meduza | 2243d17659fa19d6fddb0394328d3971c785e83c965b56aa7ca83b21690740c0

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 01:32

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General

Target

2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
Size

4.1MB
MD5

35835bdc42de98d2cd41e46e3591ebb2
SHA1

6bb80cfc8c54c45ffc7a032440a09bc8a3969a60
SHA256

2243d17659fa19d6fddb0394328d3971c785e83c965b56aa7ca83b21690740c0
SHA512

9c5b491f23d2eaf99ca250774eed1c9f50afb76a03a61dee5cfc53d7f33dc735e72ce906b9754ee18656c9f39f59eb137481fdf1412d64150059ebaad88b5bf7
SSDEEP

49152:/xGK0l3e3uBGzz1e3yNc8PY84PgJqWJv/D2TGbubGZ:/xGK09yuYZ

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
703
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 48 IoCs

resource	yara_rule
behavioral1/memory/1640-7-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-21-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-28-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-26-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-24-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-23-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-22-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-20-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-18-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-13-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-8-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-6-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-17-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-16-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-15-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-11-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-5-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-47-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-52-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-53-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-51-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-49-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-48-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-46-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-45-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-43-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-42-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-84-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-82-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-80-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-78-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-77-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-73-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-72-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-68-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-67-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-63-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-62-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-60-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-89-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-88-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-86-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-58-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-57-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-55-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-54-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-91-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/1640-92-0x0000000140000000-0x00000001401FA000-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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\International\Geo\Nation	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe

Deletes itself 1 IoCs

pid	Process
2836	cmd.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-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_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 2396 set thread context of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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
2836	cmd.exe
684	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
684	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1640	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
Token: SeImpersonatePrivilege	1640	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 2396 wrote to memory of 1640	2396	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	30
PID 1640 wrote to memory of 2836	1640	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	33
PID 1640 wrote to memory of 2836	1640	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	33
PID 1640 wrote to memory of 2836	1640	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe	33
PID 2836 wrote to memory of 684	2836	cmd.exe	35
PID 2836 wrote to memory of 684	2836	cmd.exe	35
PID 2836 wrote to memory of 684	2836	cmd.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_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:1640
- - 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\2024-11-19_35835bdc42de98d2cd41e46e3591ebb2_ryuk.exe"
    3⤵
    - Deletes itself
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - 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:684

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/1640-2-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-7-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-21-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-28-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-26-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-24-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-23-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-22-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-20-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-18-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-13-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-8-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-6-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-4-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-17-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-16-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-15-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-3-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-11-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-9-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/1640-5-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-47-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-52-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-53-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-51-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-49-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-48-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-46-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-45-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-43-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-42-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-84-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-82-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-80-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-78-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-77-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-73-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-72-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-68-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-67-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-63-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-62-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-60-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-89-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-88-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-86-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-58-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-57-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-55-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-54-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-91-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/1640-92-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download