Analysis Overview
SHA256
3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7
Threat Level: Known bad
The file 3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7 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
outlook_office_path
outlook_win_path
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-19 12:21
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-19 12:21
Reported
2022-04-19 15:58
Platform
win7-20220414-en
Max time kernel
148s
Max time network
51s
Command Line
Signatures
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
Network
Files
memory/1836-54-0x0000000000940000-0x0000000000964000-memory.dmp
memory/1724-55-0x0000000000000000-mapping.dmp
memory/1724-56-0x0000000000940000-0x0000000000964000-memory.dmp
memory/1976-57-0x0000000000000000-mapping.dmp
memory/1976-58-0x0000000000940000-0x0000000000964000-memory.dmp
memory/1480-59-0x0000000000000000-mapping.dmp
memory/1480-60-0x0000000000940000-0x0000000000964000-memory.dmp
memory/1180-61-0x0000000000000000-mapping.dmp
memory/1180-62-0x0000000000940000-0x0000000000964000-memory.dmp
memory/2028-63-0x0000000000000000-mapping.dmp
memory/2028-64-0x0000000000940000-0x0000000000964000-memory.dmp
memory/588-65-0x0000000000000000-mapping.dmp
memory/588-66-0x0000000000940000-0x0000000000964000-memory.dmp
memory/2036-67-0x0000000000000000-mapping.dmp
memory/2036-68-0x0000000000940000-0x0000000000964000-memory.dmp
memory/688-69-0x0000000000000000-mapping.dmp
memory/688-70-0x0000000000940000-0x0000000000964000-memory.dmp
memory/1572-71-0x0000000000000000-mapping.dmp
memory/1572-72-0x0000000000940000-0x0000000000964000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-19 12:21
Reported
2022-04-19 15:59
Platform
win10v2004-20220414-en
Max time kernel
170s
Max time network
188s
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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 | freegeoip.app | N/A | N/A |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5060 set thread context of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.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 5060 wrote to memory of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 5060 wrote to memory of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 5060 wrote to memory of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 5060 wrote to memory of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
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 1988 -ip 1988
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 1708
Network
| Country | Destination | Domain | Proto |
| NL | 104.97.14.81:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| BR | 132.226.247.73:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 188.114.96.0:443 | freegeoip.app | tcp |
| NL | 104.110.191.140:80 | tcp | |
| US | 188.114.97.0:443 | freegeoip.app | tcp |
| US | 8.8.8.8:53 | licensing.mp.microsoft.com | udp |
| IE | 20.123.104.105:443 | licensing.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | storesdk.dsx.mp.microsoft.com | udp |
| FR | 2.18.109.224:443 | storesdk.dsx.mp.microsoft.com | tcp |
| IE | 20.123.104.105:443 | licensing.mp.microsoft.com | tcp |
Files
memory/5060-130-0x0000000000800000-0x0000000000824000-memory.dmp
memory/1988-131-0x0000000000000000-mapping.dmp
memory/1988-132-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1988-133-0x0000000005770000-0x000000000580C000-memory.dmp
memory/1988-134-0x0000000005E20000-0x00000000063C4000-memory.dmp
memory/1988-135-0x00000000058E0000-0x0000000005946000-memory.dmp