Analysis Overview
SHA256
588dc1b105e5255e0185036768f5201bed501cfa6a273721b5ab52807739ff74
Threat Level: Known bad
The file 588dc1b105e5255e0185036768f5201bed501cfa6a273721b5ab52807739ff74 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 AdjustPrivilegeToken
outlook_office_path
outlook_win_path
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-05-02 11:34
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-02 11:34
Reported
2022-05-02 11:36
Platform
win7-20220414-en
Max time kernel
136s
Max time network
47s
Command Line
Signatures
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.exe"
Network
Files
memory/1180-54-0x0000000076C81000-0x0000000076C83000-memory.dmp
memory/1180-55-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/2004-56-0x0000000000000000-mapping.dmp
memory/2004-58-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/1464-59-0x0000000000000000-mapping.dmp
memory/1464-61-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/1968-62-0x0000000000000000-mapping.dmp
memory/1968-64-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/1696-65-0x0000000000000000-mapping.dmp
memory/1696-67-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/1976-68-0x0000000000000000-mapping.dmp
memory/1976-70-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/1956-71-0x0000000000000000-mapping.dmp
memory/1956-73-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/1892-74-0x0000000000000000-mapping.dmp
memory/1892-76-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/848-77-0x0000000000000000-mapping.dmp
memory/848-79-0x00000000013C0000-0x00000000013E9000-memory.dmp
memory/1324-80-0x0000000000000000-mapping.dmp
memory/1324-82-0x00000000013C0000-0x00000000013E9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-02 11:34
Reported
2022-05-02 11:36
Platform
win10v2004-20220414-en
Max time kernel
102s
Max time network
151s
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\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\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 |
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 3384 set thread context of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.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 3384 wrote to memory of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 3384 wrote to memory of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 3384 wrote to memory of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
| PID 3384 wrote to memory of 4192 | N/A | C:\Users\Admin\AppData\Local\Temp\0900009090000.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\0900009090000.exe
"C:\Users\Admin\AppData\Local\Temp\0900009090000.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 188 -p 4192 -ip 4192
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 1976
Network
| Country | Destination | Domain | Proto |
| 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 | 188.114.96.0:443 | freegeoip.app | tcp |
| US | 8.8.8.8:53 | ipbase.com | udp |
| US | 99.83.231.61:443 | ipbase.com | tcp |
| GB | 51.104.15.253:443 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.140:80 | tcp |
Files
memory/3384-130-0x0000000000480000-0x00000000004A9000-memory.dmp
memory/4192-131-0x0000000000000000-mapping.dmp
memory/4192-132-0x0000000000400000-0x0000000000472000-memory.dmp
memory/4192-133-0x0000000005370000-0x000000000540C000-memory.dmp
memory/4192-134-0x00000000059C0000-0x0000000005F64000-memory.dmp
memory/4192-135-0x0000000005410000-0x0000000005476000-memory.dmp