Analysis Overview
SHA256
ad734502ed4e9c4040bc71f99d4d204ffc6620dd2574f4d4895c0f6ca2a59bad
Threat Level: Known bad
The file 2024-05-22_73c547151ae35d7272776e2a54d1e6a7_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 13:03
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 13:03
Reported
2024-05-22 13:07
Platform
win7-20240221-en
Max time kernel
118s
Max time network
119s
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_73c547151ae35d7272776e2a54d1e6a7_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2164 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2184 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 13:03
Reported
2024-05-22 13:06
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
151s
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_73c547151ae35d7272776e2a54d1e6a7_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_73c547151ae35d7272776e2a54d1e6a7_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2904 -ip 2904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -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 | 25.24.18.2.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 | 75.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| 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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 10.173.189.20.in-addr.arpa | udp |