Analysis Overview
SHA256
3b9fae6a1caacb7977270b87fd48dbc0f5c0034472c8bf7eb749fd9182028648
Threat Level: Known bad
The file fb50b5a527b81faf53eb766fc69645e2.bin 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)
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-19 18:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-19 18:32
Reported
2023-03-19 18:34
Platform
win7-20230220-en
Max time kernel
137s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\NNS4R1BA4A = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.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 1204 wrote to memory of 1364 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1204 wrote to memory of 1364 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1204 wrote to memory of 1364 | 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\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.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\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.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
2023-03-19 18:32
Reported
2023-03-19 18:34
Platform
win10v2004-20230220-en
Max time kernel
146s
Max time network
149s
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\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.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\NNS4R1BA4A = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.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 1148 wrote to memory of 1256 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1148 wrote to memory of 1256 | 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\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.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\786b63ecc1fb8174eb1301a5498ba858ccac1978cb745afde8c8cd22c7c962af.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 |
| US | 8.8.8.8:53 | 80.224.55.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 199.176.139.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 20.42.65.90:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.247.210.254:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.247.210.254:80 | tcp | |
| IE | 52.109.77.0:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.8.8.8:53 | 202.74.101.95.in-addr.arpa | udp |
| US | 52.152.110.14:443 | tcp |