Analysis Overview
SHA256
c61121cfe5e88ef89a0bc62cb9c0e02157c3d9bfc40826a3372015625a898582
Threat Level: Likely benign
The file 2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk was found to be: Likely benign.
Malicious Activity Summary
Detects Pyinstaller
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-07 06:43
Signatures
Detects Pyinstaller
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-07 06:43
Reported
2024-06-07 06:46
Platform
win7-20240508-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1832 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe | C:\Windows\system32\WerFault.exe |
| PID 1832 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe | C:\Windows\system32\WerFault.exe |
| PID 1832 wrote to memory of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1832 -s 48
Network
Files
memory/1832-0-0x000000013F590000-0x000000013F5E1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-07 06:43
Reported
2024-06-07 06:46
Platform
win10v2004-20240426-en
Max time kernel
91s
Max time network
93s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-07_0f35a42fb19ce520e6490d7e743aef19_ryuk.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
Files
memory/2656-0-0x00007FF68A2A0000-0x00007FF68A2F1000-memory.dmp