Analysis
- max time kernel
93s - max time network
109s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 03:04
General
- Target RFQ_IN24009357-OC-00132524-PI0888?f?d?p?..exe
- Size 3.5MB
- Sample240613-dkwstawblk
- SHA256 6ade58a42483fe328cae6494298313869d3610c81c0774d4c35f23f51046ba73
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.strato.de
-
Port
587
-
Username
-
Password
Oy1)8JSu_qPx(rzV_{Xu
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.strato.de
-
Port
587
-
Username
-
Password
Oy1)8JSu_qPx(rzV_{Xu
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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
- Looks up external IP address via web service 3 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ_IN24009357-OC-00132524-PI0888_f_d_p_..exe"C:\Users\Admin\AppData\Local\Temp\RFQ_IN24009357-OC-00132524-PI0888_f_d_p_..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3760-0-0x00007FFEB8E33000-0x00007FFEB8E35000-memory.dmp
memory/3760-1-0x000001EBBC070000-0x000001EBBC082000-memory.dmp
memory/3760-2-0x00007FFEB8E30000-0x00007FFEB98F1000-memory.dmp
memory/3760-3-0x000001EBD6860000-0x000001EBD68F8000-memory.dmp
memory/3760-9-0x00007FFEB8E30000-0x00007FFEB98F1000-memory.dmp
memory/5096-8-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/5096-6-0x0000000005A80000-0x0000000006024000-memory.dmp
memory/5096-7-0x00000000054D0000-0x0000000005536000-memory.dmp
memory/5096-5-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
memory/5096-4-0x0000000000400000-0x0000000000444000-memory.dmp
memory/5096-11-0x00000000067F0000-0x0000000006840000-memory.dmp
memory/5096-12-0x00000000068E0000-0x000000000697C000-memory.dmp
memory/5096-13-0x0000000006B20000-0x0000000006BB2000-memory.dmp
memory/5096-14-0x0000000006A90000-0x0000000006A9A000-memory.dmp
memory/5096-15-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
memory/5096-16-0x0000000074A40000-0x00000000751F0000-memory.dmp