Analysis Overview
SHA256
bc10587e0caad4210cd216a36fa6441debebe0d0357ea4707e29bdc3c80a3023
Threat Level: Known bad
The file 2024-05-22_c98f43e47230a42303aa4723b99f1c04_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 15:03
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 15:03
Reported
2024-05-22 15:05
Platform
win7-20240508-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_c98f43e47230a42303aa4723b99f1c04_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1724 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1724 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1724 wrote to memory of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 196
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 15:03
Reported
2024-05-22 15:05
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
152s
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_c98f43e47230a42303aa4723b99f1c04_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_c98f43e47230a42303aa4723b99f1c04_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4136 -ip 4136
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 568
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3700 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.187.202:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 8.8.8.8:53 | 202.187.250.142.in-addr.arpa | udp |
| US | 216.239.32.29:80 | pki.goog | tcp |
| US | 8.8.8.8:53 | 29.32.239.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.173.79.40.in-addr.arpa | udp |