Analysis Overview
SHA256
9b65809ed9067e982c7411a1f0d5e5f53b112d801543d6402bf20d75c3add81d
Threat Level: Known bad
The file 2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_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 09:41
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 09:41
Reported
2024-05-22 09:44
Platform
win7-20240508-en
Max time kernel
121s
Max time network
122s
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_fa489dfa6c6e8fc50397904ee250e37a_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1192 wrote to memory of 1244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1192 wrote to memory of 1244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1192 wrote to memory of 1244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1192 wrote to memory of 1244 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 09:41
Reported
2024-05-22 09:44
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
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_fa489dfa6c6e8fc50397904ee250e37a_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_fa489dfa6c6e8fc50397904ee250e37a_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3540 -ip 3540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |