Malware.View on attack.mitre.org
YAHOYAH is a Trojan used by Tropic Trooper as a second-stage backdoor.
| Technique | Procedure example |
|---|---|
| T1027.013 Encrypted/Encoded File |
YAHOYAH encrypts its configuration file using a simple algorithm. |
| T1071.001 Web Protocols |
YAHOYAH uses HTTP for C2. |
| T1082 System Information Discovery |
YAHOYAH checks for the system’s Windows OS version and hostname. |
| T1105 Ingress Tool Transfer |
YAHOYAH uses HTTP GET requests to download other files that are executed in memory. |
| T1140 Deobfuscate/Decode Files or Information |
YAHOYAH decrypts downloaded files before execution. |
| T1518.001 Security Software Discovery |
YAHOYAH checks for antimalware solution processes on the system. |
None recorded.
Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.