Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /etc/rc.d/init.d/tcp4
- /var/spool/cron/crontabs/root
Malicious functions:
Removes itself
Launches itself as a daemon
Replaces the following system files:
- /usr/bin/grep
Manages services:
- ['systemctl', 'daemon-reload', 'redis.service']
- ['systemctl', 'enable ', 'redis.service']
- ['systemctl', 'daemon-reload', 'mysql.service']
- ['systemctl', 'enable ', 'mysql.service']
Launches processes:
- mv /usr/bin/mkdir /usr/bin/.mkdir
- mount -o bind /var /proc/709/
- mv /usr/bin/chmod /usr/bin/.chmod
- mv /usr/bin/top /usr/bin/.top
- mv /usr/bin/grep /usr/bin/.grep
- <SAMPLE_FULL_PATH> d
- mv /usr/bin/rm /usr/bin/.rm
- mv /usr/bin/ls /usr/bin/.ls
- mv /usr/bin/sudo /usr/bin/.sudo
- mv /usr/bin/tar /usr/bin/.tar
- mv /usr/bin/find /usr/bin/.find
- mv /usr/bin/chown /usr/bin/.chown
- crontab /var/.recovery
- mv /usr/bin/kill /usr/bin/.kill
- mv /usr/bin/pwd /usr/bin/.pwd
- <SAMPLE_FULL_PATH> e
- mv /usr/bin/cat /usr/bin/.cat
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.Gm1BLg
Creates folders:
- /var/web
Creates or modifies files:
- /var/temp_check_permissions
- /dev/watchdog
- /etc/default_dns.conf
- /tmp/.system
- /opt/cgo
- /var/kernal
- /var/web/media.jpg
- /var/.recovery
- /usr/lib/readdir.so
- /usr/bin/kill
- /var/spool/cron/crontabs/tmp.Gm1BLg
- /etc/systemd/system/redis.service
- /usr/bin/ls
- /etc/systemd/system/mysql.service
- /usr/bin/pwd
- /usr/bin/mkdir
- /usr/bin/rm
- /usr/bin/cat
- /usr/bin/grep
- /usr/bin/chmod
- /usr/bin/chown
- /usr/bin/sudo
- /usr/bin/top
- /usr/bin/tar
Deletes files:
- /var/temp_check_permissions
Mounts file systems:
- /var
Changes time of creation/access/modification of files:
- /var/spool/cron/crontabs
Network activity:
Establishes connection:
- 20#.##1.53.28:1234
Other:
Collects CPU information