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 2021-11-11T10:15:34.991485

Cobalt Strike
Cobalt Strike

General Information

2.957086267911257e+41
Cloud Provider
Cloud Region
Service
Domainsfsb[.]ru
Hostnamesclsz[.]fsb[.]ru
HTTP Host5[.]189[.]184[.]60
ISPContabo GmbH
ORGContabo GmbH
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 SERVERcloudflare
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Nürnberg
LOCATION (COUNTRY CODE)DE
LOCATION (COUNTRY NAME)Germany
LOCATION (LATITUDE)49.45421
LOCATION (LONGITUDE)11.07752
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)6698531f267718447a9bc0596c5aa461bb037e9c
SSL ISSUED20210925134758Z
SSL EXPIRES20211224134757Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientConnection: close, Accept-Encoding: gzip, affiliate_id=, Cookie, line=true
http-post.clientConnection: close, Content-Type: application/x-www-form-urlencoded, package=, __session__id=, Cookie
DNS Beacon MaxDNS253
DNS Beacon Idle-823160713
Beacon Jitter43
dns-beacon.strategy_fail_secondsN/A
dns-beacon.strategy_rotate_secondsN/A
dns-beacon.strategy_fail_xN/A
HTTP GET URI5[.]189[.]184[.]60,/cr[.]html
HTTP POST URI/be
Max GET Size2796542
Port443
post-ex.spawnto_x64%windir%\sysnative\WUAUCLT[.]exe
post-ex.spawnto_x86%windir%\syswow64\WUAUCLT[.]exe
process-inject.startrwx4
process-inject.userwx32
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime57053
useragent_headerMozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; RM-1152) AppleWebKit/537.36 (KHTML, like Gecko)
uses_cookies1
process-inject.executeCreateThread, RtlCreateUserThread, CreateRemoteThread
Watermark305419896
Beacon Stage Cleanup1