Malware Analysis Report

2024-10-18 23:03

Sample ID 220420-czzbtahea6
Target 1192f1e83a68ab15df7d769531a9e0801e3885ca255b5e39e6d6efba20a09878
SHA256 1192f1e83a68ab15df7d769531a9e0801e3885ca255b5e39e6d6efba20a09878
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

1192f1e83a68ab15df7d769531a9e0801e3885ca255b5e39e6d6efba20a09878

Threat Level: Known bad

The file 1192f1e83a68ab15df7d769531a9e0801e3885ca255b5e39e6d6efba20a09878 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

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

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

36s

Max time network

131s

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 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

Description Indicator Process Target
PID 1788 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Payment.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1788 wrote to memory of 1636 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-1-5-21-790309383-526510583-3802439154-1000\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

"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-1-5-21-1809750270-3141839489-3074374771-1000\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

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