Analysis Overview
SHA256
2026745995231a5b4e10b2fbc016f2c52ecab4077fa0ac81e5df194ecca996a1
Threat Level: Known bad
The file 2024-05-22_6e40865be96105ca31a6558596f3f490_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 05:52
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 05:52
Reported
2024-05-22 05:55
Platform
win7-20240215-en
Max time kernel
121s
Max time network
123s
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_6e40865be96105ca31a6558596f3f490_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1952 wrote to memory of 1260 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1952 wrote to memory of 1260 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1952 wrote to memory of 1260 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1952 wrote to memory of 1260 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 05:52
Reported
2024-05-22 05:55
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
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_6e40865be96105ca31a6558596f3f490_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_6e40865be96105ca31a6558596f3f490_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3960 -ip 3960
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.16.208.104.in-addr.arpa | udp |