Analysis Overview
SHA256
30eb5e2a028d889d23280aa502e9cc1c886e22cb124452ba11eac8d53ba0262b
Threat Level: Likely benign
The file hidden.pub.rar was found to be: Likely benign.
Malicious Activity Summary
Detects Pyinstaller
Unsigned PE
Enumerates physical storage devices
Opens file in notepad (likely ransom note)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 23:41
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
2024-05-08 23:41
Reported
2024-05-08 23:45
Platform
win10v2004-20240508-en
Max time kernel
179s
Max time network
205s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2364 wrote to memory of 4316 | N/A | C:\Windows\system32\OpenWith.exe | C:\Windows\system32\NOTEPAD.EXE |
| PID 2364 wrote to memory of 4316 | N/A | C:\Windows\system32\OpenWith.exe | C:\Windows\system32\NOTEPAD.EXE |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\creal.pyc
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\creal.pyc
C:\Windows\system32\notepad.exe
"C:\Windows\system32\notepad.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |