Analysis Overview
SHA256
3fecc281d98ffa88f68e46ce3ce01ef2d7d2f4aab37ed705657c4f96a32faf3f
Threat Level: Known bad
The file 2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop 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 14:38
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 14:38
Reported
2024-05-22 14:40
Platform
win7-20240221-en
Max time kernel
122s
Max time network
123s
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_3ac0232a36c9b3145ff800343d8c8955_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 14:38
Reported
2024-05-22 14:40
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
152s
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_3ac0232a36c9b3145ff800343d8c8955_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_3ac0232a36c9b3145ff800343d8c8955_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4364 -ip 4364
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.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 | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.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 | 28.173.189.20.in-addr.arpa | udp |