Analysis
- max time kernel
146s - max time network
147s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/12/2020, 16:41
General
- Target CM-LOULE Co.,LTD.exe
- Size 753KB
- Sample201208-xkl2fxd9g6
- SHA256 4f2ce606dd43ec6e54fdb76a69588f0c4af5a8f858ee8216dcaaaae16cf5c148
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1304134253:AAHktTGiLUr3MgLNcjyn520U8OYl5h9XOlI/sendDocument
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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CM-LOULE Co.,LTD.exe"C:\Users\Admin\AppData\Local\Temp\CM-LOULE Co.,LTD.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\CM-LOULE Co.,LTD.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1044-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1044-21-0x0000000005F20000-0x0000000005F21000-memory.dmp
memory/1044-20-0x0000000005300000-0x0000000005301000-memory.dmp
memory/1044-15-0x0000000073C50000-0x000000007433E000-memory.dmp
memory/1308-6-0x0000000005430000-0x0000000005431000-memory.dmp
memory/1308-10-0x0000000007DD0000-0x0000000007E4E000-memory.dmp
memory/1308-11-0x00000000084A0000-0x00000000084A1000-memory.dmp
memory/1308-9-0x0000000005A20000-0x0000000005A2E000-memory.dmp
memory/1308-8-0x0000000007F70000-0x0000000007F71000-memory.dmp
memory/1308-7-0x0000000005400000-0x0000000005401000-memory.dmp
memory/1308-2-0x0000000073C50000-0x000000007433E000-memory.dmp
memory/1308-5-0x0000000005A40000-0x0000000005A41000-memory.dmp
memory/1308-3-0x0000000000B10000-0x0000000000B11000-memory.dmp