Analysis
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max time kernel
32s -
max time network
129s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
28-12-2020 10:37
Static task
static1
Behavioral task
behavioral1
Sample
Quotation 7339.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Quotation 7339.exe
Resource
win10v20201028
General
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Target
Quotation 7339.exe
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Size
3.6MB
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MD5
830dcd49c9b23bf35d7d8bc6caf099a8
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SHA1
8faecce6b954965528969fc946e7650865dbd763
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SHA256
0ee6256edbcb97ace761a15d86ce3e3adc080364f752473dd941339060a4e4b2
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SHA512
d7f7ac208933fb7a7aa65524bc4c37c983b7b01e1b1b112f0b83749b9bbc915d1678add8fcce77279a8859c496d690a879a84d525f9e987170479566ba8d8ea5
Malware Config
Extracted
Protocol: smtp- Host:
srvc13.turhost.com - Port:
587 - Username:
info@bilgitekdagitim.com - Password:
italik2015
Extracted
matiex
Protocol: smtp- Host:
srvc13.turhost.com - Port:
587 - Username:
info@bilgitekdagitim.com - Password:
italik2015
Signatures
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Matiex Main Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1588-6-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/1588-7-0x000000000047023E-mapping.dmp family_matiex behavioral1/memory/1588-8-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/1588-9-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
Quotation 7339.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe\"" Quotation 7339.exe -
Drops startup file 2 IoCs
Processes:
Quotation 7339.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation 7339.exe Quotation 7339.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation 7339.exe Quotation 7339.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Quotation 7339.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe" Quotation 7339.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\Quotation 7339.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe" Quotation 7339.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org 9 freegeoip.app 10 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Quotation 7339.exedescription pid process target process PID 1048 set thread context of 1588 1048 Quotation 7339.exe Quotation 7339.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Quotation 7339.exepid process 1588 Quotation 7339.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Quotation 7339.exedescription pid process Token: SeDebugPrivilege 1588 Quotation 7339.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Quotation 7339.exeQuotation 7339.exedescription pid process target process PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1048 wrote to memory of 1588 1048 Quotation 7339.exe Quotation 7339.exe PID 1588 wrote to memory of 700 1588 Quotation 7339.exe netsh.exe PID 1588 wrote to memory of 700 1588 Quotation 7339.exe netsh.exe PID 1588 wrote to memory of 700 1588 Quotation 7339.exe netsh.exe PID 1588 wrote to memory of 700 1588 Quotation 7339.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe"C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe"1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe"C:\Users\Admin\AppData\Local\Temp\Quotation 7339.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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/700-13-0x0000000000000000-mapping.dmp
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memory/1048-2-0x0000000073C60000-0x000000007434E000-memory.dmpFilesize
6.9MB
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memory/1048-3-0x00000000012C0000-0x00000000012C1000-memory.dmpFilesize
4KB
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memory/1048-5-0x00000000005A0000-0x0000000000623000-memory.dmpFilesize
524KB
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memory/1588-6-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/1588-7-0x000000000047023E-mapping.dmp
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memory/1588-8-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/1588-9-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/1588-10-0x0000000073C60000-0x000000007434E000-memory.dmpFilesize
6.9MB