Malware Analysis Report

2024-11-30 20:35

Sample ID 241117-mhcftsyakp
Target b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf
SHA256 b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf
Tags
meduza stealer collection discovery spyware
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

b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf

Threat Level: Known bad

The file b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf was found to be: Known bad.

Malicious Activity Summary

meduza stealer collection discovery spyware

Meduza Stealer payload

Meduza

Meduza family

Checks computer location settings

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks installed software on the system

Browser Information Discovery

Unsigned PE

outlook_win_path

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 10:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 10:27

Reported

2024-11-17 10:30

Platform

win7-20240903-en

Max time kernel

122s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.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

Meduza family

meduza

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A

Looks up external IP address via web service

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe

"C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2668 -s 672

Network

Country Destination Domain Proto
BE 45.130.145.152:15666 tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp

Files

memory/2668-0-0x0000000001C50000-0x0000000001D8E000-memory.dmp

memory/2668-1-0x0000000001C50000-0x0000000001D8E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 10:27

Reported

2024-11-17 10:30

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.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

Meduza family

meduza

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.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

Browser Information Discovery

discovery

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe

"C:\Users\Admin\AppData\Local\Temp\b2732856dccc016cbeb518fbd84249af6f8c7e3873483c8618555979e70788bf.exe"

Network

Country Destination Domain Proto
BE 45.130.145.152:15666 tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp
US 8.8.8.8:53 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 152.145.130.45.in-addr.arpa udp
US 8.8.8.8:53 205.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 99.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4204-0-0x00007FFFC19F0000-0x00007FFFC1BE5000-memory.dmp

memory/4204-1-0x000001C960960000-0x000001C960A9E000-memory.dmp

memory/4204-10-0x000001C960960000-0x000001C960A9E000-memory.dmp

memory/4204-11-0x000001C960960000-0x000001C960A9E000-memory.dmp