Analysis Overview
SHA256
383161ff3e03ff39f396725cef6bae622040bcd5aff25df8b147c1fd9639daef
Threat Level: Known bad
The file H656_Payment_receipt_Pdf.js was found to be: Known bad.
Malicious Activity Summary
Vjw0rm
Blocklisted process makes network request
Checks computer location settings
Drops startup file
Adds Run key to start application
Enumerates physical storage devices
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-23 12:29
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-23 12:28
Reported
2023-03-23 13:05
Platform
win7-20230220-en
Max time kernel
129s
Max time network
164s
Command Line
Signatures
Vjw0rm
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\H656_Payment_receipt_Pdf.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\H656_Payment_receipt_Pdf.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\FTQMIP0ARG = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\H656_Payment_receipt_Pdf.js'" | C:\Windows\system32\wscript.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1248 wrote to memory of 740 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1248 wrote to memory of 740 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1248 wrote to memory of 740 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\H656_Payment_receipt_Pdf.js
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr 'C:\Users\Admin\AppData\Local\Temp\H656_Payment_receipt_Pdf.js
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | js9300.duckdns.org | udp |
| NL | 37.0.14.196:9300 | js9300.duckdns.org | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-23 12:28
Reported
2023-03-23 13:05
Platform
win10v2004-20230220-en
Max time kernel
148s
Max time network
154s
Command Line
Signatures
Vjw0rm
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\H656_Payment_receipt_Pdf.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\H656_Payment_receipt_Pdf.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FTQMIP0ARG = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\H656_Payment_receipt_Pdf.js'" | C:\Windows\system32\wscript.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2076 wrote to memory of 4536 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 2076 wrote to memory of 4536 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\H656_Payment_receipt_Pdf.js
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr 'C:\Users\Admin\AppData\Local\Temp\H656_Payment_receipt_Pdf.js
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 135.106.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | js9300.duckdns.org | udp |
| NL | 37.0.14.196:9300 | js9300.duckdns.org | tcp |
| US | 8.8.8.8:53 | 196.14.0.37.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.108.74.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.17.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
| US | 20.189.173.6:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 76.188.69.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 185.130.69.20.in-addr.arpa | udp |