Analysis Overview
SHA256
ee2ad2e20582f55bf1f770795c07595b22505be9e9c7f6b491889b976e051532
Threat Level: Known bad
The file ee2ad2e20582f55bf1f770795c07595b22505be9e9c7f6b491889b976e051532 was found to be: Known bad.
Malicious Activity Summary
Matiex
Matiex Main Payload
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
outlook_office_path
outlook_win_path
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-27 15:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-27 15:23
Reported
2022-04-27 16:32
Platform
win7-20220414-en
Max time kernel
144s
Max time network
42s
Command Line
Signatures
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
Network
Files
memory/1892-54-0x00000000756A1000-0x00000000756A3000-memory.dmp
memory/604-55-0x0000000000000000-mapping.dmp
memory/1892-56-0x00000000002ED000-0x00000000002F0000-memory.dmp
memory/1328-57-0x0000000000000000-mapping.dmp
memory/1172-59-0x0000000000000000-mapping.dmp
memory/1328-60-0x000000000037D000-0x0000000000380000-memory.dmp
memory/1212-61-0x0000000000000000-mapping.dmp
memory/1164-63-0x0000000000000000-mapping.dmp
memory/1212-64-0x000000000054D000-0x0000000000550000-memory.dmp
memory/892-65-0x0000000000000000-mapping.dmp
memory/1020-67-0x0000000000000000-mapping.dmp
memory/892-68-0x000000000033D000-0x0000000000340000-memory.dmp
memory/1468-69-0x0000000000000000-mapping.dmp
memory/1864-71-0x0000000000000000-mapping.dmp
memory/1468-72-0x00000000003DD000-0x00000000003E0000-memory.dmp
memory/1756-73-0x0000000000000000-mapping.dmp
memory/816-75-0x0000000000000000-mapping.dmp
memory/1756-76-0x00000000001CD000-0x00000000001D0000-memory.dmp
memory/2044-77-0x0000000000000000-mapping.dmp
memory/1552-79-0x0000000000000000-mapping.dmp
memory/2044-80-0x000000000055D000-0x0000000000560000-memory.dmp
memory/660-81-0x0000000000000000-mapping.dmp
memory/968-83-0x0000000000000000-mapping.dmp
memory/660-84-0x000000000017D000-0x0000000000180000-memory.dmp
memory/2016-85-0x0000000000000000-mapping.dmp
memory/2032-87-0x0000000000000000-mapping.dmp
memory/2016-88-0x000000000032D000-0x0000000000330000-memory.dmp
memory/1464-89-0x0000000000000000-mapping.dmp
memory/1340-91-0x0000000000000000-mapping.dmp
memory/1464-92-0x000000000031D000-0x0000000000320000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-27 15:23
Reported
2022-04-27 16:32
Platform
win10v2004-20220414-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Matiex
Matiex Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2904 set thread context of 3828 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2904 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2904 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2904 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2904 wrote to memory of 3828 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 2904 wrote to memory of 3828 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 2904 wrote to memory of 3828 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 2904 wrote to memory of 3828 | N/A | C:\Users\Admin\AppData\Local\Temp\DEKONT.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3828 -ip 3828
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1992
Network
| Country | Destination | Domain | Proto |
| GB | 51.104.15.253:443 | tcp | |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| DE | 193.122.6.168:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 188.114.97.0:443 | freegeoip.app | tcp |
| US | 8.8.8.8:53 | ipbase.com | udp |
| US | 75.2.60.5:443 | ipbase.com | tcp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp |
Files
memory/4508-130-0x0000000000000000-mapping.dmp
memory/2904-131-0x0000000000AFD000-0x0000000000B00000-memory.dmp
memory/3828-132-0x0000000000000000-mapping.dmp
memory/3828-133-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3828-134-0x0000000004F70000-0x000000000500C000-memory.dmp
memory/3828-135-0x00000000055C0000-0x0000000005B64000-memory.dmp
memory/3828-136-0x0000000005080000-0x00000000050E6000-memory.dmp