Analysis
- max time kernel
77s - max time network
132s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
14/05/2023, 22:24
General
- Target cBdIEJdDAjSzx7P.exe
- Size 644KB
- Sample230514-2bd4eaga7y
- SHA256 923ae0c266afdbbb76dfca5df18e4aa33f8a41c705711ec9d1d1ce0bf276e40b
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6174413593:AAEFJFfmmgKHkg-43MZw2Pt5EAT6z2Bs9Ug/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cBdIEJdDAjSzx7P.exe"C:\Users\Admin\AppData\Local\Temp\cBdIEJdDAjSzx7P.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cBdIEJdDAjSzx7P.exe"C:\Users\Admin\AppData\Local\Temp\cBdIEJdDAjSzx7P.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1384-54-0x0000000000A20000-0x0000000000AC8000-memory.dmp
memory/1384-55-0x0000000004900000-0x0000000004940000-memory.dmp
memory/1384-56-0x00000000003E0000-0x00000000003F2000-memory.dmp
memory/1384-57-0x0000000004900000-0x0000000004940000-memory.dmp
memory/1384-58-0x0000000000430000-0x000000000043A000-memory.dmp
memory/1384-59-0x0000000004B90000-0x0000000004BFA000-memory.dmp
memory/1384-60-0x0000000000950000-0x0000000000982000-memory.dmp
memory/1480-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1480-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1480-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1480-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1480-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1480-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1480-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1480-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1480-71-0x0000000004DF0000-0x0000000004E30000-memory.dmp
memory/1480-89-0x0000000004DF0000-0x0000000004E30000-memory.dmp