Analysis Overview
SHA256
d50b80a0e1296ef71cdec5c310f6312f95a20b4792d3d943c16e70890015dcd2
Threat Level: Known bad
The file 2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza
Meduza Stealer payload
Meduza family
Reads user/profile data of web browsers
Checks computer location settings
Accesses Microsoft Outlook profiles
Checks installed software on the system
Looks up external IP address via web service
Suspicious use of SetThreadContext
Unsigned PE
Browser Information Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious behavior: EnumeratesProcesses
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-16 11:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-16 11:43
Reported
2024-11-16 11:46
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
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-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_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 2848 set thread context of 2212 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_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_8d24a655a027b37ed44dfabc1868cf03_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_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_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 | 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 | crl.microsoft.com | udp |
| GB | 88.221.134.83:80 | crl.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 95.100.245.144:80 | www.microsoft.com | tcp |
Files
memory/2212-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-8-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-10-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-7-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp
memory/2212-27-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2212-28-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-16 11:43
Reported
2024-11-16 11:46
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
141s
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_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 3828 set thread context of 1688 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_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_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_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_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-16_8d24a655a027b37ed44dfabc1868cf03_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| BE | 45.130.145.152:15666 | 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 | 216.58.201.99:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.145.130.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.12.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.201.58.216.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 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.179.89.13.in-addr.arpa | udp |
Files
memory/1688-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1688-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1688-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1688-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1688-10-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1688-11-0x0000000140000000-0x000000014013E000-memory.dmp