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
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/ls /usr/bin/.ls
- uname -r
- uname -m
- mv /usr/bin/kill /usr/bin/.kill
- mount -o bind /var /proc/502/
- <SAMPLE_FULL_PATH> d
- crontab /var/.recovery
- <SAMPLE_FULL_PATH> e
Kills the following processes:
- rcu_sched
- rcu_bh
- kworker/u3:0
- jbd2/sda1-8
- ext4-rsv-conver
- migration/0
- cpuhp/0
- kdevtmpfs
- netns
- kauditd
- khungtaskd
- oom_reaper
- kthreadd
- writeback
- kcompactd0
- ksmd
- crypto
- kintegrityd
- kblockd
- ata_sff
- devfreq_wq
- watchdogd
- kworker/0:1H
- rcu_gp
- kswapd0
- kworker/0:1
- rcu_par_gp
- kthrotld
- ipv6_addrconf
- 9bc2fd2a
- kworker/u2:2
- kworker/0:0
- <SAMPLE>
- systemctl
- kstrp
- kworker/0:0H
- kworker/u2:0
- mm_percpu_wq
- ksoftirqd/0
- scsi_eh_0
- scsi_tmf_0
- scsi_eh_1
- scsi_tmf_1
- kworker/0:2
- kernal
- dash
- apt-config
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.NHy9Sm
Creates folders:
- /var/web
Creates or modifies files:
- /opt/cgo
- /etc/default_dns.conf
- /tmp/.system
- /dev/watchdog
- /var/kernal
- /var/web/media.jpg
- /var/.recovery
- /usr/lib/readdir.so
- /etc/systemd/system/redis.service
- /var/spool/cron/crontabs/tmp.NHy9Sm
- /etc/systemd/system/mysql.service
- /usr/bin/kill
- /usr/bin/ls
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#.##1.36.137:9090
Sends data to the following servers:
- 20#.##1.36.137:9090
Receives data from the following servers:
- 20#.##1.36.137:9090
Other:
Collects CPU information
Collects RAM information