Cobalt Stike Beacon Detected – 194[.]180[.]174[.]15:443

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 2021-11-10T07:16:36.200359

Cobalt Strike
Cobalt Strike

General Information

402854608876500100
Cloud Provider
Cloud Region
Service
Domainsmivocloud[.]com
Hostnamesno-rdns[.]mivocloud[.]com
HTTP Host194[.]180[.]174[.]15
ISPMivoCloud SRL
ORGMivoCloud SRL
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)Chisinau
LOCATION (COUNTRY CODE)MD
LOCATION (COUNTRY NAME)Moldova, Republic of
LOCATION (LATITUDE)47.00556
LOCATION (LONGITUDE)28.8575
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)8baf17f09e14ceb64af7e02e008b8549c6924193
SSL ISSUED20211108164844Z
SSL EXPIRES20221108164844Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGSself-signed


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: */*, Host: download[.]microsoftupdate[.]com, [.]cab
http-post.clientAccept: */*, download[.]microsoftupdate[.]com/kb/, Host, [.]cab
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 URI194[.]180[.]174[.]15,/c/msdownload/update/others/2016/12/29136388_
HTTP POST URI/c/msdownload/update/others/2019/11/234235_
Max GET Size1048576
Port443
post-ex.spawnto_x64%windir%\sysnative\dllhost[.]exe
post-ex.spawnto_x86%windir%\syswow64\dllhost[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocator1
proxy.behavior2 (Use IE settings)
sleeptime60000
useragent_headerWindows-Update-Agent/10.0.10011.16384 Client-Protocol/1.40
uses_cookiesN/A
process-inject.executentdll:RtlUserThreadStart, CreateThread, NtQueueApcThread-s, CreateRemoteThread, RtlCreateUserThread
Watermark1580103824
Beacon Stage Cleanup1