Malware Analysis Report

2024-10-18 23:03

Sample ID 220420-czsh9sdgfl
Target 9e256310bb9316d55073d61431691cd18b17a8998026270aaaba57f74098b747
SHA256 9e256310bb9316d55073d61431691cd18b17a8998026270aaaba57f74098b747
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

9e256310bb9316d55073d61431691cd18b17a8998026270aaaba57f74098b747

Threat Level: Known bad

The file 9e256310bb9316d55073d61431691cd18b17a8998026270aaaba57f74098b747 was found to be: Known bad.

Malicious Activity Summary

matiex collection keylogger spyware stealer

Matiex

Matiex Main Payload

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

outlook_win_path

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

outlook_office_path

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 02:41

Platform

win7-20220414-en

Max time kernel

64s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Payment.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 freegeoip.app N/A N/A
N/A checkip.dyndns.org N/A N/A
N/A freegeoip.app N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 860 set thread context of 1428 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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege 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-1-5-21-790309383-526510583-3802439154-1000\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"

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

Files

memory/860-54-0x0000000000E40000-0x0000000000F00000-memory.dmp

memory/860-55-0x0000000004F80000-0x0000000004FFA000-memory.dmp

memory/860-56-0x0000000076191000-0x0000000076193000-memory.dmp

memory/860-57-0x0000000000550000-0x0000000000553000-memory.dmp

memory/1428-58-0x000000000046CE6E-mapping.dmp

memory/1428-60-0x0000000000400000-0x0000000000472000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-20 02:31

Reported

2022-04-20 02:41

Platform

win10v2004-20220414-en

Max time kernel

175s

Max time network

188s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Payment.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-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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 2040 set thread context of 4612 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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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
NL 8.238.24.126:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
NL 8.238.24.126:80 tcp
NL 8.238.24.126:80 tcp
NL 8.238.24.126:80 tcp
GB 51.104.15.252:443 tcp
NL 8.238.24.126:80 tcp
NL 8.238.24.126:80 tcp
NL 8.238.24.126:80 tcp
NL 8.238.23.254:80 tcp
US 8.8.8.8:53 checkip.dyndns.org udp
US 158.101.44.242:80 checkip.dyndns.org tcp
US 8.8.8.8:53 freegeoip.app udp
US 188.114.96.0:443 freegeoip.app tcp
US 93.184.220.29:80 tcp
US 204.79.197.203:80 tcp
NL 8.238.21.254:80 tcp
NL 8.238.24.126:80 tcp
NL 8.238.23.254:80 tcp
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp

Files

memory/2040-130-0x0000000000FB0000-0x0000000001070000-memory.dmp

memory/2040-131-0x00000000059B0000-0x0000000005A42000-memory.dmp

memory/4612-132-0x0000000000000000-mapping.dmp

memory/2040-133-0x0000000006300000-0x0000000006303000-memory.dmp

memory/4612-134-0x0000000000400000-0x0000000000472000-memory.dmp

memory/4612-135-0x00000000057B0000-0x0000000005D54000-memory.dmp

memory/4612-136-0x00000000052A0000-0x000000000533C000-memory.dmp

memory/4612-137-0x0000000005340000-0x00000000053A6000-memory.dmp

memory/4612-138-0x0000000006600000-0x000000000660A000-memory.dmp

memory/4612-139-0x0000000006DC0000-0x0000000006F82000-memory.dmp

memory/4612-140-0x00000000051D3000-0x00000000051D5000-memory.dmp