Analysis Overview
SHA256
bb2c1c7361d1e6d46fe769c7252e069b6757bb2e245164f5ec84a8b58d0b0617
Threat Level: Likely benign
The file 60_free_config_drop_ni9neware.rar was found to be: Likely benign.
Malicious Activity Summary
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-01 10:38
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-01 10:38
Reported
2024-05-01 10:41
Platform
win7-20240221-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\shell | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\shell\edit\command | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\ | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.cfg | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.cfg\ = "cfg_auto_file" | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\shell\edit | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\shell\open | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\shell\open\command | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cfg_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" | C:\Windows\system32\rundll32.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 use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2412 wrote to memory of 2688 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2412 wrote to memory of 2688 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2412 wrote to memory of 2688 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2688 wrote to memory of 2468 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\NOTEPAD.EXE |
| PID 2688 wrote to memory of 2468 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\NOTEPAD.EXE |
| PID 2688 wrote to memory of 2468 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\system32\NOTEPAD.EXE |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Ni9nware_free_65ms.cfg
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Ni9nware_free_65ms.cfg
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Ni9nware_free_65ms.cfg
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-01 10:38
Reported
2024-05-01 10:41
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
149s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_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\Ni9nware_free_65ms.cfg
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 --no-appcompat-clear --mojo-platform-channel-handle=3952 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |