Analysis Overview
SHA256
e6aae65a7234ce0aca5b9db5513dda64b8496ea53f82dbe3e16e4e7d4adceba7
Threat Level: Known bad
The file 2024-11-19_b30ffdedd61002e0aaf294ab8664299b_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
Looks up external IP address via web service
Checks installed software on the system
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Unsigned PE
Browser Information Discovery
outlook_office_path
outlook_win_path
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-19 01:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-11-19 01:54
Reported
2024-11-19 01:57
Platform
win7-20241023-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2156 wrote to memory of 620 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe |
| PID 2156 wrote to memory of 620 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe |
| PID 2156 wrote to memory of 620 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-19 01:54
Reported
2024-11-19 01:57
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
151s
Command Line
Signatures
Meduza
Meduza Stealer payload
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Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_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 4972 set thread context of 1164 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe |
Browser Information Discovery
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b30ffdedd61002e0aaf294ab8664299b_ryuk.exe
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 | 142.250.200.3:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 162.181.107.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.12.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/4972-0-0x00007FF73C0B0000-0x00007FF73C0B1000-memory.dmp
memory/1164-4-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-6-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-15-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-24-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-22-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-23-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-19-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-18-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-17-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-16-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-12-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-11-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-10-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-9-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-5-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-34-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-33-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-45-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-44-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-41-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-46-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-39-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-40-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-38-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-37-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-51-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-52-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-77-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-83-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-98-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-91-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-84-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-89-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-79-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-76-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-71-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-70-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-63-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-60-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-58-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-57-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-54-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-65-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-47-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1164-48-0x0000000140000000-0x00000001401FA000-memory.dmp