Analysis Overview
SHA256
498e3b7a867d41b5a3af3910d2aa6231612c787ce8a4bc14ab03f800caab130f
Threat Level: Known bad
The file d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.zip was found to be: Known bad.
Malicious Activity Summary
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-06-07 03:52
Signatures
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-06-07 03:52
Reported
2023-06-07 03:54
Platform
win7-20230220-en
Max time kernel
28s
Max time network
30s
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\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 920 wrote to memory of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 920 wrote to memory of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 920 wrote to memory of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 920 wrote to memory of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe
"C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 88
Network
Files
memory/920-54-0x0000000000400000-0x000000000042C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-07 03:52
Reported
2023-06-07 03:54
Platform
win10v2004-20230220-en
Max time kernel
105s
Max time network
126s
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\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe
"C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1860 -ip 1860
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 212
Network
| Country | Destination | Domain | Proto |
| US | 52.152.110.14:443 | tcp | |
| US | 8.8.8.8:53 | 123.108.74.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 52.152.110.14:443 | tcp | |
| US | 52.168.112.67:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.8.8.8:53 | 0.77.109.52.in-addr.arpa | udp |
| US | 52.152.110.14:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp |
Files
memory/1860-133-0x0000000000400000-0x000000000042C000-memory.dmp