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Linux.Siggen.2488

Added to the Dr.Web virus database: 2020-03-23

Virus description added:

Technical Information

Malicious functions:
Substitutes application name for:
  • authenticator
  • update_loop
  • line_forwarder
  • indexer-1
  • indexer-2
  • indexer-3
  • indexer-0
  • notify_event_receiver
  • TabNine-worker
  • server_comm
  • local-forwarder
  • autocomplete_worker
Launches processes:
  • <SAMPLE_FULL_PATH> --inner
  • xdg-open https://tabnine.com/welcome/
  • dbus-send --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager
  • xprop -root _DT_SAVE_MODE
  • grep = \\"xfce4\\"$
  • grep -i ^xfce_desktop_window
  • xprop -root
  • uname
  • grep -q ^file://
  • egrep -q ^[[:alpha:]+\.\-]+:
  • grep -E -q ^[[:alpha:]+\.\-]+:
  • www-browser https://tabnine.com/welcome/
  • gunzip
  • gzip -d
Performs operations with the file system:
Creates folders:
  • /root/.config
  • /root/.config/TabNine
  • /root/.config/TabNine/.atomicwrite.MhUOrZxqnoBr
  • /root/.w3m
Deletes folders:
  • /root/.config/TabNine/.atomicwrite.MhUOrZxqnoBr
Creates or modifies files:
  • /root/.config/TabNine/TabNineExample.toml
  • /root/.config/TabNine/.atomicwrite.MhUOrZxqnoBr/tmpfile.tmp
  • /root/.w3m/w3mtmp729-0.gz
Deletes files:
  • /root/.w3m/w3mtmp729-0.gz
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
  • 52.###.154.83:443
  • 34.###.26.42:443
  • 34.##2.97.6:443
DNS ASK:
  • ta##ine.com
Sends data to the following servers:
  • 52.###.154.83:443
Receives data from the following servers:
  • 52.###.154.83:443
Other:
Collects OS information
Collects RAM information
Collects information about network activity

Curing recommendations


Linux

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