Cobalt Stike Beacon Detected – 95[.]179[.]212[.]90:8443

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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 2021-11-15T17:46:49.477499

Cobalt Strike
Cobalt Strike

General Information

2140453927
Cloud ProviderVultr
Cloud RegionN/A
ServiceN/A
Domainsvultr[.]com
Hostnames95[.]179[.]212[.]90[.]vultr[.]com
HTTP Host95[.]179[.]212[.]90
ISPThe Constant Company, LLC
ORGThe Constant Company, 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 SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Paris
LOCATION (COUNTRY CODE)FR
LOCATION (COUNTRY NAME)France
LOCATION (LATITUDE)48.85341
LOCATION (LONGITUDE)2.3488
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)64088343632036c9ae2860efc2ab18a257d2b8b2
SSL ISSUED20211115035528Z
SSL EXPIRES20221115035528Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud, self-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Referer: http://code[.]jquery[.]com/, Accept-Encoding: gzip, deflate, __cfduid=, Cookie
http-post.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Referer: http://code[.]jquery[.]com/, Accept-Encoding: gzip, deflate, __cfduid
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter50
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URI172[.]64[.]32[.]117,/jquery-3[.]3[.]1[.]min[.]js,108[.]162[.]192[.]117,/jquery-3[.]3[.]1[.]min[.]js,173[.]245[.]58[.]117,/jquery-3[.]3[.]1[.]min[.]js
HTTP POST URI/jquery-3.3.2.min.js
Max GET Size1403644
Port8443
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)
sleeptime14566
useragent_headerMozilla/5.0 (X11; Linux x86_64:71.0) Gecko/20100101 Firefox/71.0
uses_cookies1
process-inject.executentdll.dll:RtlUserThreadStart, NtQueueApcThread-s, SetThreadContext, CreateRemoteThread, kernel32.dll:LoadLibraryA, RtlCreateUserThread
Watermark1234567890
Beacon Stage Cleanup1
Available for Amazon Prime