Analysis
- max time kernel
65s - max time network
124s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
18/06/2023, 16:07
General
- Target Document_pdf.exe
- Size 730KB
- Sample230618-tkl7dahd2s
- SHA256 a1c081c8a37a05282ab2fbcc32ea8f3ab2fe4992ff2d860b8bcf3b40d3c24e51
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5480024987:AAEOw0FrXbZvPh7UKydmAyaZODSJd4PSlkU/
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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Document_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Document_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Document_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Document_pdf.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/932-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/932-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/932-89-0x0000000001120000-0x0000000001160000-memory.dmp
memory/932-71-0x0000000001120000-0x0000000001160000-memory.dmp
memory/932-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/932-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/932-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/932-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/932-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/932-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1712-55-0x0000000004EB0000-0x0000000004EF0000-memory.dmp
memory/1712-60-0x0000000000DA0000-0x0000000000DD2000-memory.dmp
memory/1712-54-0x0000000001280000-0x000000000133C000-memory.dmp
memory/1712-59-0x0000000005140000-0x00000000051AA000-memory.dmp
memory/1712-58-0x0000000000530000-0x000000000053C000-memory.dmp
memory/1712-57-0x0000000004EB0000-0x0000000004EF0000-memory.dmp
memory/1712-56-0x0000000000BD0000-0x0000000000BE6000-memory.dmp