Analysis Overview
SHA256
7ab7c3855092fd3a05a2130e76f84961cb10fd885aac6d6e555aa02d2967004b
Threat Level: Known bad
The file source_prepared.py was found to be: Known bad.
Malicious Activity Summary
Detect Pysilon
Pysilon family
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-25 20:54
Signatures
Detect Pysilon
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Pysilon family
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-25 20:54
Reported
2024-10-25 20:54
Platform
win7-20241023-en
Max time kernel
14s
Max time network
0s
Command Line
Signatures
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_Classes\Local Settings | C:\Windows\system32\rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2672 wrote to memory of 2372 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2672 wrote to memory of 2372 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2672 wrote to memory of 2372 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2372 wrote to memory of 2836 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2372 wrote to memory of 2836 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2372 wrote to memory of 2836 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2372 wrote to memory of 2836 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.py
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.py
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\source_prepared.py"
Network
Files
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
| MD5 | a20ae8f46f72bf24e9f3d73a42b3741c |
| SHA1 | b48635225fa76d031a0ac713af12d68f5ca449d9 |
| SHA256 | 430b7ab600286ad0589acac399bf713d2ff6d8e7a464079a4ca9a1b1b7a19480 |
| SHA512 | 6f4463208facfb23c9b6a8595ddebc41880df08ec82b6baf72c631ddf2fa4ed4bb63cf14633dc6f23e15fd9c228b9a19139289c7c04b464d5b761777842097bf |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-25 20:54
Reported
2024-10-25 20:54
Platform
win10v2004-20241007-en
Max time kernel
12s
Max time network
14s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings | 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 |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.py
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.108.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |