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
- /usr/bin/wget
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/df /usr/bin/.df
- mv /usr/bin/chown /usr/bin/.chown
- <SAMPLE_FULL_PATH> e
- mv /usr/bin/tar /usr/bin/.tar
- mount -o bind /var /proc/548/
- mv /usr/bin/sudo /usr/bin/.sudo
- uname -r
- mv /usr/bin/ssh /usr/bin/.ssh
- mv /usr/bin/kill /usr/bin/.kill
- mv /usr/bin/wget /usr/bin/.wget
- mv /usr/bin/head /usr/bin/.head
- mv /usr/bin/ls /usr/bin/.ls
- mv /usr/bin/grep /usr/bin/.grep
- mv /usr/bin/find /usr/bin/.find
- uname -m
- mv /usr/bin/top /usr/bin/.top
- mv /usr/bin/pwd /usr/bin/.pwd
- mv /usr/bin/rm /usr/bin/.rm
- <SAMPLE_FULL_PATH> d
- crontab /var/.recovery
- mv /usr/bin/cat /usr/bin/.cat
- mv /usr/bin/chmod /usr/bin/.chmod
- mv /usr/bin/mkdir /usr/bin/.mkdir
Kills the following processes:
- rcu_tasks_trace
- scsi_eh_0
- scsi_tmf_0
- scsi_eh_1
- scsi_tmf_1
- ksoftirqd/0
- rcu_sched
- migration/0
- jbd2/sda1-8
- ext4-rsv-conver
- kworker/0:1
- cpuhp/0
- kdevtmpfs
- netns
- kauditd
- khungtaskd
- kthreadd
- oom_reaper
- writeback
- kcompactd0
- ksmd
- ttm_swap
- khugepaged
- rcu_gp
- kworker/u2:3
- kworker/0:0
- rcu_par_gp
- kintegrityd
- kblockd
- blkcg_punt_bio
- edac-poller
- devfreq_wq
- kworker/0:1H
- kswapd0
- kthrotld
- acpi_thermal_pm
- ipv6_addrconf
- 9bc2fd2a
- kworker/u2:1
- kworker/u2:2
- <SAMPLE>
- kworker/0:0H
- kstrp
- zswap-shrink
- kworker/u3:0
- kworker/u2:0
- mm_percpu_wq
- rcu_tasks_rude_
- kworker/0:2
- ata_sff
- logrotate
- cron
- mandb
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.ncxm02
Creates folders:
- /var/web
Creates or modifies files:
- /var/temp_check_permissions
- /usr/bin/kill
- /dev/watchdog
- /etc/default_dns.conf
- /tmp/.system
- /var/kernal
- /var/web/media.jpg
- /var/.recovery
- /opt/cgo
- /usr/bin/ls
- /usr/lib/readdir.so
- /var/spool/cron/crontabs/tmp.ncxm02
- /usr/bin/pwd
- /etc/systemd/system/redis.service
- /usr/bin/mkdir
- /etc/systemd/system/mysql.service
- /usr/bin/rm
- /usr/bin/cat
- /usr/bin/grep
- /usr/bin/chmod
- /usr/bin/chown
- /usr/bin/sudo
- /usr/bin/top
- /usr/bin/tar
- /usr/bin/find
- /usr/bin/ssh
- /usr/bin/wget
- /usr/bin/df
- /usr/bin/head
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
