S1166 Solar
Solar is a C#/.NET backdoor that was used by OilRig during the Outer Space campaign to download, execute, and exfiltrate files.1
| Item | Value |
|---|---|
| ID | S1166 |
| Associated Names | |
| Type | MALWARE |
| Version | 1.0 |
| Created | 21 November 2024 |
| Last Modified | 27 November 2024 |
| Navigation Layer | View In ATT&CK® Navigator |
Techniques Used
| Domain | ID | Name | Use |
|---|---|---|---|
| enterprise | T1020 | Automated Exfiltration | Solar can automatically exfitrate files from compromised systems.1 |
| enterprise | T1132 | Data Encoding | - |
| enterprise | T1132.001 | Standard Encoding | Solar can Base64-encode and gzip compress C2 communications including command outputs.1 |
| enterprise | T1573 | Encrypted Channel | - |
| enterprise | T1573.001 | Symmetric Cryptography | Solar can XOR encrypt C2 communications.1 |
| enterprise | T1041 | Exfiltration Over C2 Channel | Solar can send staged files to C2 for exfiltration.1 |
| enterprise | T1070 | Indicator Removal | - |
| enterprise | T1070.004 | File Deletion | Solar has the ability to delete staged files after they are uploaded to C2.1 |
| enterprise | T1105 | Ingress Tool Transfer | Solar has the ability to download and execute files.1 |
| enterprise | T1053 | Scheduled Task/Job | - |
| enterprise | T1053.005 | Scheduled Task | Solar can create scheduled tasks named Earth and Venus, which run every 30 and 40 seconds respectively, to support C2 and exfiltration.1 |
| enterprise | T1082 | System Information Discovery | Solar can send basic information about the infected host to C2.1 |
Groups That Use This Software
| ID | Name | References |
|---|---|---|
| G0049 | OilRig | 1 |