Analysis Overview
SHA256
079ee70660167b7561018410c7b27d8b51453549c5a953a5e66598700240c1e2
Threat Level: Known bad
The file 8997086982.zip was found to be: Known bad.
Malicious Activity Summary
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-02-07 14:41
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
2023-02-07 14:41
Reported
2023-02-07 14:44
Platform
win7-20221111-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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 944 wrote to memory of 864 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 944 wrote to memory of 864 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 944 wrote to memory of 864 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 944 wrote to memory of 864 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 944 wrote to memory of 864 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 944 wrote to memory of 864 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 944 wrote to memory of 864 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1
Network
Files
memory/864-54-0x0000000000000000-mapping.dmp
memory/864-55-0x0000000075B61000-0x0000000075B63000-memory.dmp
memory/864-56-0x0000000010000000-0x0000000010029000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-07 14:41
Reported
2023-02-07 14:43
Platform
win10v2004-20221111-en
Max time kernel
91s
Max time network
93s
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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5112 wrote to memory of 4840 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5112 wrote to memory of 4840 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5112 wrote to memory of 4840 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 93.184.221.240:80 | tcp | |
| JP | 40.74.98.195:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
memory/4840-132-0x0000000000000000-mapping.dmp
memory/4840-133-0x0000000010000000-0x0000000010029000-memory.dmp