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XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f)

XCSSET is a macOS modular backdoor that targets Xcode application developers. XCSSET was first observed in August 2020 and has been used to install a backdoor component, modify browser applications, conduct collection, and provide ransomware-like encryption capabilities.(Citation: trendmicro xcsset xcode project 2020)

Cluster A Galaxy A Cluster B Galaxy B Level
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware GUI Input Capture - T1056.002 (a2029942-0a85-4947-b23c-ca434698171d) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Exploitation for Privilege Escalation - T1068 (b21c3b2d-02e6-45b1-980b-e69051040839) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Dynamic Linker Hijacking - T1574.006 (633a100c-b2c9-41bf-9be5-905c1b16c825) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Steal Web Session Cookie - T1539 (10ffac09-e42d-4f56-ab20-db94c67d76ff) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Exfiltration Over C2 Channel - T1041 (92d7da27-2d91-488e-a00c-059dc162766d) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware SSH Authorized Keys - T1098.004 (6b57dc31-b814-4a03-8706-28bc20d739c4) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Account Discovery - T1087 (72b74d71-8169-42aa-92e0-e7b04b9f5a08) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Compromise Software Dependencies and Development Tools - T1195.001 (191cc6af-1bb2-4344-ab5f-28e496638720) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Compromise Host Software Binary - T1554 (960c3c86-1480-4d72-b4e0-8c242e84a5c5) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Plist File Modification - T1647 (7d20fff9-8751-404e-badd-ccd71bda0236) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Screen Capture - T1113 (0259baeb-9f63-4c69-bf10-eb038c390688) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Gatekeeper Bypass - T1553.001 (31a0a2ac-c67c-4a7e-b9ed-6a96477d4e8e) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Data Encrypted for Impact - T1486 (b80d107d-fa0d-4b60-9684-b0433e8bdba0) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Hidden Files and Directories - T1564.001 (ec8fc7e2-b356-455c-8db5-2e37be158e7d) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware System Language Discovery - T1614.001 (c1b68a96-3c48-49ea-a6c0-9b27359f9c19) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Archive Collected Data - T1560 (53ac20cd-aca3-406e-9aa0-9fc7fdc60a5a) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Linux and Mac File and Directory Permissions Modification - T1222.002 (09b130a2-a77e-4af0-a361-f46f9aad1345) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Time Based Evasion - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Launch Daemon - T1543.004 (573ad264-1371-4ae0-8482-d2673b719dba) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Unix Shell - T1059.004 (a9d4b653-6915-42af-98b2-5758c4ceee56) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern 1
XCSSET - S0658 (e14085cb-0e8d-4be6-92ba-e3b93ee5978f) Malware Launchctl - T1569.001 (810aa4ad-61c9-49cb-993f-daa06199421d) Attack Pattern 1
GUI Input Capture - T1056.002 (a2029942-0a85-4947-b23c-ca434698171d) Attack Pattern Input Capture - T1056 (bb5a00de-e086-4859-a231-fa793f6797e2) Attack Pattern 2
Hijack Execution Flow - T1574 (aedfca76-3b30-4866-b2aa-0f1d7fd1e4b6) Attack Pattern Dynamic Linker Hijacking - T1574.006 (633a100c-b2c9-41bf-9be5-905c1b16c825) Attack Pattern 2
Account Manipulation - T1098 (a10641f4-87b4-45a3-a906-92a149cb2c27) Attack Pattern SSH Authorized Keys - T1098.004 (6b57dc31-b814-4a03-8706-28bc20d739c4) Attack Pattern 2
Supply Chain Compromise - T1195 (3f18edba-28f4-4bb9-82c3-8aa60dcac5f7) Attack Pattern Compromise Software Dependencies and Development Tools - T1195.001 (191cc6af-1bb2-4344-ab5f-28e496638720) Attack Pattern 2
Gatekeeper Bypass - T1553.001 (31a0a2ac-c67c-4a7e-b9ed-6a96477d4e8e) Attack Pattern Subvert Trust Controls - T1553 (b83e166d-13d7-4b52-8677-dff90c548fd7) Attack Pattern 2
Hidden Files and Directories - T1564.001 (ec8fc7e2-b356-455c-8db5-2e37be158e7d) Attack Pattern Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern 2
System Language Discovery - T1614.001 (c1b68a96-3c48-49ea-a6c0-9b27359f9c19) Attack Pattern System Location Discovery - T1614 (c877e33f-1df6-40d6-b1e7-ce70f16f4979) 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
File and Directory Permissions Modification - T1222 (65917ae0-b854-4139-83fe-bf2441cf0196) Attack Pattern Linux and Mac File and Directory Permissions Modification - T1222.002 (09b130a2-a77e-4af0-a361-f46f9aad1345) Attack Pattern 2
Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 2
Time Based Evasion - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0) Attack Pattern Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d) Attack Pattern 2
Launch Daemon - T1543.004 (573ad264-1371-4ae0-8482-d2673b719dba) Attack Pattern Create or Modify System Process - T1543 (106c0cf6-bf73-4601-9aa8-0945c2715ec5) Attack Pattern 2
Unix Shell - T1059.004 (a9d4b653-6915-42af-98b2-5758c4ceee56) Attack Pattern Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern 2
System Services - T1569 (d157f9d2-d09a-4efa-bb2a-64963f94e253) Attack Pattern Launchctl - T1569.001 (810aa4ad-61c9-49cb-993f-daa06199421d) Attack Pattern 2