Cobalt Stike Beacon Detected – 45[.]32[.]64[.]43:7443

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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 2021-11-09T12:08:46.769887

Cobalt Strike
Cobalt Strike

General Information

732541020
Cloud ProviderVultr
Cloud RegionN/A
ServiceN/A
Domainsvultr[.]com
Hostnames45[.]32[.]64[.]43[.]vultr[.]com
HTTP Host45[.]32[.]64[.]43
ISPThe Constant Company, LLC
ORGVultr Holdings, 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 SERVERNginx
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)1f5df3335bc7c5f7d458aec54983a93a0040ad81
SSL ISSUED20210727061350Z
SSL EXPIRES20220727061350Z
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.clientHost: google[.]com, Accept: image/jpeg, Accept-Encodeing: gzip, br, Referer: https://www[.]google[.]com/, Connection: close, SESSION=, Cookie
http-post.clientHost: google[.]com, Accept-Encodeing: gzip, br, Referer: https://www[.]google[.]com/, Connection: close, id=, Cookie
DNS Beacon MaxDNS255
DNS Beacon Idle1249756273
Beacon Jitter10
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI45[.]32[.]64[.]43,/getjpg
HTTP POST URI/postjpg
Max GET Size1398123
Port7443
post-ex.spawnto_x64%windir%\sysnative\dllhost[.]exe
post-ex.spawnto_x86%windir%\syswow64\dllhost[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime45000
useragent_headerMozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4230.1 Safari/537.36
uses_cookies1
process-inject.executentdll:RtlUserThreadStart, CreateThread, NtQueueApcThread-s, CreateRemoteThread, RtlCreateUserThread
Watermark388888888
Beacon Stage Cleanup1
Available for Amazon Prime