Analysis
- max time kernel
146s - max time network
130s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
23/09/2021, 20:31
General
- Target TT Payment.exe
- Size 614KB
- Sample210923-zapseafcc7
- SHA256 3aa9edef2af34b3b432e934a41ef138b763cc23dcb8cc35a739cfb5903c1f436
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.atlantic-consarves.com
-
Port
587
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Username
-
Password
goodgood1234
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TT Payment.exe"C:\Users\Admin\AppData\Local\Temp\TT Payment.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\TT Payment.exe"C:\Users\Admin\AppData\Local\Temp\TT Payment.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\TT Payment.exe"C:\Users\Admin\AppData\Local\Temp\TT Payment.exe"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/1512-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1512-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1512-63-0x0000000004300000-0x0000000004301000-memory.dmp
memory/1512-64-0x0000000004301000-0x0000000004302000-memory.dmp
memory/2008-53-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2008-55-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/2008-56-0x00000000006E0000-0x00000000006FD000-memory.dmp
memory/2008-57-0x0000000005110000-0x0000000005185000-memory.dmp
memory/2008-58-0x0000000004E60000-0x0000000004EA6000-memory.dmp