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
Substitutes application name for:
- systemd
Replaces the following system files:
- /usr/bin/grep
Manages services:
- ['systemctl', 'daemon-reload', 'redis.service']
- ['systemctl', 'enable ', 'redis.service']
- ['systemctl', 'daemon-reload', 'mysql.service']
- ['systemctl', 'enable ', 'mysql.service']
Launches processes:
- uname -r
- uname -m
- crontab /var/.recovery
- <SAMPLE_FULL_PATH> e
- <SAMPLE_FULL_PATH> d
- mount -o bind /var /proc/496/
Kills the following processes:
- rcu_sched
- rcu_bh
- kworker/u3:0
- jbd2/sda1-8
- ext4-rsv-conver
- migration/0
- kworker/0:1
- 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/0:0
- rcu_par_gp
- kthrotld
- ipv6_addrconf
- 9bc2fd2a
- kworker/u2:2
- <SAMPLE>
- 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
- install
- gzip
- apt-config
- dpkg
- dash
- systemctl
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.Z8bk8S
Creates folders:
- /var/web
Creates or modifies files:
- /usr/bin/.kill
- /usr/bin/kill
- /usr/bin/.ls
- /usr/bin/ls
- /usr/bin/.pwd
- /usr/bin/pwd
- /usr/bin/.mkdir
- /usr/bin/mkdir
- /usr/bin/.rm
- /usr/bin/rm
- /usr/bin/.cat
- /usr/bin/cat
- /etc/default_dns.conf
- /tmp/.system
- /dev/watchdog
- /opt/cgo
- /var/kernal
- /usr/bin/.grep
- /var/web/media.jpg
- /usr/lib/readdir.so
- /var/.recovery
- /usr/bin/.chmod
- /usr/bin/chmod
- /etc/systemd/system/redis.service
- /usr/bin/.chown
- /usr/bin/chown
- /var/spool/cron/crontabs/tmp.Z8bk8S
- /etc/systemd/system/mysql.service
- /usr/bin/.sudo
- /usr/bin/sudo
- /usr/bin/.top
- /usr/bin/top
- /usr/bin/.tar
- /usr/bin/tar
- /usr/bin/.find
- /usr/bin/find
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:
- 8.#.8.8:53
- 15#.#.235.76:55655
Sends data to the following servers:
- 8.#.8.8:53
- 15#.#.235.76:55655
Receives data from the following servers:
- 8.#.8.8:53
- 15#.#.235.76:55655
Other:
Collects CPU information
Collects RAM information