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
Meduza family
Meduza Stealer payload
Reads user/profile data of web browsers
Checks computer location settings
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Checks installed software on the system
Suspicious use of SetThreadContext
Browser Information Discovery
Unsigned PE
outlook_win_path
Suspicious behavior: EnumeratesProcesses
outlook_office_path
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-16 16:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-16 16:00
Reported
2024-11-16 16:02
Platform
win10v2004-20241007-en
Max time kernel
78s
Max time network
143s
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-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\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 |
| Key opened | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\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 2980 set thread context of 4864 | 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-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| 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 | 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 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.201.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/2980-0-0x00007FF72D230000-0x00007FF72D231000-memory.dmp
memory/4864-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/4864-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/4864-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/4864-7-0x0000000140000000-0x000000014013E000-memory.dmp
memory/4864-14-0x0000000140000000-0x000000014013E000-memory.dmp
memory/4864-15-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-16 16:00
Reported
2024-11-16 16:02
Platform
win7-20240903-en
Max time kernel
117s
Max time network
119s
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-1-5-21-1846800975-3917212583-2893086201-1000\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-1-5-21-1846800975-3917212583-2893086201-1000\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 |
| Key opened | \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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-1-5-21-1846800975-3917212583-2893086201-1000\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-1-5-21-1846800975-3917212583-2893086201-1000\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-1-5-21-1846800975-3917212583-2893086201-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\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 2140 set thread context of 2600 | 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-1-5-21-1846800975-3917212583-2893086201-1000\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-1-5-21-1846800975-3917212583-2893086201-1000\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 | crl.microsoft.com | udp |
| GB | 88.221.134.83:80 | crl.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 23.192.22.93:80 | www.microsoft.com | tcp |
Files
memory/2600-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-10-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-9-0x000007FFFFFD3000-0x000007FFFFFD4000-memory.dmp
memory/2600-8-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-7-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-13-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-27-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2600-28-0x0000000140000000-0x000000014013E000-memory.dmp