Analysis Overview
SHA256
ad734502ed4e9c4040bc71f99d4d204ffc6620dd2574f4d4895c0f6ca2a59bad
Threat Level: Known bad
The file 2024052273c547151ae35d7272776e2a54d1e6a7stop 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 18:50
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 18:50
Reported
2024-05-22 18:52
Platform
win10v2004-20240426-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\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1472 -ip 1472
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 18:50
Reported
2024-05-22 18:52
Platform
win7-20240221-en
Max time kernel
118s
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\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2164 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2164 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024052273c547151ae35d7272776e2a54d1e6a7stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 192