Analysis Overview
SHA256
b86dfa689d1acc6652361e3b3f86d61839f859201d625f5c8d6ccbe21538ddd8
Threat Level: Known bad
The file noifyy.exe was found to be: Known bad.
Malicious Activity Summary
Pysilon family
Detect Pysilon
Detects Pyinstaller
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-17 03:24
Signatures
Detect Pysilon
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Pysilon family
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
2024-12-17 03:24
Reported
2024-12-17 03:26
Platform
win10ltsc2021-20241211-en
Max time kernel
74s
Max time network
69s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1411052346-3904498293-150013998-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1411052346-3904498293-150013998-1000_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 4724 wrote to memory of 2380 | N/A | C:\Windows\system32\OpenWith.exe | C:\Windows\system32\NOTEPAD.EXE |
| PID 4724 wrote to memory of 2380 | 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\discord_token_grabber.pyc
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=5056,i,13034162257960464555,14563862583435181672,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:8
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\discord_token_grabber.pyc
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations=is-enterprise-managed=no --field-trial-handle=3224,i,13034162257960464555,14563862583435181672,262144 --variations-seed-version --mojo-platform-channel-handle=5068 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| GB | 2.20.12.74:80 | msedge.b.tlu.dl.delivery.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 204.79.197.239:443 | edge.microsoft.com | tcp |
| US | 8.8.8.8:53 | edgeassetservice.azureedge.net | udp |
| US | 8.8.8.8:53 | edgeassetservice.azureedge.net | udp |
| US | 13.107.246.64:443 | edgeassetservice.azureedge.net | tcp |
| US | 13.107.21.239:443 | edge.microsoft.com | tcp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 8.8.8.8:53 | edge.microsoft.com | udp |
| US | 13.107.21.239:443 | edge.microsoft.com | tcp |
| US | 8.8.8.8:53 | msedge.b.tlu.dl.delivery.mp.microsoft.com | udp |
| US | 199.232.214.172:80 | msedge.b.tlu.dl.delivery.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |