meduza | f085e411ff83f2db76a1d2f990a478c19033b75a75f88ce75b7a25cbce917a23

Analysis

max time kernel
97s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 13:05

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General

Target

2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
Size

3.6MB
MD5

ef69b6c7517e1bdb641b0acfedfbbffc
SHA1

bc651b9b96adfc61e53ee00f67e857af43fc6ec4
SHA256

f085e411ff83f2db76a1d2f990a478c19033b75a75f88ce75b7a25cbce917a23
SHA512

571aa9547e8ee39d173b0bc9a5c2087fc79ab3b9284df2eb2d1e49392c6abbd92fe0f451c7ab94d980ee9b86c66787e11898384becb5377fca2503c1294a793d
SSDEEP

49152:0QusxfsC6q2Mq5d4jVLTlDlnLHpwY3AaoqHQfFNihBdp:53p

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
570
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
behavioral2/memory/4168-1-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-2-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-7-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-14-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-15-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-21-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-20-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-17-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-13-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-10-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-9-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-6-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-0-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-22-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-29-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-30-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-33-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-34-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-35-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-41-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-40-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-42-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-37-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-36-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-44-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-72-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-67-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-79-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-85-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-87-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-80-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-95-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-94-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-76-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-74-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-66-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-61-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-60-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-57-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-54-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-51-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-49-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-55-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-47-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-43-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-98-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral2/memory/4168-99-0x0000000140000000-0x00000001401FA000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_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
8	api.ipify.org
10	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83

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
3912	cmd.exe
4532	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4532	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4168	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
4168	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4168	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
Token: SeImpersonatePrivilege	4168	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 2900 wrote to memory of 4168	2900	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	83
PID 4168 wrote to memory of 3912	4168	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	96
PID 4168 wrote to memory of 3912	4168	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe	96
PID 3912 wrote to memory of 4532	3912	cmd.exe	98
PID 3912 wrote to memory of 4532	3912	cmd.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Local\Temp\2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_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:4168
- - 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\2024-11-15_ef69b6c7517e1bdb641b0acfedfbbffc_ryuk.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3912
  - - 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:4532

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/4168-1-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-2-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-7-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-14-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-15-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-21-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-20-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-17-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-13-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-10-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-3-0x00000000C0120000-0x00000000C0121000-memory.dmp

Filesize
4KB

Download
memory/4168-9-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-6-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-0-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-22-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-29-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-30-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-33-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-34-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-35-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-41-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-40-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-42-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-37-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-36-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-44-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-72-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-67-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-79-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-85-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-87-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-80-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-95-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-94-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-76-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-74-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-66-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-61-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-60-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-57-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-54-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-51-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-49-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-55-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-47-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-43-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-98-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/4168-99-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download