meduza | f4bd3afe930406d9c45c3b8c5fb5a62ae83fab7a04b26cec81859797fd359311

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

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

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General

Target

2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe
Size

4.1MB
MD5

b4bb8eb96c15d1f370024c0fa700f5f3
SHA1

aeaca716e1e0edc6988899e5569422a31548f1bf
SHA256

f4bd3afe930406d9c45c3b8c5fb5a62ae83fab7a04b26cec81859797fd359311
SHA512

d745d0b181fa5d72c1255e24a352bc5a6ede6c1e9b32299f459439b8d097dd43d8627c885b79fed05d2e18564731cc1e2b9bcef6d2ceb52da849fdbccb2d1bd1
SSDEEP

49152:/xGK0l3e3u+P0YY0+uOoCVlUsR5cdFRuc4UphfVuZ:/xGK09yurZ

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
592
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/2792-5-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-10-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-20-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-25-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-27-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-22-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-21-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-17-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-15-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-16-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-23-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-14-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-19-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-8-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-12-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-6-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-7-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-43-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-47-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-52-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-83-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-81-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-85-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-79-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-78-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-74-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-69-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-56-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-55-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-73-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-68-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-64-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-63-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-61-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-59-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-58-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-54-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-50-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-49-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-48-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-53-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-87-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-89-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-91-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-45-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-93-0x0000000140000000-0x00000001401FA000-memory.dmp	family_meduza
behavioral1/memory/2792-94-0x0000000140000000-0x00000001401FA000-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_b4bb8eb96c15d1f370024c0fa700f5f3_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_b4bb8eb96c15d1f370024c0fa700f5f3_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_b4bb8eb96c15d1f370024c0fa700f5f3_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_b4bb8eb96c15d1f370024c0fa700f5f3_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_b4bb8eb96c15d1f370024c0fa700f5f3_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_b4bb8eb96c15d1f370024c0fa700f5f3_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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31

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
2856	cmd.exe
2644	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2644	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2792	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe
Token: SeImpersonatePrivilege	2792	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2744 wrote to memory of 2792	2744	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	31
PID 2792 wrote to memory of 2856	2792	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	33
PID 2792 wrote to memory of 2856	2792	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	33
PID 2792 wrote to memory of 2856	2792	2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe	33
PID 2856 wrote to memory of 2644	2856	cmd.exe	35
PID 2856 wrote to memory of 2644	2856	cmd.exe	35
PID 2856 wrote to memory of 2644	2856	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_b4bb8eb96c15d1f370024c0fa700f5f3_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_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe
  C:\Users\Admin\AppData\Local\Temp\2024-11-21_b4bb8eb96c15d1f370024c0fa700f5f3_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:2792
- - 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_b4bb8eb96c15d1f370024c0fa700f5f3_ryuk.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - 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:2644

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/2792-2-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-5-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-10-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-20-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-25-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-27-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-22-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-21-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-17-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-15-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-16-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-23-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-14-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-19-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-9-0x000007FFFFFD3000-0x000007FFFFFD4000-memory.dmp

Filesize
4KB

Download
memory/2792-8-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-12-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-6-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-7-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-4-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-3-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-43-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-47-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-52-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-83-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-81-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-85-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-79-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-78-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-74-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-69-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-56-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-55-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-73-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-68-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-64-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-63-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-61-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-59-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-58-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-54-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-50-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-49-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-48-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-53-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-87-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-89-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-91-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-45-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-93-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download
memory/2792-94-0x0000000140000000-0x00000001401FA000-memory.dmp

Filesize
2.0MB

Download