Analysis Overview
SHA256
bbf99d5564bc971b089e05114d1349b122e2a2fa52ed32d1ebafec8bf04c1047
Threat Level: Known bad
The file 2024-05-22_10bebe9ccf4479e8d9362812544cc979_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 09:25
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 09:25
Reported
2024-05-22 09:27
Platform
win7-20240221-en
Max time kernel
118s
Max time network
118s
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_10bebe9ccf4479e8d9362812544cc979_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2860 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2860 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2860 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2860 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 09:25
Reported
2024-05-22 09:27
Platform
win10v2004-20240426-en
Max time kernel
150s
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_10bebe9ccf4479e8d9362812544cc979_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 220 -ip 220
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 155.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 52.111.227.11:443 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | 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 | udp |