Analysis Overview
SHA256
b9aa1120b6f372a351832fcdb9b6576f3c22e00412128c4ce1717a9e50e1686c
Threat Level: Known bad
The file 2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit was found to be: Known bad.
Malicious Activity Summary
Lockbit family
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-01 02:49
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
2024-03-01 02:49
Reported
2024-03-01 02:52
Platform
win10v2004-20240226-en
Max time kernel
115s
Max time network
144s
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\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2560 -ip 2560
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2560 -s 264
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3816 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| GB | 142.250.187.234:443 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp |
Files
memory/2560-0-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2560-1-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-01 02:49
Reported
2024-03-01 02:52
Platform
win7-20240221-en
Max time kernel
120s
Max time network
120s
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\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2880 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2880 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2880 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2880 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 88
Network
Files
memory/2880-0-0x0000000000400000-0x0000000000429000-memory.dmp