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 2021-11-11T11:34:41.735081

Cobalt Strike
Cobalt Strike

General Information

4.1960947374771775e+41
Cloud ProviderAmazon
Cloud Regionus-west-1
ServiceAMAZON
Domainsamazonaws[.]com
Hostnamesec2-13-56-250-12[.]us-west-1[.]compute[.]amazonaws[.]com
HTTP Host13[.]56[.]250[.]12
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 SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)San Jose
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)37.33939
LOCATION (LONGITUDE)-121.89496
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDN/A
SSL FINGERPRINT (SHA1)3b8c592f6871b89473607fd41a891506d1f0049c
SSL ISSUED20211104163042Z
SSL EXPIRES20220202163041Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientHost: d3jxlkohammfww[.]cloudfront[.]net, Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, REF=ID=6Z4zQd, Cookie
http-post.clientHost: d3jxlkohammfww[.]cloudfront[.]net, Accept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, U=6Z4zQd, REF=ID=, Cookie
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon Jitter10
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URId3jxlkohammfww[.]cloudfront[.]net,/safebrowsing/WmpZG/hCAjVKNWb3q5hl2vN0s7IGvexMbWix3Cs38
HTTP POST URI/safebrowsing/Yg-l/E9ZE5qElK19Cvr3zust7h86B19B
Max GET Size1048576
Port443
post-ex.spawnto_x64%windir%\sysnative\gpupdate[.]exe
post-ex.spawnto_x86%windir%\syswow64\gpupdate[.]exe
process-inject.startrwx64
process-inject.userwx32
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime5000
useragent_headerMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3818.0 Safari/537.36 Edg/77.0.188.0
uses_cookies1
process-inject.executentdll.dll:RtlUserThreadStart, NtQueueApcThread-s, SetThreadContext, CreateRemoteThread, kernel32.dll:LoadLibraryA, RtlCreateUserThread
WatermarkN/A
Beacon Stage Cleanup1