Analysis Overview
SHA256
505735a9c0259f19cd8a9afdcdd91f5fe2d68bd50f8a8b4c0270ad4195f6f064
Threat Level: Known bad
The file 2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza
Meduza Stealer payload
Meduza family
Checks computer location settings
Reads user/profile data of web browsers
Deletes itself
Looks up external IP address via web service
Checks installed software on the system
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
Browser Information Discovery
Unsigned PE
outlook_win_path
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
outlook_office_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-07 02:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-07 02:41
Reported
2024-11-07 02:44
Platform
win7-20241023-en
Max time kernel
122s
Max time network
124s
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-1-5-21-1163522206-1469769407-485553996-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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 2580 set thread context of 472 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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_4749a14d4e7627a3eec30b9d9f0f362f_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_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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_4749a14d4e7627a3eec30b9d9f0f362f_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 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
Files
memory/472-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-9-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-7-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp
memory/472-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-26-0x0000000140000000-0x000000014013E000-memory.dmp
memory/472-27-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-07 02:41
Reported
2024-11-07 02:44
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
150s
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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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 2512 set thread context of 224 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-07_4749a14d4e7627a3eec30b9d9f0f362f_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_4749a14d4e7627a3eec30b9d9f0f362f_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 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.12.26.104.in-addr.arpa | udp |
| 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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/224-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/224-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/224-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/224-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/224-10-0x0000000140000000-0x000000014013E000-memory.dmp