Analysis Overview
SHA256
c4139579bd2c09fa3f876c15b04be33bd25e5c524fb687557771a07e99e22b9c
Threat Level: Known bad
The file 66c625cef9aa371ac55a64c94691891c.exe was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 00:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-16 00:46
Reported
2024-10-16 00:48
Platform
win7-20241010-en
Max time kernel
14s
Max time network
19s
Command Line
Signatures
SmokeLoader
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2244 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2244 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2244 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2244 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe
"C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 136
Network
Files
memory/2244-2-0x00000000001B0000-0x00000000001BB000-memory.dmp
memory/2244-1-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2244-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2244-4-0x0000000000400000-0x000000000047C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 00:46
Reported
2024-10-16 00:48
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
SmokeLoader
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe
"C:\Users\Admin\AppData\Local\Temp\66c625cef9aa371ac55a64c94691891c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4760 -ip 4760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4760-1-0x00000000007D0000-0x00000000008D0000-memory.dmp
memory/4760-2-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4760-3-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4760-5-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4760-6-0x0000000000400000-0x000000000040B000-memory.dmp