Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /var/spool/cron/crontabs/root
Malicious functions:
Launches itself as a daemon
Launches processes:
- grep <SAMPLE_FULL_PATH>$
- crontab /root/.cron
- rm -rf /root/.cron
- wc -l
- /usr/bin/mawk awk /[zZ]/ && !a[$2]++ {print $2}
- sort
- /usr/bin/mawk awk {if($3>30.0) print $2}
- if `id -u 2>/dev/null` -eq \x270\x27 ; then if `ps a
- ps -A -ostat,ppid 2>/dev/null | awk \x27/[zZ]/ && !a[$2]++ {print $2}\x27 2>/dev/null | while read procid; do kill -9 $procid 2>/dev/null; done
- grep -- md][[:space:]]*$
- ps aux
- grep -v -- md][[:space:]]*$
- id -u
- crontab -l
- grep -v <SAMPLE_FULL_PATH>
- if `i
- grep -v /usr/sbin/httpd
- uniq
- grep -v grep
- dir=`pwd 2>/dev/null`;rm -rf $dir/.cron 2>/dev/null;cront
- ps -A -ostat,ppid
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.5asV5A
Creates or modifies files:
- /root/.cron
- /var/spool/cron/crontabs/tmp.5asV5A
- /tmp/.lock
Deletes files:
- /root/.cron
Locks files:
- /tmp/.lock
Changes time of creation/access/modification of files:
- /var/spool/cron/crontabs
Network activity:
Establishes connection:
- 13#.##.133.34:80
DNS ASK:
- es.###ble.download
Sends data to the following servers:
- 13#.##.133.34:80
Receives data from the following servers:
- 13#.##.133.34:80
Other:
Collects OS information
Collects CPU information
Collects RAM information
Collects information about network activity
