Analysis Overview
SHA256
f7fc1ac5beb092533390584d6994c76978481af1f24b6f74016a6e7719500f7c
Threat Level: Known bad
The file 2024-05-22_927a387befe5763dfcd641b3bb01e1fa_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 14:54
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 14:54
Reported
2024-05-22 14:56
Platform
win7-20240419-en
Max time kernel
118s
Max time network
119s
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_927a387befe5763dfcd641b3bb01e1fa_stop.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3000 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3000 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3000 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3000 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 192
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 14:54
Reported
2024-05-22 14:56
Platform
win10v2004-20240226-en
Max time kernel
142s
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\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 648 -ip 648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 648 -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=4076 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.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 | 172.217.16.234:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 234.16.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.117.168.52.in-addr.arpa | udp |