Analysis
- max time kernel
134s - max time network
12s - platform
windows7_x64 - resource
win7v20201028 - submitted
12/04/2021, 07:57
General
- Target PAYMENT CONFIRMATION.exe
- Size 814KB
- Sample210412-n4549s2py2
- SHA256 6df1420d84c9c0a1427b91fdf3e9fe8b6245f9f8ea3b00658c430106e72d33d8
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.almasroor.com
-
Port
587
-
Username
-
Password
042264528
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Drops file in Drivers directory 1 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT CONFIRMATION.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT CONFIRMATION.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT CONFIRMATION.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1588-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1588-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1588-69-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
memory/1588-70-0x0000000004AA1000-0x0000000004AA2000-memory.dmp
memory/1904-59-0x0000000000C30000-0x0000000000C31000-memory.dmp
memory/1904-61-0x00000000004C0000-0x00000000004C5000-memory.dmp
memory/1904-62-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
memory/1904-63-0x00000000066E0000-0x000000000678A000-memory.dmp
memory/1904-64-0x00000000003F0000-0x000000000045C000-memory.dmp