meduza | d0299b999009b5700af1cdddb60c7dd59981455b0517be4a173816e0fbc1e88d

General

Target

kthkksefd.exe
Size

2.0MB
MD5

463c27805e5dd59d239cf448abdb0b1d
SHA1

6a55fc0c6062b77a09826233f6e8eee92685ed88
SHA256

d0299b999009b5700af1cdddb60c7dd59981455b0517be4a173816e0fbc1e88d
SHA512

2ac662b3d398f16ff611b2dc3682c4b0e62936cbe8f3da148e10df4208d692cf2456281c4bc71a7d5683f39a09f55fdbf747258338990647050955b87e5fa884
SSDEEP

49152:eWluOKJkZt0J4Nsf0wZXeFaQ4ELmCdkwVcmqEuuLf5:enELrVcUuy

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

62.60.244.198

Attributes

anti_dbg
true
anti_vm
true
build_name
meto4ka
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite;.kdbx
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 4 IoCs

resource	yara_rule
behavioral1/memory/2424-4-0x000000013FCC0000-0x000000013FEBA000-memory.dmp	family_meduza
behavioral1/memory/2424-26-0x000000013FCC0000-0x000000013FEBA000-memory.dmp	family_meduza
behavioral1/memory/2424-28-0x000000013FCC0000-0x000000013FEBA000-memory.dmp	family_meduza
behavioral1/memory/2424-30-0x000000013FCC0000-0x000000013FEBA000-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-1-5-21-3551809350-4263495960-1443967649-1000\Control Panel\International\Geo\Nation	kthkksefd.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-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kthkksefd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kthkksefd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kthkksefd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kthkksefd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kthkksefd.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
6	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2424	kthkksefd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	kthkksefd.exe
Token: SeImpersonatePrivilege	2424	kthkksefd.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kthkksefd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kthkksefd.exe

C:\Users\Admin\AppData\Local\Temp\kthkksefd.exe
"C:\Users\Admin\AppData\Local\Temp\kthkksefd.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2424

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/2424-2-0x000000013FD64000-0x000000013FD65000-memory.dmp

Filesize
4KB

Download
memory/2424-4-0x000000013FCC0000-0x000000013FEBA000-memory.dmp

Filesize
2.0MB

Download
memory/2424-18-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-19-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-25-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-24-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-23-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-22-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-21-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-20-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-26-0x000000013FCC0000-0x000000013FEBA000-memory.dmp

Filesize
2.0MB

Download
memory/2424-27-0x0000000000310000-0x0000000000410000-memory.dmp

Filesize
1024KB

Download
memory/2424-28-0x000000013FCC0000-0x000000013FEBA000-memory.dmp

Filesize
2.0MB

Download
memory/2424-29-0x000000013FD64000-0x000000013FD65000-memory.dmp

Filesize
4KB

Download
memory/2424-30-0x000000013FCC0000-0x000000013FEBA000-memory.dmp

Filesize
2.0MB

Download

Analysis

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