Analysis Overview
SHA256
2ba67bf523e36f049ca64aad113a3d8302c3ea5ed9857ed6c7633cd0fc067d42
Threat Level: Known bad
The file 20240522fe889cd2f34fe13148212a22a3fc1883stop was found to be: Known bad.
Malicious Activity Summary
Djvu family
Detected Djvu ransomware
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-22 19:41
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 19:41
Reported
2024-05-22 19:44
Platform
win7-20240508-en
Max time kernel
120s
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\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3000 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3000 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3000 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3000 wrote to memory of 2052 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe
"C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 19:41
Reported
2024-05-22 19:44
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
154s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe
"C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.72:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 129.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.72:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.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 |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.117.168.52.in-addr.arpa | udp |