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:
- 22lk2wrr5euvfcf3
Launches processes:
- sh -c crontab -r
- crontab -r
- sh -c (crontab -l 2>/dev/null; echo \"* * * * * <SAMPLE_FULL_PATH> > /dev/null 2>&1 &\") | crontab -
- crontab -
- crontab -l
- sh -c (crontab -l 2>/dev/null; echo \"* * * * * /dev/shm/<SAMPLE> > /dev/null 2>&1 &\") | crontab -
- sh -c (crontab -l 2>/dev/null; echo \"* * * * * /var/tmp/<SAMPLE> > /dev/null 2>&1 &\") | crontab -
- sh -c (crontab -l 2>/dev/null; echo \"* * * * * /var/lock/<SAMPLE> > /dev/null 2>&1 &\") | crontab -
- sh -c (crontab -l 2>/dev/null; echo \"* * * * * /var/run/<SAMPLE> > /dev/null 2>&1 &\") | crontab -
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.YxbJ2n
- /var/spool/cron/crontabs/tmp.JgtDsQ
- /var/spool/cron/crontabs/tmp.aQsuIJ
- /var/spool/cron/crontabs/tmp.8uGOpZ
- /var/spool/cron/crontabs/tmp.2iUQgL
Creates or modifies files:
- /var/spool/cron/crontabs/tmp.YxbJ2n
- /dev/shm/<SAMPLE>
- /var/spool/cron/crontabs/tmp.JgtDsQ
- /var/tmp/<SAMPLE>
- /var/spool/cron/crontabs/tmp.aQsuIJ
- /var/lock/<SAMPLE>
- /run/lock/<SAMPLE>
- /var/spool/cron/crontabs/tmp.8uGOpZ
- /var/run/<SAMPLE>
- /run/<SAMPLE>
- /var/spool/cron/crontabs/tmp.2iUQgL
Network activity:
Awaits incoming connections on ports:
- 127.0.0.1:48102
Establishes connection:
- 8.#.8.8:53
Connects to the following servers over the IRC protocol:
- Server: 46.##9.233.35; Command: NICK x86|c|1|205860|box-amd64 \n
- Server: 46.##9.233.35; Command: USER mb localhost 0 :2018 \n
- Server: 46.##9.233.35; Command: PONG :6AC59B2F \n
- Server: 46.##9.233.35; Command: JOIN #8 \n
Other:
Collects CPU information