Analysis Overview
SHA256
a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26
Threat Level: Known bad
The file a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26 was found to be: Known bad.
Malicious Activity Summary
Matiex
Matiex Main Payload
Meta Stealer Stealer
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks BIOS information in registry
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Maps connected drives based on registry
Suspicious use of SetThreadContext
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-15 12:24
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-15 12:24
Reported
2022-04-15 12:27
Platform
win7-20220414-en
Max time kernel
56s
Max time network
44s
Command Line
Signatures
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe"
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"{path}"
Network
Files
memory/1936-54-0x00000000003B0000-0x0000000000444000-memory.dmp
memory/1936-55-0x0000000000BD0000-0x0000000000BEC000-memory.dmp
memory/1936-56-0x0000000007F10000-0x0000000007FCA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-15 12:24
Reported
2022-04-15 12:27
Platform
win10v2004-en-20220113
Max time kernel
119s
Max time network
139s
Command Line
Signatures
Matiex
Matiex Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Meta Stealer Stealer
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1684 set thread context of 4776 | N/A | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe"
C:\Users\Admin\AppData\Local\Temp\a00b538eec95df8ee432d6a97aa485caaae707b47dec573d8f6943b4eaef0b26.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4776 -ip 4776
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 1728
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 193.122.130.0:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
Files
memory/1684-130-0x0000000000FB0000-0x0000000001044000-memory.dmp
memory/1684-131-0x00000000060D0000-0x0000000006674000-memory.dmp
memory/1684-132-0x0000000005A10000-0x0000000005AA2000-memory.dmp
memory/1684-133-0x00000000059F0000-0x00000000059FA000-memory.dmp
memory/1684-134-0x00000000096A0000-0x0000000009BCC000-memory.dmp
memory/1684-135-0x0000000009FA0000-0x000000000A03C000-memory.dmp
memory/1684-136-0x000000000A040000-0x000000000A0A6000-memory.dmp
memory/4776-137-0x0000000000000000-mapping.dmp
memory/4776-138-0x0000000000400000-0x0000000000476000-memory.dmp