""ET TROJAN CryptON/Nemesis/X3M Ransomware Onion Domain""

SID: 2024519

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_08_08, deployment Perimeter, malware_family Crypton, malware_family Nemesis, signature_severity Major, tag Ransomware_Onion_Domain, 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|gebdp3k7bolalnd4"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source