Analysis
- max time kernel
103s - max time network
113s - platform
windows10_x64 - resource
win10v20201028 - submitted
20/12/2020, 07:22
General
- Target 6bd406e1b80747a58dfe7a790a10e018.exe
- Size 1.4MB
- Sample201220-bs5shjmknn
- SHA256 301b313fc2935587c991d2b007e225638b935b2b914507f9dc990f5c4185ef13
Malware Config
Extracted
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matiex
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Protocol
smtp
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Host
srvc13.turhost.com
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Port
587
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Username
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Password
italik2015
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 5 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.
- 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
Processes
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C:\Users\Admin\AppData\Local\Temp\6bd406e1b80747a58dfe7a790a10e018.exe"C:\Users\Admin\AppData\Local\Temp\6bd406e1b80747a58dfe7a790a10e018.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d0c5ac152f4348afb5bb7d5f6c508b2d.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\d0c5ac152f4348afb5bb7d5f6c508b2d.xml"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\6bd406e1b80747a58dfe7a790a10e018.exe"C:\Users\Admin\AppData\Local\Temp\6bd406e1b80747a58dfe7a790a10e018.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
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Downloads
memory/3408-10-0x00000000054F0000-0x000000000555F000-memory.dmp
memory/3408-12-0x0000000005700000-0x0000000005701000-memory.dmp
memory/3408-6-0x0000000000400000-0x0000000000484000-memory.dmp
memory/3408-8-0x0000000072D70000-0x000000007345E000-memory.dmp
memory/3408-3-0x0000000000400000-0x0000000000484000-memory.dmp
memory/3408-18-0x0000000006E90000-0x0000000006E91000-memory.dmp
memory/3408-17-0x0000000006DF0000-0x0000000006DF1000-memory.dmp
memory/3408-13-0x0000000005CA0000-0x0000000005CA1000-memory.dmp
memory/3408-14-0x0000000005810000-0x0000000005811000-memory.dmp
memory/3408-16-0x0000000006C20000-0x0000000006C21000-memory.dmp
memory/4772-5-0x0000000002530000-0x00000000025B4000-memory.dmp