Analysis Overview
SHA256
48a5eb3b0d4d5b8c3b8ae32b638ee0b0b5fb1ce45bb4c30463d697720a136974
Threat Level: Known bad
The file 2024-11-19_b7810d0c1c94831ffef11223725bc9d1_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
win7-20240903-en
Max time kernel
121s
Max time network
122s
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-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2528 set thread context of 1184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| RU | 193.3.19.151:15666 | tcp |
Files
memory/1184-2-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-3-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-10-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-12-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-13-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-9-0x000007FFFFFDA000-0x000007FFFFFDB000-memory.dmp
memory/1184-7-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-5-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-4-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-8-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1184-6-0x0000000140000000-0x0000000140141000-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
149s
Max time network
152s
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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2528 set thread context of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | N/A |
| Token: SeImpersonatePrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
Network
| Country | Destination | Domain | Proto |
| 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 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2528-0-0x00007FF7284D0000-0x00007FF7284D1000-memory.dmp
memory/1180-4-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1180-6-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1180-7-0x0000000140000000-0x0000000140141000-memory.dmp
memory/1180-5-0x0000000140000000-0x0000000140141000-memory.dmp