Analysis Overview
SHA256
87184bbef239d3062c4af872fc5b43fb79622ce2e0c6072e40e3c3622b0e52d9
Threat Level: Known bad
The file LB3_pass.bin 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
2023-02-08 18:48
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
2023-02-08 18:48
Reported
2023-02-08 18:50
Platform
win7-20220812-en
Max time kernel
42s
Max time network
45s
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.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1684 wrote to memory of 836 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1684 wrote to memory of 836 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1684 wrote to memory of 836 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1684 wrote to memory of 836 | N/A | C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 88
Network
Files
memory/836-54-0x0000000000000000-mapping.dmp
memory/1684-55-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-08 18:48
Reported
2023-02-08 18:50
Platform
win10v2004-20221111-en
Max time kernel
137s
Max time network
145s
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.exe |
| N/A | N/A | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4920 -ip 4920
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 276
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 512 -p 548 -ip 548
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 548 -s 1756
Network
| Country | Destination | Domain | Proto |
| US | 93.184.221.240:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| FR | 51.11.192.48:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 52.152.110.14:443 | tcp |
Files
memory/4920-132-0x0000000000400000-0x0000000000429000-memory.dmp