Analysis Overview
SHA256
8d73947fdf76541b7eac9a3f92d0ed7b284090dd899170a4f918fc73acfd16e6
Threat Level: Known bad
The file 2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza
Meduza family
Meduza Stealer payload
Deletes itself
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
System Network Configuration Discovery: Internet Connection Discovery
Unsigned PE
Enumerates physical storage devices
Browser Information Discovery
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
2024-11-06 06:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 06:23
Reported
2024-11-06 06:26
Platform
win7-20240903-en
Max time kernel
118s
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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_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-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_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 2124 set thread context of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe |
Browser Information Discovery
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\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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 | 172.67.74.152:443 | 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 | crl.microsoft.com | udp |
| GB | 2.19.252.157:80 | crl.microsoft.com | tcp |
Files
memory/2880-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-9-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-7-0x000007FFFFFD4000-0x000007FFFFFD5000-memory.dmp
memory/2880-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-26-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2880-27-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 06:23
Reported
2024-11-06 06:26
Platform
win10v2004-20241007-en
Max time kernel
134s
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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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 1092 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_2bd4345fb9942af619751c63586b9aad_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\2024-11-06_2bd4345fb9942af619751c63586b9aad_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 | 172.67.74.152:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| US | 8.8.8.8:53 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.74.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | 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 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/1092-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1092-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1092-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1092-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1092-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1092-13-0x0000000140000000-0x000000014013E000-memory.dmp