Analysis Overview
SHA256
a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50
Threat Level: Known bad
The file a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-16 00:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-16 00:13
Reported
2023-09-16 00:15
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 764 set thread context of 3372 | N/A | C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe | C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe | N/A |
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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\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe
"C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe"
C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe
"C:\Users\Admin\AppData\Local\Temp\a3f12a86956b46caf03b7ab7a7802dc4e6f63d62f2983c9e5fa4b12983525b50.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 25.63.96.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.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 | 14.173.189.20.in-addr.arpa | udp |
Files
memory/764-1-0x0000000000860000-0x0000000000960000-memory.dmp
memory/764-2-0x0000000000800000-0x0000000000809000-memory.dmp
memory/3372-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3372-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3372-6-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3168-5-0x0000000001490000-0x00000000014A6000-memory.dmp