Analysis
- max time kernel
140s - max time network
112s - platform
windows10_x64 - resource
win10v200722 - submitted
14/10/2020, 00:48
General
- Target TT No. 00189330982.exe
- Size 773KB
- Sample201014-hstrc6znw6
- SHA256 ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.hudsouexports.com
-
Port
587
-
Username
-
Password
yLx%Bxg0_e3:
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Drops file in Drivers directory 1 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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 user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TT No. 00189330982.exe"C:\Users\Admin\AppData\Local\Temp\TT No. 00189330982.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\TT No. 00189330982.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/648-7-0x0000000007B40000-0x0000000007B41000-memory.dmp
memory/648-9-0x000000000B5B0000-0x000000000B622000-memory.dmp
memory/648-4-0x0000000005730000-0x0000000005731000-memory.dmp
memory/648-5-0x0000000005720000-0x0000000005721000-memory.dmp
memory/648-6-0x0000000005B60000-0x0000000005B64000-memory.dmp
memory/648-0-0x00000000735C0000-0x0000000073CAE000-memory.dmp
memory/648-8-0x0000000007AC0000-0x0000000007B38000-memory.dmp
memory/648-3-0x0000000005B90000-0x0000000005B91000-memory.dmp
memory/648-1-0x0000000000CA0000-0x0000000000CA1000-memory.dmp
memory/3024-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3024-13-0x00000000735C0000-0x0000000073CAE000-memory.dmp
memory/3024-18-0x0000000005CD0000-0x0000000005CD1000-memory.dmp
memory/3024-19-0x0000000006480000-0x0000000006481000-memory.dmp