meduza | f6552456b6439f2c1635b26fc5a84a4ecfe793a9431cdc8c6ea4f326e47ff997

General

Target

lnstaller.exe
Size

1.8MB
MD5

9ef764eb564aba86fd3f598b8952b55f
SHA1

b2d8ca79c12fd3f5230929dfda5e9bff2f157501
SHA256

1e5b4bdff3df4296f814b75f243e9b605c28c126b3a547b251b0aff90fd3f0b9
SHA512

29559dd79054a85c48adb8329a38b825d72ac64a423324c66f4a8b392efc3678112240cdb44cbaf696ac19a31a7607b05d93a33f2e1a087a1be37dbc3c97383e
SSDEEP

24576:FQ7eZ9qzOohIK2He63Rf1BAh0lhSMXlPnub7836M4bAy4IjCk2MdV+Iei5I:q7eZWOo3mvufmn4blNjCTI

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

109.172.94.66

Attributes

anti_dbg
true
anti_vm
true
build_name
Ipa
extensions
.txt
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 1 IoCs

resource	yara_rule
behavioral1/memory/3660-16-0x00000187DBDE0000-0x00000187DBF26000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	lnstaller.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	lnstaller.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	lnstaller.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	lnstaller.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	lnstaller.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	lnstaller.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
7	api.ipify.org
6	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3660	lnstaller.exe
3660	lnstaller.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3660	lnstaller.exe
Token: SeImpersonatePrivilege	3660	lnstaller.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	lnstaller.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	lnstaller.exe

C:\Users\Admin\AppData\Local\Temp\lnstaller.exe
"C:\Users\Admin\AppData\Local\Temp\lnstaller.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3660

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

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Downloads

memory/3660-0-0x00007FFE8F2E0000-0x00007FFE8F2E1000-memory.dmp

Filesize
4KB

Download
memory/3660-15-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3660-14-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3660-17-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3660-18-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3660-9-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3660-8-0x00007FFF0F25A000-0x00007FFF0F25B000-memory.dmp

Filesize
4KB

Download
memory/3660-16-0x00000187DBDE0000-0x00000187DBF26000-memory.dmp

Filesize
1.3MB

Download
memory/3660-25-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download
memory/3660-26-0x00007FFF0F230000-0x00007FFF0F425000-memory.dmp

Filesize
2.0MB

Download

Analysis

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