Analysis Overview
SHA256
66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02
Threat Level: Known bad
The file LB3_pass_71F85B50D4CE6F88.exe was found to be: Known bad.
Malicious Activity Summary
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit
Lockbit family
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-03-10 10:18
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
2023-03-10 10:18
Reported
2023-03-10 10:20
Platform
win7-20230220-en
Max time kernel
30s
Max time network
33s
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\LB3_pass_71F85B50D4CE6F88.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2000 wrote to memory of 2012 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2000 wrote to memory of 2012 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2000 wrote to memory of 2012 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2000 wrote to memory of 2012 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe
"C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 88
Network
Files
memory/2000-54-0x0000000000400000-0x0000000000427000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-10 10:18
Reported
2023-03-10 10:20
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 |
| 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\LB3_pass_71F85B50D4CE6F88.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe
"C:\Users\Admin\AppData\Local\Temp\LB3_pass_71F85B50D4CE6F88.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4088 -ip 4088
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 264
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 199.176.139.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 52.152.108.96:443 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.81.184.52.in-addr.arpa | udp |
| NL | 52.178.17.3:443 | tcp | |
| US | 8.8.8.8:53 | 177.238.32.23.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.77.109.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| NL | 173.223.113.164:443 | tcp |
Files
memory/4088-133-0x0000000000400000-0x0000000000427000-memory.dmp
memory/4088-134-0x0000000000400000-0x0000000000427000-memory.dmp