Analysis
- max time kernel
146s - max time network
53s - platform
windows7_x64 - resource
win7 - submitted
09/07/2020, 22:17
General
- Target tt.exe
- Size 705KB
- Sample200709-e998qdh9s6
- SHA256 4ff6913b35226527d4bb0bd458d326ad3d1bdd50b90aaac6d4eae1f7f43922c1
Score
10/10
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 9 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Adds Run entry to start application 2 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tt.exe"C:\Users\Admin\AppData\Local\Temp\tt.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\Temp\tt.exe"{path}"2⤵
- Suspicious use of SetWindowsHookEx
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Adds Run entry to start application
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/624-0-0x0000000000400000-0x000000000044E000-memory.dmp
memory/624-2-0x0000000000400000-0x000000000044E000-memory.dmp
memory/624-3-0x0000000000400000-0x000000000044E000-memory.dmp