Malware Analysis Report

2024-11-30 20:43

Sample ID 241118-3r92fsspem
Target b7810d0c1c94831ffef11223725bc9d1.exe
SHA256 48a5eb3b0d4d5b8c3b8ae32b638ee0b0b5fb1ce45bb4c30463d697720a136974
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

48a5eb3b0d4d5b8c3b8ae32b638ee0b0b5fb1ce45bb4c30463d697720a136974

Threat Level: Known bad

The file b7810d0c1c94831ffef11223725bc9d1.exe was found to be: Known bad.

Malicious Activity Summary

meduza collection discovery spyware stealer

Meduza

Meduza family

Meduza Stealer payload

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

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 23:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 23:46

Reported

2024-11-18 23:48

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.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-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.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-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.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 1292 set thread context of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

Browser Information Discovery

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 1292 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

"C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe"

C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

Network

Country Destination Domain Proto
RU 193.3.19.151:15666 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 c.pki.goog udp
GB 142.250.200.3:80 c.pki.goog tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.252.157:80 crl.microsoft.com tcp
US 8.8.8.8:53 www.microsoft.com udp
GB 95.100.245.144:80 www.microsoft.com tcp

Files

memory/2384-2-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-7-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-12-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-10-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-9-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp

memory/2384-8-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-6-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-5-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-3-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-4-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-13-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-27-0x0000000140000000-0x0000000140141000-memory.dmp

memory/2384-28-0x0000000140000000-0x0000000140141000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 23:46

Reported

2024-11-18 23:48

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.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 4912 set thread context of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

Browser Information Discovery

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
PID 4912 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

"C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe"

C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe

Network

Country Destination Domain Proto
RU 193.3.19.151:15666 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 c.pki.goog udp
GB 142.250.200.3:80 c.pki.goog tcp
US 8.8.8.8:53 151.19.3.193.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4912-0-0x00007FF712860000-0x00007FF712861000-memory.dmp

memory/3048-4-0x0000000140000000-0x0000000140141000-memory.dmp

memory/3048-5-0x0000000140000000-0x0000000140141000-memory.dmp

memory/3048-7-0x0000000140000000-0x0000000140141000-memory.dmp

memory/3048-6-0x0000000140000000-0x0000000140141000-memory.dmp

memory/3048-16-0x0000000140000000-0x0000000140141000-memory.dmp

memory/3048-17-0x0000000140000000-0x0000000140141000-memory.dmp