Analysis Overview
SHA256
66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02
Threat Level: Known bad
The file 4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0 was found to be: Known bad.
Malicious Activity Summary
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-03-06 11:49
Signatures
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-06 11:49
Reported
2023-03-06 11:52
Platform
win7-20230220-en
Max time kernel
31s
Max time network
34s
Command Line
Signatures
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1304 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1304 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1304 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1304 wrote to memory of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe
"C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 88
Network
Files
memory/1304-54-0x0000000000400000-0x0000000000427000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-06 11:49
Reported
2023-03-06 11:52
Platform
win10v2004-20230220-en
Max time kernel
79s
Max time network
128s
Command Line
Signatures
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe
"C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2052 -ip 2052
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 272
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.81.184.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.252.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 20.189.173.2:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 0.77.109.52.in-addr.arpa | udp |
| US | 13.107.4.50:80 | tcp |
Files
memory/2052-136-0x0000000000400000-0x0000000000427000-memory.dmp