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Linux.Siggen.3128

Added to the Dr.Web virus database: 2020-06-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /var/spool/cron/crontabs/root
Malicious functions:
Launches itself as a daemon
Launches processes:
  • sh -c /root/LLbUgEWzVSyD -w 686
  • /root/LLbUgEWzVSyD -w 686
  • sh -c (crontab -l ; echo \"*/1 * * * * export DISPLAY=:0 && /root/.tmp00/bash >/dev/null 2>&1\") 2>&1 | grep -v \"no crontab\" | sort | uniq | crontab -
  • sort
  • grep -v no crontab
  • crontab -l
  • uniq
  • crontab -
  • /root/.tmp00/bash32 -c /root/.tmp00/cfgi
Kills the following processes:
  • <SAMPLE>
Performs operations with the file system:
Modifies file access rights:
  • /root/LLbUgEWzVSyD
  • /root/.tmp00/bash32
  • /root/.tmp00/bash
  • /var/spool/cron/crontabs/tmp.x3A3sF
  • /var/spool/cron/crontabs/tmp.t96DQo
  • /var/spool/cron/crontabs/tmp.3DIosM
  • /var/spool/cron/crontabs/tmp.tYEbEX
  • /var/spool/cron/crontabs/tmp.ZUcF8w
  • /var/spool/cron/crontabs/tmp.wnpsVb
  • /var/spool/cron/crontabs/tmp.BYDiFB
  • /var/spool/cron/crontabs/tmp.rcwcD6
  • /var/spool/cron/crontabs/tmp.T4HBsM
  • /var/spool/cron/crontabs/tmp.KwGGt2
  • /var/spool/cron/crontabs/tmp.hayzCS
  • /var/spool/cron/crontabs/tmp.5NMz6n
Creates folders:
  • /root/.tmp00
Creates or modifies files:
  • /root/.tmp00/uuid
  • /root/.tmp00/bash.pid
  • /root/LLbUgEWzVSyD
  • /root/.tmp00/c4ca4238a0b923820dccv2.1.0
  • /root/.tmp00/bash32
  • /root/.tmp00/cfgi
  • /root/.tmp00/cfg
  • /root/.tmp00/bash
  • /var/spool/cron/crontabs/tmp.x3A3sF
  • /var/spool/cron/crontabs/tmp.t96DQo
  • /var/spool/cron/crontabs/tmp.3DIosM
  • /var/spool/cron/crontabs/tmp.tYEbEX
  • /var/spool/cron/crontabs/tmp.ZUcF8w
  • /var/spool/cron/crontabs/tmp.wnpsVb
  • /var/spool/cron/crontabs/tmp.BYDiFB
  • /var/spool/cron/crontabs/tmp.rcwcD6
  • /var/spool/cron/crontabs/tmp.T4HBsM
  • /var/spool/cron/crontabs/tmp.KwGGt2
  • /var/spool/cron/crontabs/tmp.hayzCS
  • /var/spool/cron/crontabs/tmp.5NMz6n
Deletes files:
  • /root/LLbUgEWzVSyD
Network activity:
Establishes connection:
  • 18#.##.145.5:443
  • 5.###.224.64:6476
DNS ASK:
  • pa##0x.ru
Sends data to the following servers:
  • 18#.##.145.5:443
  • 5.###.224.64:6476
Receives data from the following servers:
  • 18#.##.145.5:443
  • 5.###.224.64:6476
Other:
Collects CPU information
Collects RAM information

Curing recommendations

Linux

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