Malware Analysis Report

2024-11-13 16:32

Sample ID 241106-eehjnswqcm
Target 91b2d45daae10e1bf5348028f3785581.exe
SHA256 3bf9143cb56f6f414b6a97c36bb0d85faaf5800eed96b82d8e344a39f5d6c25d
Tags
meduza collection discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

3bf9143cb56f6f414b6a97c36bb0d85faaf5800eed96b82d8e344a39f5d6c25d

Threat Level: Known bad

The file 91b2d45daae10e1bf5348028f3785581.exe was found to be: Known bad.

Malicious Activity Summary

meduza collection discovery spyware stealer

Meduza

Meduza Stealer payload

Meduza family

Checks computer location settings

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Checks installed software on the system

Suspicious use of SetThreadContext

Browser Information Discovery

Unsigned PE

outlook_win_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 03:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 03:51

Reported

2024-11-06 03:53

Platform

win7-20241010-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe"

Signatures

Meduza

stealer meduza

Meduza Stealer payload

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

Meduza family

meduza

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1596 set thread context of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

Browser Information Discovery

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 1596 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

"C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe"

C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

Network

Country Destination Domain Proto
NL 89.22.239.174:15666 tcp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 api.ipify.org tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp

Files

memory/2844-0-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-9-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-11-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-12-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-7-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

memory/2844-6-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-5-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-4-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-3-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-1-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-2-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-26-0x0000000140000000-0x000000014013E000-memory.dmp

memory/2844-27-0x0000000140000000-0x000000014013E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 03:51

Reported

2024-11-06 03:53

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe"

Signatures

Meduza

stealer meduza

Meduza Stealer payload

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

Meduza family

meduza

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4084 set thread context of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

Browser Information Discovery

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe
PID 4084 wrote to memory of 3680 N/A C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

"C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe"

C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

C:\Users\Admin\AppData\Local\Temp\91b2d45daae10e1bf5348028f3785581.exe

Network

Country Destination Domain Proto
NL 89.22.239.174:15666 tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 8.8.8.8:53 174.239.22.89.in-addr.arpa udp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3680-1-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3680-0-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3680-2-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3680-3-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3680-12-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3680-13-0x0000000140000000-0x000000014013E000-memory.dmp