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Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21)

Royal is ransomware that first appeared in early 2022; a version that also targets ESXi servers was later observed in February 2023. Royal employs partial encryption and multiple threads to evade detection and speed encryption. Royal has been used in attacks against multiple industries worldwide--including critical infrastructure. Security researchers have identified similarities in the encryption routines and TTPs used in Royal and Conti attacks and noted a possible connection between their operators.(Citation: Microsoft Royal ransomware November 2022)(Citation: Cybereason Royal December 2022)(Citation: Kroll Royal Deep Dive February 2023)(Citation: Trend Micro Royal Linux ESXi February 2023)(Citation: CISA Royal AA23-061A March 2023)

Cluster A Galaxy A Cluster B Galaxy B Level
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
System Network Configuration Discovery - T1016 (707399d6-ab3e-4963-9315-d9d3818cd6a0) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware Network Share Discovery - T1135 (3489cfc5-640f-4bb3-a103-9137b97de79f) Attack Pattern 1
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b) Attack Pattern 1
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware Inhibit System Recovery - T1490 (f5d8eed6-48a9-4cdf-a3d7-d1ffa99c3d2a) Attack Pattern 1
SMB/Windows Admin Shares - T1021.002 (4f9ca633-15c5-463c-9724-bdcd54fde541) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Network Service Discovery - T1046 (e3a12395-188d-4051-9a16-ea8e14d07b88) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Data Encrypted for Impact - T1486 (b80d107d-fa0d-4b60-9684-b0433e8bdba0) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware Service Stop - T1489 (20fb2507-d71c-455d-9b6d-6104461cf26b) Attack Pattern 1
SMB/Windows Admin Shares - T1021.002 (4f9ca633-15c5-463c-9724-bdcd54fde541) Attack Pattern Remote Services - T1021 (54a649ff-439a-41a4-9856-8d144a2551ba) Attack Pattern 2