MITRE ATT&CKsoftware (malware)
S1245 InvisibleFerret
- Domain
- enterprise
- Platforms
- Linux, macOS, Windows
- Version
- 1.0
- Created
- 2025-10-17
Description
InvisibleFerret is a modular python malware that is leveraged for data exfiltration and remote access capabilities. InvisibleFerret consists of four modules: main, payload, browser, and AnyDesk. InvisibleFerret malware has been leveraged by North Korea-affiliated threat actors identified as DeceptiveDevelopment or Contagious Interview since 2023. InvisibleFerret has historically been introduced to the victim environment through the use of the BeaverTail malware.
Related
Uses · MITRE ATT&CK (35)
- T1679 Selective Exclusion technique
- T1027.013 Encrypted/Encoded File sub-technique
- T1657 Financial Theft technique
- T1614 System Location Discovery technique
- T1555.005 Password Managers sub-technique
- T1048.003 Exfiltration Over Unencrypted Non-C2 Protocol sub-technique
- T1071.001 Web Protocols sub-technique
- T1571 Non-Standard Port technique
- T1074.001 Local Data Staging sub-technique
- T1564.003 Hidden Window sub-technique
- T1059.001 PowerShell sub-technique
- T1059.006 Python sub-technique
- T1567 Exfiltration Over Web Service technique
- T1087.001 Local Account sub-technique
- T1560.001 Archive via Utility sub-technique
- T1555.003 Credentials from Web Browsers sub-technique
- T1056.001 Keylogging sub-technique
- T1547.001 Registry Run Keys / Startup Folder sub-technique
- T1543.001 Launch Agent sub-technique
- T1518 Software Discovery technique
- T1547.013 XDG Autostart Entries sub-technique
- T1489 Service Stop technique
- T1219 Remote Access Tools technique
- T1140 Deobfuscate/Decode Files or Information technique
- T1005 Data from Local System technique
- T1016 System Network Configuration Discovery technique
- T1033 System Owner/User Discovery technique
- T1041 Exfiltration Over C2 Channel technique
- T1056 Input Capture technique
- T1057 Process Discovery technique
Referenced by MITRE ATT&CK · uses (1)
- G1052 Contagious Interview group
References
- https://www.esentire.com/blog/bored-beavertail-invisibleferret-yacht-club-a-lazarus-lure-pt-2 Esentire ContagiousInterview BeaverTail InvisibleFerret November 2024
- https://www.recordedfuture.com/research/inside-the-scam-north-koreas-it-worker-threat Recorded Future Contagious Inteview BeaverTail InvisibleFerret OtterCookie February 2025
- https://www.welivesecurity.com/en/eset-research/deceptivedevelopment-targets-freelance-developers/ ESET Contagious Interview BeaverTail InvisibleFerret February 2025
- https://www.zscaler.com/blogs/security-research/pyongyang-your-payroll-rise-north-korean-remote-workers-west Zscaler ContagiousInterview BeaverTail InvisibleFerret November 2024
- https://unit42.paloaltonetworks.com/two-campaigns-by-north-korea-bad-actors-target-job-hunters/ PaloAlto ContagiousInterview BeaverTail InvisibleFerret November 2023
- https://unit42.paloaltonetworks.com/north-korean-threat-actors-lure-tech-job-seekers-as-fake-recruiters/ PaloAlto Unit42 ContagiousInterview BeaverTail InvisibileFerret October 2024