Analysis
- max time kernel
122s - max time network
128s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
29/02/2024, 14:29
General
- Target miczx.scr.exe
- Size 547KB
- Sample240229-rtlwvscc97
- SHA256 9ab4e40477f73cc56c6f1097a6e334cb5acdf4f26523fcbd4f994eaa05886fd2
Malware Config
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 9 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
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Downloads
memory/1392-0-0x00000000000D0000-0x0000000000160000-memory.dmp
memory/1392-1-0x0000000074E90000-0x000000007557E000-memory.dmp
memory/1392-3-0x0000000001D70000-0x0000000001DB0000-memory.dmp
memory/1392-2-0x0000000001FA0000-0x000000000200E000-memory.dmp
memory/1392-4-0x0000000001D50000-0x0000000001D58000-memory.dmp
memory/1392-16-0x0000000074E90000-0x000000007557E000-memory.dmp
memory/1916-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1916-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1916-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1916-14-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1916-7-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1916-17-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1916-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1916-20-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/1916-21-0x0000000004B70000-0x0000000004BB0000-memory.dmp
memory/1916-22-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/1916-23-0x0000000004B70000-0x0000000004BB0000-memory.dmp