Cobalt Stike Beacon Detected – 35[.]177[.]95[.]190:443

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 2021-11-08T21:40:46.208355

Cobalt Strike
Cobalt Strike

General Information

3.1915229510555534e+41
Cloud ProviderAmazon
Cloud Regioneu-west-2
ServiceAMAZON
Domainsamazonaws[.]com
Hostnamesec2-35-177-95-190[.]eu-west-2[.]compute[.]amazonaws[.]com
HTTP Host35[.]177[.]95[.]190
ISPAmazon.com, Inc.
ORGAmazon Data Services UK
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)London
LOCATION (COUNTRY CODE)GB
LOCATION (COUNTRY NAME)United Kingdom
LOCATION (LATITUDE)51.50853
LOCATION (LONGITUDE)-0.12574
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDtrue
SSL FINGERPRINT (SHA1)05f8f8b8a34aba512081650dafd6ee02c3b0cd0f
SSL ISSUED20200131133524Z
SSL EXPIRES20200430133524Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: */*, Accept-Language: en-US, Content-Type: text/html, APISID=alphalowernumber:43%%;s_nr=, ;ubid-main=99ocl8i92vi9diaetcw60;, Cookie
http-post.clientAccept: text/plain, Accept-Language: en-US, Accept-Encoding: deflate, Cookie: t=3b78qsaknajw;, auth, bm_sz=ligwe7gmxv3r&log=xylyqvjj3pvuba0dqd6&captcha=
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter23
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URIprivate[.]medicaloptionsfinance[.]com,/real-world-investing/
HTTP POST URI/personal-finance/
Max GET Size1428484
Port443
post-ex.spawnto_x64%windir%\sysnative\dllhost[.]exe
post-ex.spawnto_x86%windir%\syswow64\dllhost[.]exe
process-inject.startrwx64
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime200
useragent_headerMozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36
uses_cookies1
process-inject.executentdll.dll:RtlUserThreadStart, SetThreadContext, RtlCreateUserThread
Watermark554663886
Beacon Stage Cleanup1