Analysis
- max time kernel
142s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
24/08/2023, 01:56
General
- Target 203b77e03c015bb3e23cf818bf31827a.exe
- Size 729KB
- Sample230824-ccph4aaf3t
- SHA256 b3a5d73b31d152222ab912e63ee126814f3c5c3fdcbdc50ad6772bc6bc867c7c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.timextradingplc.com
-
Port
587
-
Username
-
Password
M2021@timex
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\203b77e03c015bb3e23cf818bf31827a.exe"C:\Users\Admin\AppData\Local\Temp\203b77e03c015bb3e23cf818bf31827a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\203b77e03c015bb3e23cf818bf31827a.exe"C:\Users\Admin\AppData\Local\Temp\203b77e03c015bb3e23cf818bf31827a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
203b77e03c015bb3e23cf818bf31827a.exe.log
memory/1076-8-0x0000000009AC0000-0x0000000009B5C000-memory.dmp
memory/1076-1-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/1076-3-0x00000000056F0000-0x0000000005782000-memory.dmp
memory/1076-4-0x0000000005940000-0x0000000005950000-memory.dmp
memory/1076-5-0x0000000005880000-0x000000000588A000-memory.dmp
memory/1076-6-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/1076-7-0x0000000005940000-0x0000000005950000-memory.dmp
memory/1076-0-0x0000000000C40000-0x0000000000CFC000-memory.dmp
memory/1076-2-0x0000000005BC0000-0x0000000006164000-memory.dmp
memory/1076-13-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/1984-9-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1984-12-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/1984-14-0x00000000052E0000-0x00000000052F0000-memory.dmp
memory/1984-15-0x00000000052F0000-0x0000000005356000-memory.dmp
memory/1984-16-0x0000000006870000-0x00000000068C0000-memory.dmp
memory/1984-17-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/1984-18-0x00000000052E0000-0x00000000052F0000-memory.dmp