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Linux.BtcMine.35

Added to the Dr.Web virus database: 2017-11-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/acpidtd
  • /etc/init.d/wipefs
  • /etc/rc.d/rc*.d/S01wipefs
  • /etc/crontab
  • /etc/rc.d/rc*.d/S01acpidtd
Creates or modifies the following symlinks:
  • /etc/init.d/wipefs
  • /etc/rc0.d/S01wipefs
  • /etc/rc1.d/S01wipefs
  • /etc/rc2.d/S01wipefs
  • /etc/rc3.d/S01wipefs
  • /etc/rc4.d/S01wipefs
  • /etc/rc5.d/S01wipefs
  • /etc/rc6.d/S01wipefs
  • /etc/rc0.d/S01acpidtd
  • /etc/rc1.d/S01acpidtd
  • /etc/rc2.d/S01acpidtd
  • /etc/rc3.d/S01acpidtd
  • /etc/rc4.d/S01acpidtd
  • /etc/rc5.d/S01acpidtd
  • /etc/rc6.d/S01acpidtd
Malicious functions:
Launches itself as a daemon
Replaces the following system files:
  • /bin/ss
  • /bin/netstat
Launches processes:
  • sh -c
  • sh -c /tmp/tmpnam_JMLPLa upgrade >/dev/null 2>&1; rm /tmp/tmpnam_JMLPLa >/dev/null 2>&1
  • cp -f <SAMPLE_FULL_PATH> /bin/wipefs
  • /tmp/tmpnam_JMLPLa upgrade
  • /bin/sh ##which ss 1>/dev/null 2>&1
  • which ss
  • /bin/sh ##which ss
  • ln -fs /bin/wipefs /etc/init.d/wipefs
  • ln -fs /etc/init.d/wipefs /etc/rc0.d/S01wipefs
  • /bin/sh ##which netstat 1>/dev/null 2>&1
  • ln -fs /etc/init.d/wipefs /etc/rc1.d/S01wipefs
  • which netstat
  • ln -fs /etc/init.d/wipefs /etc/rc2.d/S01wipefs
  • ln -fs /etc/init.d/wipefs /etc/rc3.d/S01wipefs
  • ln -fs /etc/init.d/wipefs /etc/rc4.d/S01wipefs
  • ln -fs /etc/init.d/wipefs /etc/rc5.d/S01wipefs
  • /bin/sh ##chattr -i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat 1>/dev/null 2>&1
  • ln -fs /etc/init.d/wipefs /etc/rc6.d/S01wipefs
  • chattr -i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat
  • ln -fs /etc/init.d/wipefs /etc/rc.d/rc0.d/S01wipefs
  • ln -fs /etc/init.d/wipefs /etc/rc.d/rc1.d/S01wipefs
  • /bin/sh ##cp -f /tmp/tmpnam_JMLPLa /bin/ddus-uidge
  • ln -fs /etc/init.d/wipefs /etc/rc.d/rc2.d/S01wipefs
  • cp -f /tmp/tmpnam_JMLPLa /bin/ddus-uidgen
  • ln -fs /etc/init.d/wipefs /etc/rc.d/rc3.d/S01wipefs
  • ln -fs /etc/init.d/wipefs /etc/rc.d/rc4.d/S01wipefs
  • cp -f /bin/ddus-uidgen /etc/init.d/acpidtd
  • ln -fs /etc/init.d/wipefs /etc/rc.d/rc5.d/S01wipefs
  • /bin/sh ##chmod +x /bin/scss 1>/dev/null 2>&1;
  • chmod +x /bin/scss
  • ln -fs /etc/init.d/acpidtd /etc/rc0.d/S01acpidtd
  • ln -fs /etc/init.d/wipefs /etc/rc.d/rc6.d/S01wipefs
  • ##cp -f /tmp/tmpnam_JMLPLa /bin/ss 1>/dev/null 2>&1;touch -r /bin/sh /bin/ss /bin/scss 1>/dev/null 2>&1;
  • ln -fs /etc/init.d/acpidtd /etc/rc1.d/S01acpidtd
  • touch -r /bin/sh /bin/wipefs /etc/init.d/wipefs /etc/rc.d/rc*.d/S01wipefs
  • ln -fs /etc/init.d/acpidtd /etc/rc2.d/S01acpidtd
  • cp -f /tmp/tmpnam_JMLPLa /bin/ss
  • ln -fs /etc/init.d/acpidtd /etc/rc3.d/S01acpidtd
  • sh -c cat /etc/crontab
  • ln -fs /etc/init.d/acpidtd /etc/rc4.d/S01acpidtd
  • cat /etc/crontab
  • ln -fs /etc/init.d/acpidtd /etc/rc5.d/S01acpidtd
  • sh -c echo '0 */6 * * * root /bin/wipefs' >> /etc/crontab
  • touch -r /bin/sh /bin/ss /bin/scss
  • ln -fs /etc/init.d/acpidtd /etc/rc6.d/S01acpidtd
  • sh -c sysctl -w vm.nr_hugepages=128 >/dev/null 2>&1
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc0.d/S01acpidtd
  • sysctl -w vm.nr_hugepages=128
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc1.d/S01acpidtd
  • sh -c sysctl -p >/dev/null 2>&1
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc2.d/S01acpidtd
  • sysctl -p
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc3.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc4.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc5.d/S01acpidtd
  • ln -fs /etc/init.d/acpidtd /etc/rc.d/rc6.d/S01acpidtd
  • /bin/sh ##chattr +i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat 1>/dev/null 2>&1
  • touch -r /bin/sh /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd
  • chattr +i /bin/ddus-uidgen /etc/init.d/acpidtd /etc/rc.d/rc*.d/S01acpidtd /bin/ss /bin/scss /bin/netstat /bin/scnetstat
  • /bin/sh ##chmod +x /bin/scnetstat 1>/dev/null 2>&1;
  • sh -c (touch /tmp/tmplog; chmod 666 /tmp/tmplog) >/dev/null 2>&1
  • chmod +x /bin/scnetstat
  • touch /tmp/tmplog
  • ##cp -f /tmp/tmpnam_JMLPLa /bin/netstat 1>/dev/null 2>&1;touch -r /bin/sh /bin/netstat /bin/scnetstat 1>/dev/null 2>&1;
  • chmod 666 /tmp/tmplog
  • cp -f /tmp/tmpnam_JMLPLa /bin/netstat
  • touch -r /bin/sh /bin/netstat /bin/scnetstat
  • rm /tmp/tmpnam_JMLPLa
Performs operations with the file system:
Modifies file access rights:
  • /tmp/tmpnam_JMLPLa
  • /bin/scss
  • /bin/scnetstat
  • /tmp/tmplog
Creates or modifies files:
  • /etc/resolv.conf
  • /tmp/tmpnam_JMLPLa
  • /bin/wipefs
  • /bin/ddus-uidgen
  • /bin/scss
  • /proc/sys/vm/nr_hugepages
  • /bin/scnetstat
  • /tmp/tmplog
Deletes files:
  • /tmp/tmpnam_JMLPLa
Network activity:
Establishes connection:
  • 16#.##.30.212:8525
  • 21#.##9.13.124:443
  • 11#.##.33.59:1488
  • 58.##.32.135:4545
DNS ASK:
  • xm#.##ypto-pool.fr
Sends data to the following servers:
  • 21#.##9.13.124:443
Receives data from the following servers:
  • 21#.##9.13.124:443
Other:
Collects CPU information

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