Cobalt Stike Beacon Detected – 37[.]1[.]209[.]199:443

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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 2021-11-14T01:53:50.116944

Cobalt Strike
Cobalt Strike

General Information

16018695562987188000
Cloud Provider
Cloud Region
Service
Domainsflyncompare[.]com
Hostnamesflyncompare[.]com
HTTP Host37[.]1[.]209[.]199
ISPHIVELOCITY, Inc.
ORGIROKO Networks Corporation
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 SERVERapache
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Chicago
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)41.85003
LOCATION (LONGITUDE)-87.65005
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)552d127fb189e6db3240ab5438c4e910dfb822f8
SSL ISSUED20210926180146Z
SSL EXPIRES20310924180146Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: microsoft[.]com, Connection: close, woocommerce_cart_hash=, Cookie
http-post.clientHost: microsoft[.]com, Connection: close, Content-Type: text/plain, __session__id=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter41
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URI37[.]1[.]209[.]199,/temp
HTTP POST URI/adminhtml
Max GET Size1864740
Port443
post-ex.spawnto_x64%windir%\sysnative\svchost[.]exe
post-ex.spawnto_x86%windir%\syswow64\svchost[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime59971
useragent_headerMozilla/5.0 (iPhone; CPU iPhone OS 12_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0
uses_cookies1
process-inject.executeCreateThread, RtlCreateUserThread, CreateRemoteThread
Watermark426352781
Beacon Stage Cleanup1
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