meduza | bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41

General

Target

bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
Size

1015KB
MD5

654d8e797563258db972fc2b74d63860
SHA1

e5377b67e02a59c30925d65ba3b024966584acd1
SHA256

bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41
SHA512

e7c4df68be0c19add99134e82e806c7ec0209e60f9137dbbc9b3b2bf402e0d1828b0928c09dc0d91a6196c5628021cb8798e0028d90dad4f040a7a635b98c346
SSDEEP

24576:+PTNOyieIh0lhSMXlF6KuMokYZUUSpzCmip:+bNHPdYKuMorZUUSB

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

79.137.202.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Kitten
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx
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

resource	yara_rule
behavioral2/memory/4052-0-0x0000017EFB690000-0x0000017EFB7A7000-memory.dmp	family_meduza
behavioral2/memory/4052-7-0x0000017EFB690000-0x0000017EFB7A7000-memory.dmp	family_meduza
behavioral2/memory/4052-8-0x0000017EFB690000-0x0000017EFB7A7000-memory.dmp	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.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

Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs

collection

Email Collection

T1114

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	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.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.

flow	ioc
8	api.ipify.org
9	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4052	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
4052	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe

outlook_win_path 1 IoCs

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	bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe

C:\Users\Admin\AppData\Local\Temp\bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe
"C:\Users\Admin\AppData\Local\Temp\bf6b40d0404e6d543f60b7c4079d2d029a6b85b5739023f3ed8c87aca735cd41N.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:4052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4052-0-0x0000017EFB690000-0x0000017EFB7A7000-memory.dmp

Filesize
1.1MB

Download
memory/4052-7-0x0000017EFB690000-0x0000017EFB7A7000-memory.dmp

Filesize
1.1MB

Download
memory/4052-8-0x0000017EFB690000-0x0000017EFB7A7000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing