Analysis Overview
SHA256
e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154
Threat Level: Known bad
The file toolspub1.exe was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Deletes itself
Suspicious use of SetThreadContext
Unsigned PE
Checks SCSI registry key(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-22 04:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-22 04:42
Reported
2023-09-22 04:48
Platform
win7-20230831-en
Max time kernel
300s
Max time network
126s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2076 set thread context of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.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\toolspub1.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2076 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 2076 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 2076 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 2076 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 2076 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 2076 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 2076 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\toolspub1.exe
"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"
C:\Users\Admin\AppData\Local\Temp\toolspub1.exe
"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"
Network
| Country | Destination | Domain | Proto |
| 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 |
Files
memory/2076-1-0x0000000000850000-0x0000000000950000-memory.dmp
memory/1732-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1732-5-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2076-4-0x0000000000220000-0x0000000000229000-memory.dmp
memory/1732-6-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1732-7-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1248-8-0x0000000002A50000-0x0000000002A66000-memory.dmp
memory/1732-9-0x0000000000400000-0x0000000000409000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-22 04:42
Reported
2023-09-22 04:48
Platform
win10v2004-20230915-en
Max time kernel
300s
Max time network
272s
Command Line
Signatures
SmokeLoader
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1216 set thread context of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.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\toolspub1.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1216 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 1216 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 1216 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 1216 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 1216 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
| PID 1216 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe | C:\Users\Admin\AppData\Local\Temp\toolspub1.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\toolspub1.exe
"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"
C:\Users\Admin\AppData\Local\Temp\toolspub1.exe
"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.179.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.22.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
memory/1216-1-0x0000000000AA0000-0x0000000000BA0000-memory.dmp
memory/1216-2-0x00000000008B0000-0x00000000008B9000-memory.dmp
memory/2784-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2784-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2784-6-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3228-5-0x0000000000950000-0x0000000000966000-memory.dmp