Malware Analysis Report

2024-11-13 16:32

Sample ID 241109-hcw6tsynfv
Target 2efdd766c7ea80e938f375001d0b59c6.exe
SHA256 dc182d5c9b26e7f6c54df8b516cf3b4b3a66895c85100accdc7f3751c3c60a76
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

dc182d5c9b26e7f6c54df8b516cf3b4b3a66895c85100accdc7f3751c3c60a76

Threat Level: Known bad

The file 2efdd766c7ea80e938f375001d0b59c6.exe was found to be: Known bad.

Malicious Activity Summary

meduza collection discovery spyware stealer

Meduza

Meduza Stealer payload

Meduza family

Reads user/profile data of web browsers

Checks computer location settings

Checks installed software on the system

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Browser Information Discovery

Unsigned PE

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 06:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 06:36

Reported

2024-11-09 06:38

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

"C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe"

C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 06:36

Reported

2024-11-09 06:38

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.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

Meduza family

meduza

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.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 624 set thread context of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

Browser Information Discovery

discovery

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe
PID 624 wrote to memory of 3828 N/A C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

"C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe"

C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

C:\Users\Admin\AppData\Local\Temp\2efdd766c7ea80e938f375001d0b59c6.exe

Network

Country Destination Domain Proto
NL 62.60.217.17:15666 tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 17.217.60.62.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 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp

Files

memory/3828-0-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3828-1-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3828-2-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3828-3-0x0000000140000000-0x000000014013E000-memory.dmp

memory/3828-12-0x0000000140000000-0x000000014013E000-memory.dmp