Analysis Overview
SHA256
50e508ddd2290faa219656f9b9cc733ff5dcc1c5ec0c76000035eae20bf85310
Threat Level: Known bad
The file 2024-05-22_9179e572cfe0a9d2904b896606695caf_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 12:39
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: behavioral1
Detonation Overview
Submitted
2024-05-22 12:39
Reported
2024-05-22 12:44
Platform
win7-20231129-en
Max time kernel
118s
Max time network
119s
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_9179e572cfe0a9d2904b896606695caf_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2060 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2060 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2060 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2060 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 196
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 12:39
Reported
2024-05-22 12:45
Platform
win10v2004-20240508-en
Max time kernel
140s
Max time network
153s
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_9179e572cfe0a9d2904b896606695caf_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_9179e572cfe0a9d2904b896606695caf_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4808 -ip 4808
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| NL | 23.62.61.160:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 160.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |