Analysis Overview
SHA256
786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af
Threat Level: Known bad
The file 1133543545.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
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-17 18:55
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-17 18:55
Reported
2023-03-17 18:57
Platform
win7-20230220-en
Max time kernel
141s
Max time network
150s
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 opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1133543545.js | C:\Windows\system32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1133543545.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\NNS4R1BA4A = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1133543545.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 2004 wrote to memory of 520 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 2004 wrote to memory of 520 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 2004 wrote to memory of 520 | 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\1133543545.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\1133543545.js
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ourvjworm.duckdns.org | udp |
| TR | 194.55.224.80:7974 | ourvjworm.duckdns.org | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-17 18:55
Reported
2023-03-17 18:57
Platform
win10v2004-20230220-en
Max time kernel
148s
Max time network
151s
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-1-5-21-1013461898-3711306144-4198452673-1000\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\1133543545.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1133543545.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NNS4R1BA4A = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1133543545.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows\CurrentVersion\Run | 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 2168 wrote to memory of 3996 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 2168 wrote to memory of 3996 | 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\1133543545.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\1133543545.js
Network
| Country | Destination | Domain | Proto |
| US | 13.107.4.50:80 | tcp | |
| US | 8.8.8.8:53 | ourvjworm.duckdns.org | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| TR | 194.55.224.80:7974 | ourvjworm.duckdns.org | tcp |
| US | 8.8.8.8:53 | 80.224.55.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.154.139.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 52.152.108.96:443 | tcp | |
| FR | 40.79.141.154:443 | tcp | |
| US | 8.8.8.8:53 | 113.238.32.23.in-addr.arpa | udp |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 8.8.8.8:53 | 97.97.242.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.97.242.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 126.129.241.8.in-addr.arpa | udp |