Felismus
ID: S0171
ⓘ
Type: MALWARE
ⓘ
Platforms: Windows
Version: 1.1
Created: 16 January 2018
Last Modified: 30 March 2020
Techniques Used
| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1071 | .001 | Application Layer Protocol: Web Protocols | |
| Enterprise | T1059 | .003 | Command and Scripting Interpreter: Windows Command Shell | |
| Enterprise | T1132 | .001 | Data Encoding: Standard Encoding |
Some Felismus samples use a custom method for C2 traffic that utilizes Base64.[2] |
| Enterprise | T1573 | .001 | Encrypted Channel: Symmetric Cryptography |
Some Felismus samples use a custom encryption method for C2 traffic that utilizes AES and multiple keys.[2] |
| Enterprise | T1105 | Ingress Tool Transfer | ||
| Enterprise | T1036 | .005 | Masquerading: Match Legitimate Name or Location |
Felismus has masqueraded as legitimate Adobe Content Management System files.[3] |
| Enterprise | T1518 | .001 | Software Discovery: Security Software Discovery |
Felismus checks for processes associated with anti-virus vendors.[2] |
| Enterprise | T1082 | System Information Discovery |
Felismus collects the system information, including hostname and OS version, and sends it to the C2 server.[2] |
|
| Enterprise | T1016 | System Network Configuration Discovery |
Felismus collects the victim LAN IP address and sends it to the C2 server.[2] |
|
| Enterprise | T1033 | System Owner/User Discovery |
Felismus collects the current username and sends it to the C2 server.[2] |
|