Analysis Overview
SHA256
3c2072fbeefc8a27e863c1c8db50562535f7078ce40192a5e2188dacd89fe1e0
Threat Level: Known bad
The file 2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_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 12:49
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 12:49
Reported
2024-05-22 12:52
Platform
win7-20240221-en
Max time kernel
119s
Max time network
120s
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_de5a0fe7e61c32a314db9f0486d93abb_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2248 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2248 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2248 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2248 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 12:49
Reported
2024-05-22 12:52
Platform
win10v2004-20240508-en
Max time kernel
139s
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\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_de5a0fe7e61c32a314db9f0486d93abb_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4796 -ip 4796
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| NL | 23.62.61.171:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.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 |