Analysis Overview
SHA256
418aee32d686faac6b2281bc194399bea71da7857d2bb8bdc8526a88ce566762
Threat Level: Known bad
The file 2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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
Deletes itself
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
Browser Information Discovery
outlook_win_path
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-07 01:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-07 01:51
Reported
2024-11-07 01:54
Platform
win10v2004-20241007-en
Max time kernel
94s
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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 4752 set thread context of 452 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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_2948ce175adf6a2bfc11b98d54ceaa2a_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 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.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 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/452-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/452-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/452-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/452-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/452-12-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-07 01:51
Reported
2024-11-07 01:54
Platform
win7-20240903-en
Max time kernel
121s
Max time network
126s
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-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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 1788 set thread context of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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_2948ce175adf6a2bfc11b98d54ceaa2a_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_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-07_2948ce175adf6a2bfc11b98d54ceaa2a_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_2948ce175adf6a2bfc11b98d54ceaa2a_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 | 142.250.187.195:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.19.117.22:80 | crl.microsoft.com | tcp |
Files
memory/2352-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-10-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-8-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-7-0x000007FFFFFDA000-0x000007FFFFFDB000-memory.dmp
memory/2352-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-25-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2352-26-0x0000000140000000-0x000000014013E000-memory.dmp