Analysis Overview
SHA256
5c6985e002a60d821fd7b029b2c5d04c3ee16bb619999202f6dbdf432d229989
Threat Level: Known bad
The file 2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza family
Meduza
Meduza Stealer payload
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-19 02:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-19 02:33
Reported
2024-11-19 02:36
Platform
win7-20241010-en
Max time kernel
120s
Max time network
125s
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 |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2888 set thread context of 2952 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| RU | 193.3.19.151:15666 | tcp |
Files
memory/2952-11-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-9-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp
memory/2952-13-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-14-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-8-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-7-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-6-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-5-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-4-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-3-0x0000000140000000-0x0000000140141000-memory.dmp
memory/2952-2-0x0000000140000000-0x0000000140141000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-19 02:33
Reported
2024-11-19 02:36
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
137s
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 |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4732 set thread context of 4332 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_c50f8f31c903a9f88b6bdec9b9f8962b_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| RU | 193.3.19.151:15666 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/4732-0-0x00007FF5E3890000-0x00007FF5E3891000-memory.dmp
memory/4332-4-0x0000000140000000-0x0000000140141000-memory.dmp
memory/4332-6-0x0000000140000000-0x0000000140141000-memory.dmp
memory/4332-5-0x0000000140000000-0x0000000140141000-memory.dmp
memory/4332-7-0x0000000140000000-0x0000000140141000-memory.dmp