike
Cobalt Strike

General Information

2.8614234045808504e+41
Cloud Provider
Cloud Region
Service
Domainsserver-hosting[.]expert
Hostnamesve774[.]venus[.]dedi[.]server-hosting[.]expert
HTTP Host89[.]163[.]251[.]143
ISPmyLoc managed IT AG
ORGmyLoc managed IT AG
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 SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Düsseldorf
LOCATION (COUNTRY CODE)DE
LOCATION (COUNTRY NAME)Germany
LOCATION (LATITUDE)51.22172
LOCATION (LONGITUDE)6.77616
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)1ecad34fda3c88aca0aaf67936f44bf87facec64
SSL ISSUED20210909140824Z
SSL EXPIRES20211208140823Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: */*, Host: ocsp[.]verisign[.]com
http-post.clientAccept: */*, Host: ocsp[.]verisign[.]com
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter20
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URIsetupcustom[.]com,/oscp/
HTTP POST URI/oscp/a/
Max GET Size1048576
Port443
post-ex.spawnto_x64%windir%\sysnative\rundll32[.]exe
post-ex.spawnto_x86%windir%\syswow64\rundll32[.]exe
process-inject.startrwx64
process-inject.userwx64
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime20000
useragent_headerMicrosoft-CryptoAPI/6.1
uses_cookiesN/A
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
WatermarkN/A
Beacon Stage CleanupN/A