Analysis
- max time kernel
134s - max time network
136s - platform
windows10_x64 - resource
win10 - submitted
06/07/2020, 11:35
General
- Target Facturas Pagadas al Vencimiento.exe
- Size 802KB
- Sample200706-d7tp7h8wae
- SHA256 ab0f5715fad3f2bf2ab19ecb92df974bed70e0d6f4d37a2fccd4649b94d0365c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.gascuenca.es
-
Port
587
-
Username
-
Password
gasW203@Z7
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gascuenca.es
-
Port
587
-
Username
-
Password
gasW203@Z7
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 18 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
-
-
C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe" 2 3912 609212⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3912-0-0x0000000000400000-0x00000000004AC000-memory.dmp
memory/3912-3-0x0000000000400000-0x00000000004AC000-memory.dmp
memory/3912-4-0x0000000000400000-0x00000000004AC000-memory.dmp
memory/3912-5-0x00000000009E0000-0x0000000000A30000-memory.dmp
memory/3912-6-0x0000000000A72000-0x0000000000A73000-memory.dmp