RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)

RCSession is a backdoor written in C++ that has been in use since at least 2018 by Mustang Panda and by Threat Group-3390 (Type II Backdoor).(Citation: Secureworks BRONZE PRESIDENT December 2019)(Citation: Trend Micro Iron Tiger April 2021)(Citation: Trend Micro DRBControl February 2020)

Cluster A	Galaxy A	Cluster B	Galaxy B	Level
DLL Side-Loading - T1574.002 (e64c62cf-9cd7-4a14-94ec-cdaac43ab44b)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add)	Attack Pattern	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b)	Attack Pattern	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Fileless Storage - T1027.011 (02c5abff-30bf-4703-ab92-1f6072fae939)	Attack Pattern	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62)	Attack Pattern	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4)	Attack Pattern	1
Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Encrypted Channel - T1573 (b8902400-e6c5-4ba2-95aa-2d35b442b118)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104)	Attack Pattern	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279)	Attack Pattern	1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Process Hollowing - T1055.012 (b200542e-e877-4395-875b-cf1a44537ca4)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Modify Registry - T1112 (57340c81-c025-4189-8fa0-fc7ede51bae4)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Screen Capture - T1113 (0259baeb-9f63-4c69-bf10-eb038c390688)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
Msiexec - T1218.007 (365be77f-fc0e-42ee-bac8-4faf806d9336)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Bypass User Account Control - T1548.002 (120d5519-3098-4e1c-9191-2aa61232f073)	Attack Pattern	1
RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161)	Attack Pattern	1
Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0)	Attack Pattern	RCSession - S0662 (03acae53-9b98-46f6-b204-16b930839055)	Malware	1
DLL Side-Loading - T1574.002 (e64c62cf-9cd7-4a14-94ec-cdaac43ab44b)	Attack Pattern	Hijack Execution Flow - T1574 (aedfca76-3b30-4866-b2aa-0f1d7fd1e4b6)	Attack Pattern	2
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a)	Attack Pattern	Fileless Storage - T1027.011 (02c5abff-30bf-4703-ab92-1f6072fae939)	Attack Pattern	2
Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62)	Attack Pattern	Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830)	Attack Pattern	2
Input Capture - T1056 (bb5a00de-e086-4859-a231-fa793f6797e2)	Attack Pattern	Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4)	Attack Pattern	2
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279)	Attack Pattern	Boot or Logon Autostart Execution - T1547 (1ecb2399-e8ba-4f6b-8ba7-5c27d49405cf)	Attack Pattern	2
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144)	Attack Pattern	Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a)	Attack Pattern	2
Process Hollowing - T1055.012 (b200542e-e877-4395-875b-cf1a44537ca4)	Attack Pattern	Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d)	Attack Pattern	2
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c)	Attack Pattern	Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69)	Attack Pattern	2
Msiexec - T1218.007 (365be77f-fc0e-42ee-bac8-4faf806d9336)	Attack Pattern	System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4)	Attack Pattern	2
Abuse Elevation Control Mechanism - T1548 (67720091-eee3-4d2d-ae16-8264567f6f5b)	Attack Pattern	Bypass User Account Control - T1548.002 (120d5519-3098-4e1c-9191-2aa61232f073)	Attack Pattern	2
Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6)	Attack Pattern	Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161)	Attack Pattern	2