Cobalt Stike Beacon Detected – 159[.]203[.]31[.]69:443

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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 2021-11-11T11:37:36.878267

Cobalt Strike
Cobalt Strike

General Information

673407732
Cloud ProviderDigitalOcean
Cloud Regionca-on
ServiceN/A
DomainsN/A
HostnamesN/A
HTTP Host159[.]203[.]31[.]69
ISPDigitalOcean, LLC
ORGDigitalOcean, 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)Toronto
LOCATION (COUNTRY CODE)CA
LOCATION (COUNTRY NAME)Canada
LOCATION (LATITUDE)43.70011
LOCATION (LONGITUDE)-79.4163
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)d46de55b6f770f7b3c881bacba4589ca6eea2438
SSL ISSUED20211026140939Z
SSL EXPIRES20311024140939Z
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.clienttmp
http-post.clientContent-Type: application/octet-stream
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon JitterN/A
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URI159[.]203[.]31[.]69,/zOMGAPT
HTTP POST URI/BUYTHEAPTDETECTORNOW
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)
sleeptime60000
useragent_headerMozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; MANM)
uses_cookiesN/A
process-inject.executentdll:RtlUserThreadStart, CreateThread, NtQueueApcThread-s, RtlCreateUserThread, CreateRemoteThread
Watermark577587443
Beacon Stage CleanupN/A
Available for Amazon Prime