meduza | b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e

General

Target

b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Size

2.5MB
MD5

ff7dd1a36b5d47acfe5126686798360f
SHA1

0ac92e3abf73fa6cd956d0ebb49ac99bf6f52cb6
SHA256

b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e
SHA512

717d943460d56fe59303f781a94ac6e8e7b30c4efd85d167e77e52cf21d03390d424969f1a56d6ba876289665f4e7f230b95abaed667d57c2a99aaf7ae73d7ae
SSDEEP

24576:xf2KQ7MvYPh0lhSMXlo0w2LzdgVJURfmtpvcHh:tpHvZ4t46zt

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

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

resource	yara_rule
behavioral2/memory/440-1-0x0000027C4A9C0000-0x0000027C4AAFE000-memory.dmp	family_meduza
behavioral2/memory/440-10-0x0000027C4A9C0000-0x0000027C4AAFE000-memory.dmp	family_meduza
behavioral2/memory/440-11-0x0000027C4A9C0000-0x0000027C4AAFE000-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	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.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
5	api.ipify.org
4	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
440	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
440	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	440	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
Token: SeImpersonatePrivilege	440	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.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	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.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	b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe

C:\Users\Admin\AppData\Local\Temp\b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe
"C:\Users\Admin\AppData\Local\Temp\b8fd01f55852c69dec12d284b550e27cf9e577fff4a70a5d47181e7e304e7f7e.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:440

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/440-1-0x0000027C4A9C0000-0x0000027C4AAFE000-memory.dmp

Filesize
1.2MB

Download
memory/440-0-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

Filesize
2.0MB

Download
memory/440-10-0x0000027C4A9C0000-0x0000027C4AAFE000-memory.dmp

Filesize
1.2MB

Download
memory/440-11-0x0000027C4A9C0000-0x0000027C4AAFE000-memory.dmp

Filesize
1.2MB

Download

Analysis

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