Analysis
- max time kernel
135s - max time network
131s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 18:37
General
- Target fdf52138645ac5425a3c11eed1a838b3.exe
- Size 643KB
- Sample210331-5dlt9wshx6
- SHA256 bb3ba719b05e0809465a06648088ba0d1e3c6e1ae2bd7b99671010c10da1e712
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.transportesion.com.bo
-
Port
587
-
Username
-
Password
6295284
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fdf52138645ac5425a3c11eed1a838b3.exe"C:\Users\Admin\AppData\Local\Temp\fdf52138645ac5425a3c11eed1a838b3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\fdf52138645ac5425a3c11eed1a838b3.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/508-7-0x0000000005830000-0x0000000005831000-memory.dmp
memory/508-3-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
memory/508-6-0x0000000005770000-0x0000000005771000-memory.dmp
memory/508-2-0x0000000073D50000-0x000000007443E000-memory.dmp
memory/508-8-0x0000000001980000-0x0000000001981000-memory.dmp
memory/508-9-0x0000000005C50000-0x0000000005C55000-memory.dmp
memory/508-5-0x0000000005C70000-0x0000000005C71000-memory.dmp
memory/508-10-0x0000000008CE0000-0x0000000008CE1000-memory.dmp
memory/508-12-0x000000000C5B0000-0x000000000C61D000-memory.dmp
memory/508-11-0x000000000A030000-0x000000000A0DF000-memory.dmp
memory/2932-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2932-16-0x0000000073D50000-0x000000007443E000-memory.dmp
memory/2932-21-0x0000000005540000-0x0000000005541000-memory.dmp
memory/2932-22-0x0000000005520000-0x0000000005521000-memory.dmp
memory/2932-23-0x0000000006180000-0x0000000006181000-memory.dmp