Analysis Overview
SHA256
992c8c63aa0978780c459f741825cfc6e118b08a26f57cabccb08bd864e2ee5e
Threat Level: Known bad
The file 992c8c63aa0978780c459f741825cfc6e118b08a26f57cabccb08bd864e2ee5e 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 behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
outlook_office_path
outlook_win_path
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-14 12:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-14 12:23
Reported
2022-04-14 12:54
Platform
win7-20220310-en
Max time kernel
4294213s
Max time network
124s
Command Line
Signatures
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.exe"
Network
Files
memory/1968-54-0x0000000075C31000-0x0000000075C33000-memory.dmp
memory/1968-55-0x000000000046D000-0x0000000000470000-memory.dmp
memory/1084-56-0x0000000000000000-mapping.dmp
memory/1084-58-0x00000000003CD000-0x00000000003D0000-memory.dmp
memory/1476-59-0x0000000000000000-mapping.dmp
memory/1476-61-0x000000000044D000-0x0000000000450000-memory.dmp
memory/1492-62-0x0000000000000000-mapping.dmp
memory/1492-64-0x000000000036D000-0x0000000000370000-memory.dmp
memory/1524-65-0x0000000000000000-mapping.dmp
memory/1524-67-0x00000000003DD000-0x00000000003E0000-memory.dmp
memory/1140-68-0x0000000000000000-mapping.dmp
memory/1140-70-0x000000000041D000-0x0000000000420000-memory.dmp
memory/1984-71-0x0000000000000000-mapping.dmp
memory/1984-73-0x00000000003FD000-0x0000000000400000-memory.dmp
memory/1220-74-0x0000000000000000-mapping.dmp
memory/1220-76-0x000000000028D000-0x0000000000290000-memory.dmp
memory/2008-77-0x0000000000000000-mapping.dmp
memory/2008-79-0x00000000003BD000-0x00000000003C0000-memory.dmp
memory/1132-80-0x0000000000000000-mapping.dmp
memory/1132-82-0x00000000003AD000-0x00000000003B0000-memory.dmp
memory/548-83-0x0000000000000000-mapping.dmp
memory/548-85-0x000000000025D000-0x0000000000260000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-14 12:23
Reported
2022-04-14 12:54
Platform
win10v2004-20220331-en
Max time kernel
148s
Max time network
160s
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-1-5-21-157025953-3125636059-437143553-1000\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-1-5-21-157025953-3125636059-437143553-1000\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-1-5-21-157025953-3125636059-437143553-1000\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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4576 set thread context of 2472 | N/A | C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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 |
| 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\50208488 AEJEA 81890010169430.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
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\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-1-5-21-157025953-3125636059-437143553-1000\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\50208488 AEJEA 81890010169430.exe
"C:\Users\Admin\AppData\Local\Temp\50208488 AEJEA 81890010169430.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 420 -p 2472 -ip 2472
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 1128
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 1128
Network
| Country | Destination | Domain | Proto |
| RU | 23.196.236.89:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 158.101.44.242:80 | checkip.dyndns.org | tcp |
| IE | 52.109.76.30:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 52.168.117.170:443 | tcp | |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| IE | 20.190.159.5:443 | tcp | |
| IE | 20.190.159.5:443 | tcp | |
| FI | 62.115.252.81:80 | tcp | |
| FI | 62.115.252.81:80 | tcp | |
| FI | 62.115.252.81:80 | tcp | |
| BR | 132.226.247.73:80 | checkip.dyndns.org | tcp |
| US | 193.122.130.0:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| DE | 193.122.6.168:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/4576-124-0x0000000000B3D000-0x0000000000B40000-memory.dmp
memory/2472-125-0x0000000000000000-mapping.dmp
memory/2472-126-0x0000000000400000-0x0000000000472000-memory.dmp
memory/2472-127-0x00000000054F0000-0x000000000558C000-memory.dmp
memory/2472-128-0x0000000005B40000-0x00000000060E4000-memory.dmp
memory/2472-129-0x0000000005590000-0x00000000055F6000-memory.dmp
memory/4568-130-0x0000000000000000-mapping.dmp