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Home/ATT&CK/Software/S1245
MITRE ATT&CK Malware

InvisibleFerret (S1245)

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[InvisibleFerret](https://attack.mitre.org/software/S1245) 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](https://attack.mitre.org/software/S1245) consists of four modules: main, payload, browser, and AnyDesk.(Citation: ESET Contagious Interview BeaverTail InvisibleFerret February 2025) [InvisibleFerret](https://attack.mitre.org/software/S1245) malware has been leveraged by North Korea-affiliated threat actors identified as DeceptiveDevelopment or [Contagious Interview](https://attack.mitre.org/groups/G1052) 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](https://attack.mitre.org/software/S1245) has historically been introduced to the victim environment through the use of the [BeaverTail](https://attack.mitre.org/software/S1246) 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)

Platforms: Linux, macOS, Windows

▪Techniques implemented (35)

T1082System Information DiscoveryT1657Financial TheftT1083File and Directory Discovery

▪Used by groups (1)

G1052Contagious Interview
S1245 on MITRE ATT&CK →
T1056Input Capture
T1140Deobfuscate/Decode Files or Information
T1679Selective Exclusion
T1105Ingress Tool Transfer
T1518Software Discovery
T1057Process Discovery
T1056.001Keylogging
T1087.001Local Account
T1555.003Credentials from Web Browsers
T1016System Network Configuration Discovery
T1489Service Stop
T1033System Owner/User Discovery
T1543.001Launch Agent
T1547.013XDG Autostart Entries
T1219Remote Access Tools
T1614System Location Discovery
T1059.006Python
T1564.003Hidden Window
T1571Non-Standard Port
T1041Exfiltration Over C2 Channel
T1074.001Local Data Staging
T1555.005Password Managers
T1071.001Web Protocols
T1560.001Archive via Utility
T1547.001Registry Run Keys / Startup Folder
T1005Data from Local System
T1115Clipboard Data
T1027.013Encrypted/Encoded File
T1048.003Exfiltration Over Unencrypted Non-C2 Protocol
T1095Non-Application Layer Protocol
T1567Exfiltration Over Web Service
T1059.001PowerShell

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