Analysis Overview
SHA256
6fbf227c5d4c713d0621a8045ee4e232094e84354b0824ae2ef0e9694e09b3f1
Threat Level: Known bad
The file 2024-11-06_97157c0cbe3762ec9b2515571f8c2265_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
2024-11-06 14:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 14:38
Reported
2024-11-06 14:40
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
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-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2068 set thread context of 1112 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| NL | 89.22.239.174:15666 | tcp |
Files
memory/1112-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-9-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-11-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-12-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-7-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp
memory/1112-6-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-5-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-4-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-3-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/1112-0-0x0000000140000000-0x000000014013E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 14:38
Reported
2024-11-06 14:40
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
139s
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 372 set thread context of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-06_97157c0cbe3762ec9b2515571f8c2265_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| NL | 89.22.239.174:15666 | tcp | |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
memory/2148-0-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2148-1-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2148-2-0x0000000140000000-0x000000014013E000-memory.dmp
memory/2148-3-0x0000000140000000-0x000000014013E000-memory.dmp