Analysis Overview
SHA256
30c1ded424199ec3908880da68a79cd105e18ab9b928ebbfe7155b1b6ca2f9e8
Threat Level: Known bad
The file 2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
Djvu family
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-22 14:48
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Djvu family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 14:48
Reported
2024-05-22 14:50
Platform
win10v2004-20240426-en
Max time kernel
132s
Max time network
135s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5000 -ip 5000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 14:48
Reported
2024-05-22 14:50
Platform
win7-20240221-en
Max time kernel
121s
Max time network
126s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1720 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1720 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1720 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1720 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_6c4a3a21c5e18ebbd65f3922ad9fd403_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 196