Analysis Overview
SHA256
d844fae5cdc61338bf5ec8f08804c844b50446dbaebf996643227e2c2967283f
Threat Level: Known bad
The file insurance.es.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
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-28 23:56
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-28 23:56
Reported
2023-02-28 23:58
Platform
win7-20230220-en
Max time kernel
141s
Max time network
148s
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\insurance.es.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\insurance.es.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\XGV00ZIC2Q = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\insurance.es.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 1040 wrote to memory of 320 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1040 wrote to memory of 320 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1040 wrote to memory of 320 | 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\insurance.es.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\insurance.es.js
Network
| Country | Destination | Domain | Proto |
| US | 198.12.123.17:6040 | 198.12.123.17 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-28 23:56
Reported
2023-02-28 23:58
Platform
win10v2004-20230220-en
Max time kernel
146s
Max time network
148s
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-1-5-21-1529757233-3489015626-3409890339-1000\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\insurance.es.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\insurance.es.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XGV00ZIC2Q = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\insurance.es.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 972 wrote to memory of 2636 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 972 wrote to memory of 2636 | 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\insurance.es.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\insurance.es.js
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 198.12.123.17:6040 | 198.12.123.17 | tcp |
| US | 8.8.8.8:53 | 17.123.12.198.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| FR | 40.79.141.152:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 0.77.109.52.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 199.176.139.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.74.101.95.in-addr.arpa | udp |