Analysis
- max time kernel
105s - max time network
12s - platform
windows7_x64 - resource
win7v20201028 - submitted
15/12/2020, 17:39
General
- Target 457c0297acb3c763b9497962dc440bc7.exe
- Size 2.5MB
- Sample201215-x9txvnl282
- SHA256 f04d5b287971f60d5f04b262f3714a790b7d7c9b591ab88faa1d1f5244792d09
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.innervisioninterior.com
-
Port
587
-
Username
-
Password
#Up}oHhh,ZQ{
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe"C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe"C:\Users\Admin\AppData\Local\Temp\457c0297acb3c763b9497962dc440bc7.exe"2⤵
- 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/736-2-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/736-3-0x0000000000FF0000-0x0000000000FF1000-memory.dmp
memory/736-5-0x00000000004C0000-0x00000000004FD000-memory.dmp
memory/1360-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1360-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1360-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1360-10-0x0000000074390000-0x0000000074A7E000-memory.dmp