Malware Analysis Report

2024-10-18 23:03

Sample ID 220420-czz84shea7
Target 0a6959c181966748ce98202d123ed479ce076b6d4db9eae9d2cbb62ac42dca49
SHA256 0a6959c181966748ce98202d123ed479ce076b6d4db9eae9d2cbb62ac42dca49
Tags
matiex collection keylogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0a6959c181966748ce98202d123ed479ce076b6d4db9eae9d2cbb62ac42dca49

Threat Level: Known bad

The file 0a6959c181966748ce98202d123ed479ce076b6d4db9eae9d2cbb62ac42dca49 was found to be: Known bad.

Malicious Activity Summary

matiex collection keylogger spyware stealer

Matiex Main Payload

Matiex

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

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

outlook_win_path

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-20 02:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-20 02:31

Reported

2022-04-20 02:42

Platform

win7-20220414-en

Max time kernel

64s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe"

Signatures

Matiex

stealer keylogger matiex

Matiex Main Payload

Description Indicator Process Target
N/A N/A N/A N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
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
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 1156 set thread context of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.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: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.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 1156 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1156 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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\invoice _25280.exe

"C:\Users\Admin\AppData\Local\Temp\invoice _25280.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 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 freegeoip.app udp
US 188.114.97.0:443 freegeoip.app tcp

Files

memory/1156-54-0x0000000000190000-0x0000000000250000-memory.dmp

memory/1156-55-0x0000000004FC0000-0x000000000503A000-memory.dmp

memory/1156-56-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

memory/1640-57-0x000000000046CE6E-mapping.dmp

memory/1156-59-0x00000000003F0000-0x00000000003F3000-memory.dmp

memory/1640-60-0x0000000000400000-0x0000000000472000-memory.dmp

memory/1640-61-0x0000000005995000-0x00000000059A6000-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

136s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe"

Signatures

Matiex

stealer keylogger matiex

Matiex Main Payload

Description Indicator Process Target
N/A N/A N/A N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
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\RegAsm.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\RegAsm.exe N/A
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\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 1280 set thread context of 1556 N/A C:\Users\Admin\AppData\Local\Temp\invoice _25280.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\invoice _25280.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

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\RegAsm.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\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe

"C:\Users\Admin\AppData\Local\Temp\invoice _25280.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
GB 51.104.15.253:443 tcp
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 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp

Files

memory/1280-130-0x00000000005A0000-0x0000000000660000-memory.dmp

memory/1280-131-0x0000000004FC0000-0x0000000005052000-memory.dmp

memory/1556-132-0x0000000000000000-mapping.dmp

memory/1556-133-0x0000000000400000-0x0000000000472000-memory.dmp

memory/1280-134-0x00000000050D0000-0x00000000050D3000-memory.dmp

memory/1556-135-0x0000000005BA0000-0x0000000006144000-memory.dmp

memory/1556-136-0x0000000005510000-0x00000000055AC000-memory.dmp

memory/1556-137-0x00000000055F0000-0x0000000005656000-memory.dmp

memory/1556-138-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

memory/1556-139-0x00000000071E0000-0x00000000073A2000-memory.dmp