Analysis Overview
SHA256
72fc447399a062280473baf7d28d8a4ccd1350dbb47be3ce6f177ed002cc6a36
Threat Level: Known bad
The file 2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk was found to be: Known bad.
Malicious Activity Summary
Meduza
Meduza Stealer payload
Meduza family
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
2024-11-06 14:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 14:29
Reported
2024-11-06 14:31
Platform
win7-20240708-en
Max time kernel
122s
Max time network
123s
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 |
Meduza family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2568 set thread context of 2388 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| NL | 89.22.239.174:15666 | tcp |
Files
memory/2388-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-8-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-10-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-7-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp
memory/2388-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2388-12-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 14:29
Reported
2024-11-06 14:31
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3092 set thread context of 1876 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_45237bc557ba8cc2d0da3cf2e7f3ee5e_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| NL | 89.22.239.174:15666 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/1876-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1876-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1876-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1876-1-0x0000000140000000-0x000000014013E000-memory.dmp