Analysis
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max time kernel
30s -
max time network
148s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
30-12-2020 08:32
Static task
static1
Behavioral task
behavioral1
Sample
0908000090000.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
0908000090000.exe
Resource
win10v20201028
General
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Target
0908000090000.exe
-
Size
3.4MB
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MD5
2b16401ac7e40343abde78deb36f0746
-
SHA1
6c441249071a590f6a1178cc276f87f8641c8cf4
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SHA256
315e6e844a325bdbdbd68365d389adb3e31c55cf7323936f14f3e48f7e5f3014
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SHA512
3ec8ac63db7b07b9a43b37f27cc80da7543baab0c259e25de2e92cc058427b385d4dc6aa91fc12cdd3b1d6d40c20df1a5c7731ec750a91770f98631c1840a9b8
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/1296-7-0x000000000047023E-mapping.dmp family_matiex behavioral1/memory/1296-6-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/1296-8-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/1296-9-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
0908000090000.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\0908000090000.exe\"" 0908000090000.exe -
Drops startup file 2 IoCs
Processes:
0908000090000.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0908000090000.exe 0908000090000.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0908000090000.exe 0908000090000.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:
0908000090000.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0908000090000.exe" 0908000090000.exe Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\0908000090000.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0908000090000.exe" 0908000090000.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:
0908000090000.exedescription pid process target process PID 476 set thread context of 1296 476 0908000090000.exe 0908000090000.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
0908000090000.exepid process 1296 0908000090000.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
0908000090000.exedescription pid process Token: SeDebugPrivilege 1296 0908000090000.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
0908000090000.exe0908000090000.exedescription pid process target process PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 476 wrote to memory of 1296 476 0908000090000.exe 0908000090000.exe PID 1296 wrote to memory of 2040 1296 0908000090000.exe netsh.exe PID 1296 wrote to memory of 2040 1296 0908000090000.exe netsh.exe PID 1296 wrote to memory of 2040 1296 0908000090000.exe netsh.exe PID 1296 wrote to memory of 2040 1296 0908000090000.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0908000090000.exe"C:\Users\Admin\AppData\Local\Temp\0908000090000.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\0908000090000.exe"C:\Users\Admin\AppData\Local\Temp\0908000090000.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/476-2-0x0000000073F20000-0x000000007460E000-memory.dmpFilesize
6.9MB
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memory/476-3-0x0000000000E50000-0x0000000000E51000-memory.dmpFilesize
4KB
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memory/476-5-0x00000000009E0000-0x0000000000A5D000-memory.dmpFilesize
500KB
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memory/1296-7-0x000000000047023E-mapping.dmp
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memory/1296-6-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/1296-8-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/1296-9-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/1296-10-0x0000000073200000-0x00000000738EE000-memory.dmpFilesize
6.9MB
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memory/2040-13-0x0000000000000000-mapping.dmp