Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/02/2024, 14:29
General
- Target miczx.scr.exe
- Size 547KB
- Sample240229-rtlwvscc97
- SHA256 9ab4e40477f73cc56c6f1097a6e334cb5acdf4f26523fcbd4f994eaa05886fd2
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
tssveohxktcpzhdm
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
tssveohxktcpzhdm
-
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.
- 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\miczx.scr.exe"C:\Users\Admin\AppData\Local\Temp\miczx.scr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\miczx.scr.exe"C:\Users\Admin\AppData\Local\Temp\miczx.scr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
miczx.scr.exe.log
memory/1292-11-0x0000000074FB0000-0x0000000075760000-memory.dmp
memory/1292-1-0x00000000000A0000-0x0000000000130000-memory.dmp
memory/1292-2-0x0000000004B80000-0x0000000004B90000-memory.dmp
memory/1292-3-0x0000000004A80000-0x0000000004AEE000-memory.dmp
memory/1292-4-0x0000000005140000-0x00000000056E4000-memory.dmp
memory/1292-5-0x0000000004C30000-0x0000000004CC2000-memory.dmp
memory/1292-6-0x0000000004D70000-0x0000000004E0C000-memory.dmp
memory/1292-7-0x0000000004BD0000-0x0000000004BD8000-memory.dmp
memory/1292-0-0x0000000074FB0000-0x0000000075760000-memory.dmp
memory/1540-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1540-12-0x0000000074FB0000-0x0000000075760000-memory.dmp
memory/1540-13-0x0000000005A80000-0x0000000005A90000-memory.dmp
memory/1540-14-0x0000000005950000-0x00000000059B6000-memory.dmp
memory/1540-15-0x0000000006FC0000-0x0000000007010000-memory.dmp
memory/1540-16-0x0000000007170000-0x000000000717A000-memory.dmp
memory/1540-17-0x0000000074FB0000-0x0000000075760000-memory.dmp