Analysis Overview
SHA256
1192f1e83a68ab15df7d769531a9e0801e3885ca255b5e39e6d6efba20a09878
Threat Level: Known bad
The file 1192f1e83a68ab15df7d769531a9e0801e3885ca255b5e39e6d6efba20a09878 was found to be: Known bad.
Malicious Activity Summary
Matiex
Matiex Main Payload
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Suspicious behavior: GetForegroundWindowSpam
outlook_win_path
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
outlook_office_path
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-20 02:31
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-20 02:31
Reported
2022-04-20 02:42
Platform
win7-20220414-en
Max time kernel
36s
Max time network
131s
Command Line
Signatures
Matiex
Matiex Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1788 set thread context of 1636 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Payment.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 158.101.44.242:80 | checkip.dyndns.org | tcp |
Files
memory/1788-54-0x0000000000E20000-0x0000000000EE0000-memory.dmp
memory/1788-55-0x0000000004EE0000-0x0000000004F5A000-memory.dmp
memory/1788-56-0x0000000075DB1000-0x0000000075DB3000-memory.dmp
memory/1636-57-0x000000000046CE6E-mapping.dmp
memory/1636-59-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1788-60-0x0000000000460000-0x0000000000463000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-20 02:31
Reported
2022-04-20 02:42
Platform
win10v2004-20220414-en
Max time kernel
142s
Max time network
147s
Command Line
Signatures
Matiex
Matiex Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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\RegAsm.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\RegAsm.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\RegAsm.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 1052 set thread context of 848 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1052 wrote to memory of 848 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1052 wrote to memory of 848 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1052 wrote to memory of 848 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1052 wrote to memory of 848 | N/A | C:\Users\Admin\AppData\Local\Temp\Payment.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.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\RegAsm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Payment.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
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 | 52.109.12.18:443 | tcp | |
| US | 52.168.117.170:443 | tcp | |
| BE | 67.27.153.254:80 | tcp | |
| BE | 67.27.153.254:80 | tcp | |
| NL | 88.221.144.179:80 | tcp | |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
Files
memory/1052-130-0x00000000009E0000-0x0000000000AA0000-memory.dmp
memory/1052-131-0x0000000005400000-0x0000000005492000-memory.dmp
memory/848-132-0x0000000000000000-mapping.dmp
memory/1052-133-0x0000000005620000-0x0000000005623000-memory.dmp
memory/848-134-0x0000000000400000-0x0000000000472000-memory.dmp
memory/848-135-0x00000000054F0000-0x0000000005A94000-memory.dmp
memory/848-136-0x0000000004F40000-0x0000000004FDC000-memory.dmp
memory/848-137-0x0000000004FE0000-0x0000000005046000-memory.dmp
memory/848-138-0x0000000006990000-0x000000000699A000-memory.dmp
memory/848-139-0x0000000006BE0000-0x0000000006DA2000-memory.dmp