meduza | 69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 09:25

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General

Target

brozer.exe
Size

2.5MB
MD5

183e24b654414d7be786ccd8e6a108a5
SHA1

a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA256

69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA512

8cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b
SSDEEP

24576:MoEKQByjnqh0lhSMXlybSXuRVRoTahOpEfc:jLzjneSan

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

45.130.145.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Work
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
grabber_max_size
4.194304e+06
port
15666
self_destruct
false

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/640-1-0x000002827D960000-0x000002827DA9E000-memory.dmp	family_meduza
behavioral2/memory/640-10-0x000002827D960000-0x000002827DA9E000-memory.dmp	family_meduza
behavioral2/memory/640-11-0x000002827D960000-0x000002827DA9E000-memory.dmp	family_meduza

Meduza family
meduza
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

brozer.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation brozer.exe
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	brozer.exe

Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs

collection

Email Collection

T1114

Processes:

brozer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	brozer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	brozer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	brozer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	brozer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	brozer.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

brozer.exe

pid process

640 brozer.exe
640 brozer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

brozer.exe

description pid process

Token: SeDebugPrivilege 640 brozer.exe
Token: SeImpersonatePrivilege 640 brozer.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

pid	process
640	brozer.exe
640	brozer.exe

description	pid	process
Token: SeDebugPrivilege	640	brozer.exe
Token: SeImpersonatePrivilege	640	brozer.exe

outlook_office_path 1 IoCs

Processes:

brozer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	brozer.exe

outlook_win_path 1 IoCs

Processes:

brozer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	brozer.exe

C:\Users\Admin\AppData\Local\Temp\brozer.exe
"C:\Users\Admin\AppData\Local\Temp\brozer.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/640-1-0x000002827D960000-0x000002827DA9E000-memory.dmp

Filesize
1.2MB

Download
memory/640-0-0x00007FF891F70000-0x00007FF892165000-memory.dmp

Filesize
2.0MB

Download
memory/640-10-0x000002827D960000-0x000002827DA9E000-memory.dmp

Filesize
1.2MB

Download
memory/640-11-0x000002827D960000-0x000002827DA9E000-memory.dmp

Filesize
1.2MB

Download