Cobalt Stike Beacon Detected – 34[.]219[.]41[.]39:443

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 2021-11-17T09:51:36.373955

Cobalt Strike
Cobalt Strike

General Information

2.852753158460582e+41
Cloud ProviderAmazon
Cloud Regionus-west-2
ServiceAMAZON
Domainsamazonaws[.]com
Hostnamesec2-34-219-41-39[.]us-west-2[.]compute[.]amazonaws[.]com
HTTP Host34[.]219[.]41[.]39
ISPAmazon.com, Inc.
ORGAmazon Technologies Inc.
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/2.4.29 (Ubuntu)
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Boardman
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)45.83986
LOCATION (LONGITUDE)-119.70058
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)db1bc0a8eff1d4fbe0759b107dd596a0808f3218
SSL ISSUED20210922184508Z
SSL EXPIRES20211221184507Z
SSL CYPHERECDHE-RSA-AES128-GCM-SHA256
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: application/xhtml+xml, Referer: https://amzn[.]to, Accept-Encoding: *, Connection: Close, AID=, Cookie
http-post.clientAccept: text/html,application/xhtml+xml,application/xml;, AID=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter20
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URItechstackbootstrap[.]com,/research/lockout/editorials,www[.]techstackbootstrap[.]com,/m1/about-us/no,resource[.]techstackbootstrap[.]com,/production/iraq/banners/iraq/trans,api[.]techstackbootstrap[.]com,/production/iraq/banners/iraq/trans
HTTP POST URI/left/W3SVC2/film/cms
Max GET Size1399028
Port443
post-ex.spawnto_x64%windir%\sysnative\werfault[.]exe
post-ex.spawnto_x86%windir%\syswow64\werfault[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime30000
useragent_headerMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark1866924965
Beacon Stage Cleanup1