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InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491)

InvisibleFerret is a modular python malware that is leveraged for data exfiltration and remote access capabilities.(Citation: ESET Contagious Interview BeaverTail InvisibleFerret February 2025)(Citation: Zscaler ContagiousInterview BeaverTail InvisibleFerret November 2024)(Citation: PaloAlto ContagiousInterview BeaverTail InvisibleFerret November 2023) InvisibleFerret consists of four modules: main, payload, browser, and AnyDesk.(Citation: ESET Contagious Interview BeaverTail InvisibleFerret February 2025) InvisibleFerret malware has been leveraged by North Korea-affiliated threat actors identified as DeceptiveDevelopment or Contagious Interview since 2023.(Citation: Recorded Future Contagious Inteview BeaverTail InvisibleFerret OtterCookie February 2025)(Citation: Zscaler ContagiousInterview BeaverTail InvisibleFerret November 2024)(Citation: PaloAlto ContagiousInterview BeaverTail InvisibleFerret November 2023)(Citation: PaloAlto Unit42 ContagiousInterview BeaverTail InvisibileFerret October 2024) InvisibleFerret has historically been introduced to the victim environment through the use of the BeaverTail malware.(Citation: Esentire ContagiousInterview BeaverTail InvisibleFerret November 2024)(Citation: ESET Contagious Interview BeaverTail InvisibleFerret February 2025)(Citation: Zscaler ContagiousInterview BeaverTail InvisibleFerret November 2024)(Citation: PaloAlto ContagiousInterview BeaverTail InvisibleFerret November 2023)(Citation: PaloAlto Unit42 ContagiousInterview BeaverTail InvisibileFerret October 2024)

Cluster A Galaxy A Cluster B Galaxy B Level
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104) Attack Pattern 1
Selective Exclusion - T1679 (9b00925a-7c4b-4e53-bfc8-9a6a806fde03) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Local Data Staging - T1074.001 (1c34f7aa-9341-4a48-bfab-af22e51aca6c) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware File and Directory Discovery - T1083 (7bc57495-ea59-4380-be31-a64af124ef18) Attack Pattern 1
Exfiltration Over Web Service - T1567 (40597f16-0963-4249-bf4c-ac93b7fb9807) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware Archive via Utility - T1560.001 (00f90846-cbd1-4fc5-9233-df5c2bf2a662) Attack Pattern 1
Hidden Window - T1564.003 (cbb66055-0325-4111-aca0-40547b6ad5b0) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Remote Access Tools - T1219 (4061e78c-1284-44b4-9116-73e4ac3912f7) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Non-Standard Port - T1571 (b18eae87-b469-4e14-b454-b171b416bc18) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Local Account - T1087.001 (25659dd6-ea12-45c4-97e6-381e3e4b593e) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Input Capture - T1056 (bb5a00de-e086-4859-a231-fa793f6797e2) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware Credentials from Web Browsers - T1555.003 (58a3e6aa-4453-4cc8-a51f-4befe80b31a8) Attack Pattern 1
Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b) Attack Pattern 1
Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
System Location Discovery - T1614 (c877e33f-1df6-40d6-b1e7-ce70f16f4979) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Python - T1059.006 (cc3502b5-30cc-4473-ad48-42d51a6ef6d1) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Exfiltration Over Unencrypted Non-C2 Protocol - T1048.003 (fb8d023d-45be-47e9-bc51-f56bcae6435b) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware Clipboard Data - T1115 (30973a08-aed9-4edf-8604-9084ce1b5c4f) Attack Pattern 1
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Service Stop - T1489 (20fb2507-d71c-455d-9b6d-6104461cf26b) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware Data from Local System - T1005 (3c4a2599-71ee-4405-ba1e-0e28414b4bc5) Attack Pattern 1
Exfiltration Over C2 Channel - T1041 (92d7da27-2d91-488e-a00c-059dc162766d) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
System Network Configuration Discovery - T1016 (707399d6-ab3e-4963-9315-d9d3818cd6a0) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Financial Theft - T1657 (851e071f-208d-4c79-adc6-5974c85c78f3) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Launch Agent - T1543.001 (d10cbd34-42e3-45c0-84d2-535a09849584) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
Password Managers - T1555.005 (315f51f0-6b03-4c1e-bfb2-84740afb8e21) Attack Pattern InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware XDG Autostart Entries - T1547.013 (e0232cb0-ded5-4c2e-9dc7-2893142a5c11) Attack Pattern 1
InvisibleFerret - S1245 (1dac60f2-7d53-4a3e-95d1-cb2e875d5491) Malware Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern 1
Local Data Staging - T1074.001 (1c34f7aa-9341-4a48-bfab-af22e51aca6c) Attack Pattern Data Staged - T1074 (7dd95ff6-712e-4056-9626-312ea4ab4c5e) Attack Pattern 2
Archive Collected Data - T1560 (53ac20cd-aca3-406e-9aa0-9fc7fdc60a5a) Attack Pattern Archive via Utility - T1560.001 (00f90846-cbd1-4fc5-9233-df5c2bf2a662) Attack Pattern 2
Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern Hidden Window - T1564.003 (cbb66055-0325-4111-aca0-40547b6ad5b0) Attack Pattern 2
Local Account - T1087.001 (25659dd6-ea12-45c4-97e6-381e3e4b593e) Attack Pattern Account Discovery - T1087 (72b74d71-8169-42aa-92e0-e7b04b9f5a08) Attack Pattern 2
Credentials from Password Stores - T1555 (3fc9b85a-2862-4363-a64d-d692e3ffbee0) Attack Pattern Credentials from Web Browsers - T1555.003 (58a3e6aa-4453-4cc8-a51f-4befe80b31a8) Attack Pattern 2
Input Capture - T1056 (bb5a00de-e086-4859-a231-fa793f6797e2) Attack Pattern Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4) Attack Pattern 2
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736) Attack Pattern 2
Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern Encrypted/Encoded File - T1027.013 (0d91b3c0-5e50-47c3-949a-2a796f04d144) Attack Pattern 2
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern Python - T1059.006 (cc3502b5-30cc-4473-ad48-42d51a6ef6d1) Attack Pattern 2
Exfiltration Over Unencrypted Non-C2 Protocol - T1048.003 (fb8d023d-45be-47e9-bc51-f56bcae6435b) Attack Pattern Exfiltration Over Alternative Protocol - T1048 (a19e86f8-1c0a-4fea-8407-23b73d615776) 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
Launch Agent - T1543.001 (d10cbd34-42e3-45c0-84d2-535a09849584) Attack Pattern Create or Modify System Process - T1543 (106c0cf6-bf73-4601-9aa8-0945c2715ec5) Attack Pattern 2
Credentials from Password Stores - T1555 (3fc9b85a-2862-4363-a64d-d692e3ffbee0) Attack Pattern Password Managers - T1555.005 (315f51f0-6b03-4c1e-bfb2-84740afb8e21) Attack Pattern 2
XDG Autostart Entries - T1547.013 (e0232cb0-ded5-4c2e-9dc7-2893142a5c11) Attack Pattern Boot or Logon Autostart Execution - T1547 (1ecb2399-e8ba-4f6b-8ba7-5c27d49405cf) 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