Analysis
- max time kernel
150s - max time network
149s - platform
windows10_x64 - resource
win10 - submitted
24/06/2020, 14:58
General
- Target a73eccf8233cc12f23f8b997351a06f5.exe
- Size 710KB
- Sample200624-v92tekxte2
- SHA256 f92996df2e909d06db8e0a3af572568fe0a321d1e09933fb7c50f7e6fc8ee976
Malware Config
Extracted
-
Protocol
smtp
-
Host
dutchlogs.us
-
Port
587
-
Username
-
Password
5662205aceACE@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
dutchlogs.us
-
Port
587
-
Username
-
Password
5662205aceACE@
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a73eccf8233cc12f23f8b997351a06f5.exe"C:\Users\Admin\AppData\Local\Temp\a73eccf8233cc12f23f8b997351a06f5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a73eccf8233cc12f23f8b997351a06f5.exe"C:\Users\Admin\AppData\Local\Temp\a73eccf8233cc12f23f8b997351a06f5.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2296-0-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2296-2-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2296-3-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2296-4-0x0000000000A30000-0x0000000000A82000-memory.dmp
memory/2296-5-0x0000000000702000-0x0000000000703000-memory.dmp