Analysis Overview
SHA256
79ff771e28d6674342f024783884618694ceecbabc22c2740470e86ac66654b1
Threat Level: Known bad
The file 6133488aa55c35b2b8f8f5e987f2ce27.bin was found to be: Known bad.
Malicious Activity Summary
Vjw0rm
Blocklisted process makes network request
Drops startup file
Checks computer location settings
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
2023-02-23 01:24
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-23 01:24
Reported
2023-02-23 01:27
Platform
win7-20230220-en
Max time kernel
142s
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\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.js | C:\Windows\system32\wscript.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\W56OZZRQKW = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.js\"" | C:\Windows\system32\wscript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\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 1888 wrote to memory of 568 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1888 wrote to memory of 568 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 1888 wrote to memory of 568 | 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\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.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\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.js
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jamnnd.duckdns.org | udp |
| VN | 103.156.90.165:8024 | jamnnd.duckdns.org | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-23 01:24
Reported
2023-02-23 01:27
Platform
win10v2004-20230220-en
Max time kernel
145s
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\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.js | C:\Windows\system32\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.js | C:\Windows\system32\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\W56OZZRQKW = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.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 2116 wrote to memory of 2500 | N/A | C:\Windows\system32\wscript.exe | C:\Windows\System32\schtasks.exe |
| PID 2116 wrote to memory of 2500 | 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\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.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\b3c5a0a3ac206fafac0c872021eb6b540942f301c72b2e09ad48d2e1c6ee679e.js
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jamnnd.duckdns.org | udp |
| VN | 103.156.90.165:8024 | jamnnd.duckdns.org | tcp |
| US | 8.8.8.8:53 | 165.90.156.103.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 67.24.33.254:80 | tcp | |
| US | 67.24.33.254:80 | tcp | |
| US | 8.8.8.8:53 | 2.77.109.52.in-addr.arpa | udp |