Analysis Overview
SHA256
6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658
Threat Level: Known bad
The file 2024-05-22_94145a163bb7e4c5279549cdf654d440_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 09:01
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 09:01
Reported
2024-05-22 09:03
Platform
win7-20240221-en
Max time kernel
120s
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_94145a163bb7e4c5279549cdf654d440_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2244 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2244 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2244 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2244 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 09:01
Reported
2024-05-22 09:03
Platform
win10v2004-20240508-en
Max time kernel
92s
Max time network
93s
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_94145a163bb7e4c5279549cdf654d440_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_94145a163bb7e4c5279549cdf654d440_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 540 -ip 540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 540 -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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.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 | 19.229.111.52.in-addr.arpa | udp |