Analysis Overview
SHA256
4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f
Threat Level: Known bad
The file 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Suspicious use of SetThreadContext
Unsigned PE
Checks SCSI registry key(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-21 20:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-21 20:50
Reported
2023-09-21 20:53
Platform
win10v2004-20230915-en
Max time kernel
150s
Max time network
147s
Command Line
Signatures
SmokeLoader
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1484 set thread context of 4356 | N/A | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe
"C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe"
C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe
"C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.209.247.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | host-file-host6.com | udp |
| US | 8.8.8.8:53 | host-host-file8.com | udp |
| NL | 194.169.175.127:80 | host-host-file8.com | tcp |
| US | 8.8.8.8:53 | 127.175.169.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.177.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
Files
memory/1484-1-0x00000000008E0000-0x00000000009E0000-memory.dmp
memory/1484-2-0x00000000008C0000-0x00000000008C9000-memory.dmp
memory/4356-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4356-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3188-5-0x0000000002AF0000-0x0000000002B06000-memory.dmp
memory/4356-6-0x0000000000400000-0x0000000000409000-memory.dmp