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
- watchdogd
Launches processes:
- iptables -I INPUT -p tcp --dport 19862 -j ACCEPT
- crontab -
- echo \x22@reboot <SAMPLE_FULL_PATH>\x22 | crontab -
- crontab -l
- /usr/sbin/xtables-nft-multi iptables -I INPUT -p tcp --dport 19862 -j ACCEPT
Kills the following processes:
- <SAMPLE>
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.w9AAFr
Creates or modifies files:
- /var/spool/cron/crontabs/tmp.w9AAFr
Changes time of creation/access/modification of files:
- /var/spool/cron/crontabs
Network activity:
Awaits incoming connections on ports:
- 0.0.0.0:19862
Establishes connection:
- 0.0.0.0:43782
- 45.##.147.236:2137
DNS ASK:
- xm#####l.asyncfox.xyz
- c2.##yncfox.xyz
Sends data to the following servers:
- 45.##.147.236:2137
Receives data from the following servers:
- 127.0.0.1:43782
- 45.##.147.236:2137
Other:
Collects CPU information
Collects RAM information
