Analysis Overview
SHA256
d204bc307ac8ba0ae9bfc38310ed5ff97c371610b034ba53bd48a0bc2f3f86cb
Threat Level: Known bad
The file 2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_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 07:22
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 07:22
Reported
2024-05-22 07:24
Platform
win10v2004-20240426-en
Max time kernel
130s
Max time network
138s
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_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -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 |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.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 |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 07:22
Reported
2024-05-22 07:24
Platform
win7-20231129-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\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2884 wrote to memory of 2956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2884 wrote to memory of 2956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2884 wrote to memory of 2956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2884 wrote to memory of 2956 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_3cd70495c0d3ceeb8139d40387c62cb6_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 192