Analysis
- max time kernel
131s - max time network
135s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 14:53
General
- Target Purchase Order.exe
- Size 984KB
- Sample201109-wj63vb74fs
- SHA256 86b4bb9ea11ac97ecf7390c0e4e2979b69c294c22c65931ff734926c9540a0fd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.nltfy.com
-
Port
587
-
Username
-
Password
mGOqcw(5
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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2904-5-0x0000000002A10000-0x0000000002A11000-memory.dmp
memory/2904-9-0x0000000008520000-0x0000000008521000-memory.dmp
memory/2904-4-0x0000000005030000-0x0000000005031000-memory.dmp
memory/2904-0-0x0000000073520000-0x0000000073C0E000-memory.dmp
memory/2904-6-0x0000000006BD0000-0x0000000006C21000-memory.dmp
memory/2904-7-0x0000000008430000-0x0000000008431000-memory.dmp
memory/2904-3-0x0000000005490000-0x0000000005491000-memory.dmp
memory/2904-1-0x0000000000630000-0x0000000000631000-memory.dmp
memory/2904-8-0x0000000006C70000-0x0000000006C71000-memory.dmp
memory/2904-10-0x0000000009120000-0x0000000009136000-memory.dmp
memory/3288-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3288-14-0x0000000073520000-0x0000000073C0E000-memory.dmp
memory/3288-18-0x0000000005040000-0x0000000005041000-memory.dmp
memory/3288-19-0x0000000005340000-0x0000000005341000-memory.dmp