Analysis
- max time kernel
125s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
20/03/2022, 05:10
General
- Target 2b0ed3756801df76e2d8a68ee8ec01c54794e46377aef121683f5f0dfedaff22.exe
- Size 539KB
- Sample220320-ftnvnshde5
- SHA256 2b0ed3756801df76e2d8a68ee8ec01c54794e46377aef121683f5f0dfedaff22
Malware Config
Extracted
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Protocol
smtp
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Host
mail.zavidovici.ba
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Port
587
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Username
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Password
12Opc21!
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 1 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
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 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\2b0ed3756801df76e2d8a68ee8ec01c54794e46377aef121683f5f0dfedaff22.exe"C:\Users\Admin\AppData\Local\Temp\2b0ed3756801df76e2d8a68ee8ec01c54794e46377aef121683f5f0dfedaff22.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2b0ed3756801df76e2d8a68ee8ec01c54794e46377aef121683f5f0dfedaff22.exe"C:\Users\Admin\AppData\Local\Temp\2b0ed3756801df76e2d8a68ee8ec01c54794e46377aef121683f5f0dfedaff22.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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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C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml"3⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3672-130-0x000000000098A000-0x0000000000990000-memory.dmp
memory/3736-136-0x00000000054B3000-0x00000000054B4000-memory.dmp
memory/3736-133-0x00000000745B0000-0x0000000074D60000-memory.dmp
memory/3736-135-0x00000000054B2000-0x00000000054B3000-memory.dmp
memory/3736-134-0x00000000054B0000-0x00000000054B1000-memory.dmp
memory/3736-132-0x0000000000400000-0x0000000000483000-memory.dmp
memory/3736-137-0x0000000005560000-0x00000000055FC000-memory.dmp
memory/3736-138-0x0000000005600000-0x0000000005666000-memory.dmp
memory/3736-139-0x00000000054B4000-0x00000000054B5000-memory.dmp
memory/3736-140-0x0000000006A30000-0x0000000006FD4000-memory.dmp
memory/3736-141-0x0000000006810000-0x00000000069D2000-memory.dmp
memory/3736-142-0x00000000066E0000-0x0000000006772000-memory.dmp
memory/3736-143-0x0000000006640000-0x000000000664A000-memory.dmp