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COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817)

COATHANGER is a remote access tool (RAT) targeting FortiGate networking appliances. First used in 2023 in targeted intrusions against military and government entities in the Netherlands along with other victims, COATHANGER was disclosed in early 2024, with a high confidence assessment linking this malware to a state-sponsored entity in the People's Republic of China. COATHANGER is delivered after gaining access to a FortiGate device, with in-the-wild observations linked to exploitation of CVE-2022-42475. The name COATHANGER is based on a unique string in the malware used to encrypt configuration files on disk: “She took his coat and hung it up”.(Citation: NCSC-NL COATHANGER Feb 2024)

Cluster A Galaxy A Cluster B Galaxy B Level
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Hidden Files and Directories - T1564.001 (ec8fc7e2-b356-455c-8db5-2e37be158e7d) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Exploit Public-Facing Application - T1190 (3f886f2a-874f-4333-b794-aa6075009b1c) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern 1
Launch Daemon - T1543.004 (573ad264-1371-4ae0-8482-d2673b719dba) Attack Pattern COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Rootkit - T1014 (0f20e3cb-245b-4a61-8a91-2d93f7cb0e9b) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Software Packing - T1027.002 (deb98323-e13f-4b0c-8d94-175379069062) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Linux and Mac Permissions - T1222.002 (09b130a2-a77e-4af0-a361-f46f9aad1345) Attack Pattern 1
Asymmetric Cryptography - T1573.002 (bf176076-b789-408e-8cba-7275e81c0ada) Attack Pattern COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c) Attack Pattern 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern 1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware 1
Dynamic Linker Hijacking - T1574.006 (633a100c-b2c9-41bf-9be5-905c1b16c825) Attack Pattern COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware 1
Hijack Execution Flow - T1574 (aedfca76-3b30-4866-b2aa-0f1d7fd1e4b6) Attack Pattern COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware 1
COATHANGER - S1105 (0c242cc5-58d3-4fe3-a866-b00a4b6fb817) Malware Unix Shell - T1059.004 (a9d4b653-6915-42af-98b2-5758c4ceee56) Attack Pattern 1
Hidden Files and Directories - T1564.001 (ec8fc7e2-b356-455c-8db5-2e37be158e7d) Attack Pattern Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern 2
Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69) Attack Pattern File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) 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
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern Software Packing - T1027.002 (deb98323-e13f-4b0c-8d94-175379069062) Attack Pattern 2
File and Directory Permissions Modification - T1222 (65917ae0-b854-4139-83fe-bf2441cf0196) Attack Pattern Linux and Mac Permissions - T1222.002 (09b130a2-a77e-4af0-a361-f46f9aad1345) Attack Pattern 2
Encrypted Channel - T1573 (b8902400-e6c5-4ba2-95aa-2d35b442b118) Attack Pattern Asymmetric Cryptography - T1573.002 (bf176076-b789-408e-8cba-7275e81c0ada) Attack Pattern 2
Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) 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
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern Unix Shell - T1059.004 (a9d4b653-6915-42af-98b2-5758c4ceee56) Attack Pattern 2