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
Substitutes application name for:
- bash
Launches processes:
- crontab -r >/dev/null 2>&1; echo \x22@reboot <SAMPLE_FULL_PATH>\x22 | crontab -
- crontab -r
- crontab -
- command -v php >/dev/null 2>&1
- /bin/sh /usr/bin/which apache2
- /bin/sh /usr/bin/which httpd
- which httpd
- /usr/sbin/xtables-nft-multi iptables -I INPUT -p tcp --dport 56758 -j ACCEPT
- command -v crontab >/dev/null 2>&1
- command -v nginx >/dev/null 2>&1
- iptables -I INPUT -p tcp --dport 56758 -j ACCEPT >/dev/null 2>&1
- which apache2
Kills the following processes:
- <SAMPLE>
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.1OwP2o
Creates or modifies files:
- /var/spool/cron/crontabs/tmp.1OwP2o
Changes time of creation/access/modification of files:
- /var/spool/cron/crontabs
Network activity:
Establishes connection:
- 95.###.19.53:853
- 21#.##0.70.42:853
- 17#.##4.22.166:853
- 81.###.136.222:853
- 18#.##1.61.24:853
- 8.#.8.8:853
- 14#.##.103.195:43782
Sends data to the following servers:
- 81.###.136.222:853
Receives data from the following servers:
- 81.###.136.222:853