Analysis Overview
SHA256
1d1a3c9b4ace7d03691a6b3adfd376de6a28b3df1ae1b0e29c108df4e02dcc87
Threat Level: No (potentially) malicious behavior was detected
The file Feather Calculator.application was found to be: No (potentially) malicious behavior was detected.
Malicious Activity Summary
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-12 15:11
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 15:11
Reported
2024-06-12 15:14
Platform
win7-20231129-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2024 wrote to memory of 2428 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe |
| PID 2024 wrote to memory of 2428 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe |
| PID 2024 wrote to memory of 2428 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe dfshim.dll,ShOpenVerbApplication "C:\Users\Admin\AppData\Local\Temp\Feather Calculator.application"
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
Network
Files
memory/2428-0-0x000007FEF5783000-0x000007FEF5784000-memory.dmp
memory/2428-1-0x0000000001040000-0x0000000001048000-memory.dmp
memory/2428-3-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
memory/2428-5-0x000007FEF5783000-0x000007FEF5784000-memory.dmp
memory/2428-6-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 15:11
Reported
2024-06-12 15:14
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1924 wrote to memory of 4772 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe |
| PID 1924 wrote to memory of 4772 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe |
Processes
C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\dfshim.dll",ShOpenVerbApplication "C:\Users\Admin\AppData\Local\Temp\Feather Calculator.application"
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/4772-0-0x000001EF65930000-0x000001EF65938000-memory.dmp
memory/4772-1-0x00007FFEF8BF3000-0x00007FFEF8BF5000-memory.dmp
memory/4772-2-0x000001EF7FFA0000-0x000001EF80126000-memory.dmp
memory/4772-4-0x00007FFEF8BF0000-0x00007FFEF96B1000-memory.dmp
memory/4772-5-0x00007FFEF8BF0000-0x00007FFEF96B1000-memory.dmp
memory/4772-7-0x00007FFEF8BF0000-0x00007FFEF96B1000-memory.dmp