Thu. Jul 7th, 2022

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 2021-11-11T08:15:04.217936

Cobalt Strike
Cobalt Strike

General Information

4.098635348072526e+41
Cloud ProviderAmazon
Cloud Regionus-gov-east-1
ServiceAMAZON
Domainsamazonaws[.]com
Hostnamesec2-18-252-55-155[.]us-gov-east-1[.]compute[.]amazonaws[.]com
HTTP Host18[.]252[.]55[.]155
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)Columbus
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)39.96118
LOCATION (LONGITUDE)-82.99879
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDtrue
SSL FINGERPRINT (SHA1)d697a621576aa5a6d9a534dd3488e98fb6536828
SSL ISSUED20210715192242Z
SSL EXPIRES20211013192240Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGScloud


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, Accept-Encoding: *, Cache-Control: no-store, no-transform, PREF=, Cookie
http-post.clientAccept: text/html,application/xhtml+xml,application/xml;q=0[.]9,*/*;q=0[.]8, Accept-Language: en-US,en;q=0[.]5, Accept-Encoding: *, Cache-Control: no-store, no-transform, PREF=, 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 URIcloud-office365[.]com,/safebrowse/dr/IrzUh12tRC1OhNknisAzj2nAjsLfKHGE7-0QOUqAJI7n2
HTTP POST URI/safebrowse/dr/SYDdk27dBE8xrXtvwcKjs2yxtcVoUQsO4
Max GET Size1398102
Port443
post-ex.spawnto_x64%windir%\sysnative\gpupdate[.]exe
post-ex.spawnto_x86%windir%\syswow64\gpupdate[.]exe
process-inject.startrwx64
process-inject.userwx64
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime30000
useragent_headerMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark1549831703
Beacon Stage Cleanup1