Analysis Overview
SHA256
6035153b6527d27de94cf7cc79bb7a12179b3cf3ced1493374d699cdad9f7434
Threat Level: Known bad
The file 20240522ff582278a0316b08b4383f4d32159764stop was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
Djvu family
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-22 18:21
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: behavioral2
Detonation Overview
Submitted
2024-05-22 18:21
Reported
2024-05-22 18:24
Platform
win10v2004-20240426-en
Max time kernel
134s
Max time network
103s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe
"C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2616 -ip 2616
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 568
Network
| Country | Destination | Domain | Proto |
| 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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.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 | 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 |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 18:21
Reported
2024-05-22 18:24
Platform
win7-20240508-en
Max time kernel
117s
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\20240522ff582278a0316b08b4383f4d32159764stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1684 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1684 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1684 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1684 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe
"C:\Users\Admin\AppData\Local\Temp\20240522ff582278a0316b08b4383f4d32159764stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 192