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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
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware Inhibit System Recovery - T1490 (f5d8eed6-48a9-4cdf-a3d7-d1ffa99c3d2a) Attack Pattern 1
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware SMB/Windows Admin Shares - T1021.002 (4f9ca633-15c5-463c-9724-bdcd54fde541) Attack Pattern 1
Local Storage Discovery - T1680 (f2514ae4-4e9b-4f26-a5ba-c4ae85fe93c3) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Hypervisor CLI - T1059.012 (d2d642da-61ff-4211-b4df-7923c9ca220c) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Network Share Discovery - T1135 (3489cfc5-640f-4bb3-a103-9137b97de79f) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Phishing - T1566 (a62a8db3-f23a-4d8f-afd6-9dbc77e7813b) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b) Attack Pattern 1
Network Service Discovery - T1046 (e3a12395-188d-4051-9a16-ea8e14d07b88) 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
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern 1
System Network Configuration Discovery - T1016 (707399d6-ab3e-4963-9315-d9d3818cd6a0) 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
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware 1
Royal - S1073 (802a874d-7463-4f2a-99e3-6a1f5a919a21) Malware File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern 1
Remote Services - T1021 (54a649ff-439a-41a4-9856-8d144a2551ba) Attack Pattern SMB/Windows Admin Shares - T1021.002 (4f9ca633-15c5-463c-9724-bdcd54fde541) Attack Pattern 2
Hypervisor CLI - T1059.012 (d2d642da-61ff-4211-b4df-7923c9ca220c) Attack Pattern Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern 2