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Smoke Loader is a malicious bot application that can be used to load other malware.
Smoke Loader has been seen in the wild since at least 2011 and has included a number of different payloads. It is notorious for its use of deception and self-protection. It also comes with several plug-ins.
| Technique | Procedure example |
|---|---|
| T1027.013 Encrypted/Encoded File |
Smoke Loader uses a simple one-byte XOR method to obfuscate values in the malware. |
| T1053.005 Scheduled Task |
Smoke Loader launches a scheduled task. |
| T1055 Process Injection |
Smoke Loader injects into the Internet Explorer process. |
| T1055.012 Process Hollowing |
Smoke Loader spawns a new copy of c:\windows\syswow64\explorer.exe and then replaces the executable code in memory with malware. |
| T1059.005 Visual Basic |
Smoke Loader adds a Visual Basic script in the Startup folder to deploy the payload. |
| T1071.001 Web Protocols |
Smoke Loader uses HTTP for C2. |
| T1083 File and Directory Discovery |
Smoke Loader recursively searches through directories for files. |
| T1105 Ingress Tool Transfer |
Smoke Loader downloads a new version of itself once it has installed. It also downloads additional plugins. |
| T1114.001 Local Email Collection |
Smoke Loader searches through Outlook files and directories (e.g., inbox, sent, templates, drafts, archives, etc.). |
| T1140 Deobfuscate/Decode Files or Information |
Smoke Loader deobfuscates its code. |
| T1497.001 System Checks |
Smoke Loader scans processes to perform anti-VM checks. |
| T1547.001 Registry Run Keys / Startup Folder |
Smoke Loader adds a Registry Run key for persistence and adds a script in the Startup folder to deploy the payload. |
| T1552.001 Credentials In Files |
Smoke Loader searches for files named logins.json to parse for credentials. |
| T1555.003 Credentials from Web Browsers |
Smoke Loader searches for credentials stored from web browsers. |
None recorded.
None recorded.
Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.