Cobalt Stike Beacon Detected – 123[.]31[.]11[.]112:443

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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 2021-12-06T05:10:56.094677

Cobalt Strike
Cobalt Strike

General Information

602528728
Cloud Provider
Cloud Region
Service
Domainsvnpt[.]vn
Hostnamesstatic[.]vnpt[.]vn
HTTP Host123[.]31[.]11[.]112
ISPVIETNAM POSTS AND TELECOMMUNICATIONS GROUP
ORGVietnam Posts and Telecommunications Group
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 SERVERGithub.com
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Ho Chi Minh City
LOCATION (COUNTRY CODE)VN
LOCATION (COUNTRY NAME)Viet Nam
LOCATION (LATITUDE)10.82302
LOCATION (LONGITUDE)106.62965
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDtrue
SSL FINGERPRINT (SHA1)6c5042ba9985ead2cf65b8b5230b7d345198cb80
SSL ISSUED20190104042959Z
SSL EXPIRES20190404042959Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeN/A
http-get.client
http-post.client
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon JitterN/A
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI
HTTP POST URIN/A
Max GET SizeN/A
PortN/A
post-ex.spawnto_x64
post-ex.spawnto_x86
process-inject.startrwxN/A
process-inject.userwxN/A
process-inject.allocatorN/A
proxy.behaviorN/A
sleeptimeN/A
useragent_headerN/A
uses_cookiesN/A
process-inject.execute
WatermarkN/A
Beacon Stage CleanupN/A
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