Analysis Overview
SHA256
9d86f9e84ac0b12fa6c1ba8bc9da448cfa07f655e44ed27f0cefaf23c609c38a
Threat Level: Known bad
The file 2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza family
Meduza
Meduza Stealer payload
Reads user/profile data of web browsers
Deletes itself
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
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_win_path
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
outlook_office_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-07 01:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-07 01:49
Reported
2024-11-07 01:52
Platform
win7-20241010-en
Max time kernel
32s
Max time network
40s
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 |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_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 2256 set thread context of 2736 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe |
Browser Information Discovery
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe
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\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe"
C:\Windows\system32\PING.EXE
ping 1.1.1.1 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| DE | 109.107.181.162:15666 | 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 | 216.58.212.227:80 | c.pki.goog | tcp |
Files
memory/2736-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-10-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-8-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-7-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp
memory/2736-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2736-27-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-07 01:49
Reported
2024-11-07 01:52
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
139s
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 |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_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 2984 set thread context of 5028 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe |
Browser Information Discovery
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\cmd.exe | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe
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\2024-11-07_191e2562e453efa46b6d40c3db9e9473_ryuk.exe"
C:\Windows\system32\PING.EXE
ping 1.1.1.1 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| DE | 109.107.181.162:15666 | tcp | |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.12.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.12.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.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 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/5028-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/5028-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/5028-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/5028-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/5028-10-0x0000000140000000-0x000000014013E000-memory.dmp