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SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59)

SombRAT is a modular backdoor written in C++ that has been used since at least 2019 to download and execute malicious payloads, including FIVEHANDS ransomware.(Citation: BlackBerry CostaRicto November 2020)(Citation: FireEye FiveHands April 2021)(Citation: CISA AR21-126A FIVEHANDS May 2021)

Cluster A Galaxy A Cluster B Galaxy B Level
Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b) Attack Pattern 1
Process Argument Spoofing - T1564.010 (ffe59ad3-ad9b-4b9f-b74f-5beb3c309dc1) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Asymmetric Cryptography - T1573.002 (bf176076-b789-408e-8cba-7275e81c0ada) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
System Time Discovery - T1124 (f3c544dc-673c-4ef3-accb-53229f1ae077) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Archive via Custom Method - T1560.003 (143c0cbb-a297-4142-9624-87ffc778980b) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Exfiltration Over C2 Channel - T1041 (92d7da27-2d91-488e-a00c-059dc162766d) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Domain Generation Algorithms - T1568.002 (118f61a5-eb3e-4fb6-931f-2096647f4ecd) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Local Data Staging - T1074.001 (1c34f7aa-9341-4a48-bfab-af22e51aca6c) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Proxy - T1090 (731f4f55-b6d0-41d1-a7a9-072a66389aea) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware System Service Discovery - T1007 (322bad5a-1c49-4d23-ab79-76d641794afa) Attack Pattern 1
Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern SombRAT - S0615 (425771c5-48b4-4ecd-9f95-74ed3fc9da59) Malware 1
Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d) Attack Pattern Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945) Attack Pattern 2
Process Argument Spoofing - T1564.010 (ffe59ad3-ad9b-4b9f-b74f-5beb3c309dc1) Attack Pattern Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern 2
Asymmetric Cryptography - T1573.002 (bf176076-b789-408e-8cba-7275e81c0ada) Attack Pattern Encrypted Channel - T1573 (b8902400-e6c5-4ba2-95aa-2d35b442b118) Attack Pattern 2
Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) Attack Pattern DNS - T1071.004 (1996eef1-ced3-4d7f-bf94-33298cabbf72) Attack Pattern 2
Archive via Custom Method - T1560.003 (143c0cbb-a297-4142-9624-87ffc778980b) Attack Pattern Archive Collected Data - T1560 (53ac20cd-aca3-406e-9aa0-9fc7fdc60a5a) Attack Pattern 2
Domain Generation Algorithms - T1568.002 (118f61a5-eb3e-4fb6-931f-2096647f4ecd) Attack Pattern Dynamic Resolution - T1568 (7bd9c723-2f78-4309-82c5-47cad406572b) Attack Pattern 2
Local Data Staging - T1074.001 (1c34f7aa-9341-4a48-bfab-af22e51aca6c) Attack Pattern Data Staged - T1074 (7dd95ff6-712e-4056-9626-312ea4ab4c5e) 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
Encrypted Channel - T1573 (b8902400-e6c5-4ba2-95aa-2d35b442b118) Attack Pattern Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41) Attack Pattern 2