meduza | f58f565ea57ad0e9790bc776ec1b2a8d891065a237b55205c3e94c64ce8868fa

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 12:41

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General

Target

2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
Size

4.1MB
MD5

a88a7848a66a3ab2018b141b43f7d22d
SHA1

d6c8775d28f6e2428a5ddc75276cf8f7a3358ca4
SHA256

f58f565ea57ad0e9790bc776ec1b2a8d891065a237b55205c3e94c64ce8868fa
SHA512

fcc6df54d9d314cd8486c5b72d1e0246822b3637fdb50dfcdab8b65ee78d532deffa19eba26c1051ab825441a3debc0a590532924384e848699d9e54649c734b
SSDEEP

49152:/xGK0l3e3u5dhCjuv3nZpWY6eKsHolcvyNCkgk0Z:/xGK09yu9Z

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

109.107.181.162

Attributes

anti_dbg
true
anti_vm
true
build_name
750
extensions
none
grabber_max_size
1.048576e+06
links
none
port
15666
self_destruct
true

Signatures

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

Meduza Stealer payload 47 IoCs

resource	yara_rule
behavioral1/memory/2188-10-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-19-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-21-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-17-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-20-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-25-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-27-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-23-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-22-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-16-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-15-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-12-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-7-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-14-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-8-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-6-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-5-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-42-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-49-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-51-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-50-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-47-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-46-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-45-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-44-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-41-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-52-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-80-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-82-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-78-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-76-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-75-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-71-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-70-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-66-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-65-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-61-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-60-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-58-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-56-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-55-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-53-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-87-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-86-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-84-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-89-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2188-90-0x0000000140000000-0x00000001401FA000-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-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.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-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
284	cmd.exe
1280	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1280	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2188	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
Token: SeImpersonatePrivilege	2188	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2972 wrote to memory of 2188	2972	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	30
PID 2188 wrote to memory of 284	2188	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	33
PID 2188 wrote to memory of 284	2188	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	33
PID 2188 wrote to memory of 284	2188	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe	33
PID 284 wrote to memory of 1280	284	cmd.exe	35
PID 284 wrote to memory of 1280	284	cmd.exe	35
PID 284 wrote to memory of 1280	284	cmd.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2188
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\2024-11-21_a88a7848a66a3ab2018b141b43f7d22d_ryuk.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:284
  - - C:\Windows\system32\PING.EXE
      ping 1.1.1.1 -n 1 -w 3000
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1280

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

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2188-3-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-10-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-19-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-21-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-17-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-20-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-25-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-27-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-23-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-22-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-16-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-15-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-12-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-9-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp

Filesize
4KB

Download
memory/2188-7-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-14-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-8-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-6-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-5-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-4-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-2-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-42-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-49-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-51-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-50-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-47-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-46-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-45-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-44-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-41-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-52-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-80-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-82-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-78-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-76-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-75-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-71-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-70-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-66-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-65-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-61-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-60-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-58-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-56-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-55-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-53-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-87-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-86-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-84-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-89-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2188-90-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download