Analysis Overview
SHA256
770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a
Threat Level: Known bad
The file 770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a was found to be: Known bad.
Malicious Activity Summary
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit family
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-14 04:14
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: behavioral2
Detonation Overview
Submitted
2024-03-14 04:14
Reported
2024-03-14 04:17
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
156s
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\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe
"C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2916 -ip 2916
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 268
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
memory/2916-0-0x0000000000400000-0x000000000042A000-memory.dmp
memory/2916-1-0x0000000000400000-0x000000000042A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-14 04:14
Reported
2024-03-14 04:17
Platform
win7-20240221-en
Max time kernel
117s
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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1780 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1780 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1780 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1780 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe
"C:\Users\Admin\AppData\Local\Temp\770919c4b0015956098a1a8002fa00dfa44eadfdef699320d3f577aa89b56b0a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 88
Network
Files
memory/1780-0-0x0000000000400000-0x000000000042A000-memory.dmp