Analysis Overview
SHA256
442977f31528f2db2745d7675e06d966606531e98851b4b981da008f8901ebb8
Threat Level: Known bad
The file 442977f31528f2db2745d7675e06d966606531e98851b4b981da008f8901ebb8 was found to be: Known bad.
Malicious Activity Summary
Matiex
Matiex Main Payload
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
outlook_office_path
outlook_win_path
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-05-02 11:34
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-02 11:34
Reported
2022-05-02 11:36
Platform
win10v2004-20220414-en
Max time kernel
91s
Max time network
112s
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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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 2056 set thread context of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.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 2056 wrote to memory of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 2056 wrote to memory of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 2056 wrote to memory of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 2056 wrote to memory of 1984 | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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 472 -p 1984 -ip 1984
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 1984
Network
| Country | Destination | Domain | Proto |
| NL | 104.97.14.81:80 | tcp | |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 188.114.96.0:443 | freegeoip.app | tcp |
| US | 8.8.8.8:53 | ipbase.com | udp |
| US | 99.83.231.61:443 | ipbase.com | tcp |
| NL | 52.178.17.2:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| FR | 2.18.109.224:443 | tcp | |
| US | 104.18.24.243:80 | tcp | |
| NL | 104.123.41.162:80 | tcp |
Files
memory/2056-130-0x0000000000100000-0x0000000000129000-memory.dmp
memory/1984-131-0x0000000000000000-mapping.dmp
memory/1984-132-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1984-133-0x0000000005890000-0x000000000592C000-memory.dmp
memory/1984-134-0x0000000005EE0000-0x0000000006484000-memory.dmp
memory/1984-135-0x0000000005810000-0x0000000005876000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-02 11:34
Reported
2022-05-02 11:36
Platform
win7-20220414-en
Max time kernel
148s
Max time network
40s
Command Line
Signatures
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.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\0908000009h090000.exe
"C:\Users\Admin\AppData\Local\Temp\0908000009h090000.exe"
Network
Files
memory/1972-54-0x0000000075F21000-0x0000000075F23000-memory.dmp
memory/1972-55-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/1352-56-0x0000000000000000-mapping.dmp
memory/1352-58-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/1632-59-0x0000000000000000-mapping.dmp
memory/1632-61-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/1108-62-0x0000000000000000-mapping.dmp
memory/1108-64-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/1756-65-0x0000000000000000-mapping.dmp
memory/1756-67-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/1152-68-0x0000000000000000-mapping.dmp
memory/1152-70-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/560-71-0x0000000000000000-mapping.dmp
memory/560-73-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/656-74-0x0000000000000000-mapping.dmp
memory/656-76-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/1716-77-0x0000000000000000-mapping.dmp
memory/1716-79-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/1636-80-0x0000000000000000-mapping.dmp
memory/1636-82-0x00000000001A0000-0x00000000001C9000-memory.dmp
memory/308-83-0x0000000000000000-mapping.dmp
memory/308-85-0x00000000001A0000-0x00000000001C9000-memory.dmp