Analysis
- max time kernel
4294199s - max time network
145s - platform
windows7_x64 - resource
win7-20220310-en - submitted
29/03/2022, 22:40
General
- Target 8194498a20f3880a470347e666cfabfe119c9b44c46d6a301566c2a8caf8ac68.exe
- Size 1.3MB
- Sample220329-2ltlvaccd2
- SHA256 8194498a20f3880a470347e666cfabfe119c9b44c46d6a301566c2a8caf8ac68
Malware Config
Extracted
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matiex
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Protocol
ftp
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Host
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Port
21
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Username
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Password
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 6 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8194498a20f3880a470347e666cfabfe119c9b44c46d6a301566c2a8caf8ac68.exe"C:\Users\Admin\AppData\Local\Temp\8194498a20f3880a470347e666cfabfe119c9b44c46d6a301566c2a8caf8ac68.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8194498a20f3880a470347e666cfabfe119c9b44c46d6a301566c2a8caf8ac68.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/756-69-0x00000000761D1000-0x00000000761D3000-memory.dmp
memory/1592-62-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1592-57-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1592-58-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1592-60-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1592-61-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1592-65-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1592-67-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1592-70-0x0000000005A75000-0x0000000005A86000-memory.dmp
memory/1760-54-0x00000000010E0000-0x000000000123E000-memory.dmp
memory/1760-56-0x0000000007B80000-0x0000000007C22000-memory.dmp
memory/1760-55-0x0000000000500000-0x000000000051C000-memory.dmp