Cobalt Stike Beacon Detected – 149[.]28[.]52[.]177:443

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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 2021-11-10T08:14:15.711370

Cobalt Strike
Cobalt Strike

General Information

3.1787656245737128e+41
Cloud ProviderVultr
Cloud RegionN/A
ServiceN/A
Domainsvultr[.]com
Hostnames149[.]28[.]52[.]177[.]vultr[.]com
HTTP Host149[.]28[.]52[.]177
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 SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Philadelphia
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)39.95233
LOCATION (LONGITUDE)-75.16379
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)6284f5649b91680d73a3e50524a3f1d6c32ca2c1
SSL ISSUED20210929141027Z
SSL EXPIRES20211228141026Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: */*, Host: www[.]amazon[.]com, session-token=, skin=noskin;, csm-hit=s-24KU11BB82RZSYGJ3BDK|1419899012996, Cookie
http-post.clientAccept: */*, Content-Type: text/xml, X-Requested-With: XMLHttpRequest, Host: www[.]amazon[.]com, sz=160×600, oe=oe=ISO-8859-1;, sn, s=3717, dc_ref=http%3A%2F%2Fwww[.]amazon[.]com
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 URIus-system89[.]com,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,149[.]28[.]204[.]170,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
HTTP POST URI/N4215/adj/amzn.us.sr.aps
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)
sleeptime5000
useragent_headerMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark457740105
Beacon Stage CleanupN/A
Available for Amazon Prime