title: Ke3chang Registry Key Modifications author: Markus Neis, Swisscom date: 2020/06/18 description: Detects Registry modifications performed by Ke3chang malware in campaigns running in 2019 and 2020 detection: SELECTION_1: EventID: 1 SELECTION_2: CommandLine: - '*-Property DWORD -name DisableFirstRunCustomize -value 2 -Force*' - '*-Property String -name Check_Associations -value*' - '*-Property DWORD -name IEHarden -value 0 -Force*' condition: (SELECTION_1 and SELECTION_2) falsepositives: - Will need to be looked for combinations of those processes id: 7b544661-69fc-419f-9a59-82ccc328f205 level: critical logsource: category: process_creation product: windows references: - https://www.verfassungsschutz.de/embed/broschuere-2020-06-bfv-cyber-brief-2020-01.pdf - https://unit42.paloaltonetworks.com/operation-ke3chang-resurfaces-with-new-tidepool-malware/ status: experimental tags: - attack.g0004 - attack.defense_evasion - attack.t1089 - attack.t1562.001 ruletype: SIGMA