Analysis Overview
SHA256
d61985407f31d1fbba3aaf4e6d1e79c5fc79fa333879fd478a0ffb4d9476a04f
Threat Level: Known bad
The file 2024-11-19_5221d2214beb75529df68ac5f0106f4f_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 02:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-19 02:02
Reported
2024-11-19 02:05
Platform
win7-20240708-en
Max time kernel
122s
Max time network
125s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1700 wrote to memory of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe |
| PID 1700 wrote to memory of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe |
| PID 1700 wrote to memory of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-19 02:02
Reported
2024-11-19 02:05
Platform
win10v2004-20241007-en
Max time kernel
96s
Max time network
140s
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4780 set thread context of 3712 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_5221d2214beb75529df68ac5f0106f4f_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| RU | 193.3.19.151:15666 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/4780-0-0x00007FF749B90000-0x00007FF749B91000-memory.dmp
memory/3712-4-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3712-5-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3712-7-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3712-6-0x0000000140000000-0x0000000140141000-memory.dmp