Analysis Overview
SHA256
66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02
Threat Level: Known bad
The file 66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02 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 04:13
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 04:13
Reported
2024-03-14 04:16
Platform
win7-20240221-en
Max time kernel
119s
Max time network
123s
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\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1680 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1680 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1680 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1680 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe
"C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 88
Network
Files
memory/1680-0-0x0000000000400000-0x0000000000427000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 04:13
Reported
2024-03-14 04:16
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
163s
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\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe
"C:\Users\Admin\AppData\Local\Temp\66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3136 -ip 3136
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 272
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.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 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 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 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
Files
memory/3136-0-0x0000000000400000-0x0000000000427000-memory.dmp
memory/3136-1-0x0000000000400000-0x0000000000427000-memory.dmp