Analysis Overview
SHA256
391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5
Threat Level: Known bad
The file 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5 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
2024-03-14 04:10
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
2024-03-14 04:10
Reported
2024-03-14 04:12
Platform
win7-20240221-en
Max time kernel
118s
Max time network
122s
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\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 640 wrote to memory of 2016 | N/A | C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 640 wrote to memory of 2016 | N/A | C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 640 wrote to memory of 2016 | N/A | C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 640 wrote to memory of 2016 | N/A | C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe
"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 88
Network
Files
memory/640-0-0x0000000000400000-0x000000000042C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 04:10
Reported
2024-03-14 04:12
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
155s
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\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe
"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3864 -ip 3864
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 264
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
Files
memory/3864-0-0x0000000000400000-0x000000000042C000-memory.dmp
memory/3864-1-0x0000000000400000-0x000000000042C000-memory.dmp