Cobalt Stike Beacon Detected – 185[.]201[.]47[.]157:443

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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 2021-11-10T10:00:50.155319

Cobalt Strike
Cobalt Strike

General Information

1197456000
Cloud Provider
Cloud Region
Service
DomainsN/A
HostnamesN/A
HTTP Host185[.]201[.]47[.]157
ISPOOO Network of data-centers Selectel
ORGSelectel Network
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)Saint Petersburg
LOCATION (COUNTRY CODE)RU
LOCATION (COUNTRY NAME)Russian Federation
LOCATION (LATITUDE)59.93863
LOCATION (LONGITUDE)30.31413
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)a612e34d05866bcdfb6d99093437ec7e832a787b
SSL ISSUED20210717060614Z
SSL EXPIRES20220717060614Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientOSID=, Cookie, Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, Accept-Encoding: gzip, deflate, DNT: 1
http-post.clientui=d3244c4707, hop=6928632, start=0, Content-Type: application/x-www-form-urlencoded;charset=utf-8, OSID=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter15
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URI185[.]201[.]47[.]157,/_/scs/mail-static/_/js/
HTTP POST URI/mail/u/0/
Max GET Size1049376
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/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB7.4; InfoPath.2)
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
WatermarkN/A
Beacon Stage CleanupN/A
Available for Amazon Prime