Analysis
- max time kernel
142s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
05/09/2023, 13:33
General
- Target a7d8310d7c0f84675e04bd7c1acfa4aff42a13240faaf323c71fa651be2a1d3c.exe
- Size 247KB
- Sample230905-qthnrsff6v
- SHA256 a7d8310d7c0f84675e04bd7c1acfa4aff42a13240faaf323c71fa651be2a1d3c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.asainsaatmakina.com.tr
-
Port
587
-
Username
-
Password
asa2021
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.asainsaatmakina.com.tr
-
Port
587
-
Username
-
Password
asa2021
-
Email to
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
- 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a7d8310d7c0f84675e04bd7c1acfa4aff42a13240faaf323c71fa651be2a1d3c.exe"C:\Users\Admin\AppData\Local\Temp\a7d8310d7c0f84675e04bd7c1acfa4aff42a13240faaf323c71fa651be2a1d3c.exe"1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/5052-0-0x00000000008E0000-0x0000000000924000-memory.dmp
memory/5052-1-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/5052-2-0x00000000059D0000-0x0000000005F74000-memory.dmp
memory/5052-3-0x0000000005310000-0x0000000005320000-memory.dmp
memory/5052-4-0x0000000005320000-0x0000000005386000-memory.dmp
memory/5052-6-0x0000000006AF0000-0x0000000006B40000-memory.dmp
memory/5052-7-0x0000000006BE0000-0x0000000006C7C000-memory.dmp
memory/5052-8-0x0000000006D20000-0x0000000006DB2000-memory.dmp
memory/5052-9-0x0000000006CB0000-0x0000000006CBA000-memory.dmp
memory/5052-10-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/5052-11-0x0000000005310000-0x0000000005320000-memory.dmp