""ET TROJAN Win32/Filecoder Ransomware Variant .onion Proxy Domain (tkj3higtqlvohs7z)""

SID: 2020942

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_04_17, deployment Perimeter, malware_family Filecoder, signature_severity Major, tag Ransomware, updated_at 2019_08_28, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: any

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|10|tkj3higtqlvohs7z"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source