Analysis Overview
SHA256
93626f2a12a4ab1fbe7e284af0a3368c4041e58428f18429acc64d3f09067a29
Threat Level: Known bad
The file 2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza Stealer payload
Meduza family
Meduza
Checks computer location settings
Reads user/profile data of web browsers
Checks installed software on the system
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Browser Information Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
outlook_office_path
outlook_win_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-16 15:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-16 15:55
Reported
2024-11-16 15:58
Platform
win7-20240729-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Meduza
Meduza Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1916 set thread context of 2892 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe |
Browser Information Discovery
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| BE | 45.130.145.152:15666 | tcp | |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 216.58.201.99:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 184.25.193.234:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 88.221.134.83:80 | crl.microsoft.com | tcp |
Files
memory/2892-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-13-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-14-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-9-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp
memory/2892-8-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-7-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-28-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2892-29-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-16 15:55
Reported
2024-11-16 15:58
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Meduza
Meduza Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 868 set thread context of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe |
Browser Information Discovery
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-16_dd0b9382bc7d77840b168800bc8cb812_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| BE | 45.130.145.152:15666 | tcp | |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 172.67.74.152:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 216.58.201.99:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.145.130.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.74.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.201.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
memory/868-0-0x00007FF6F20A0000-0x00007FF6F20A1000-memory.dmp
memory/2524-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2524-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2524-7-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2524-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2524-16-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2524-17-0x0000000140000000-0x000000014013E000-memory.dmp