Analysis Overview
SHA256
bc7d80ea2c1da3875c0416bf31fd61d85fce91de42a13fd8ad212aa05b75b28c
Threat Level: Known bad
The file 2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop 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 12:33
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 12:33
Reported
2024-05-22 12:44
Platform
win7-20240221-en
Max time kernel
119s
Max time network
125s
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_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2888 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2888 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2888 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2888 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 12:33
Reported
2024-05-22 12:45
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
157s
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_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_4ca9f8f70849c8902ef42964b1ada4b6_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4300 -ip 4300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.56.20.217.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 | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 0.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| NL | 23.62.61.160:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.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 | 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 | 4.173.189.20.in-addr.arpa | udp |