Analysis Overview
SHA256
c34e084c40055a1d2dae3db279fc74b363d4d3d812d62f58aa40f932f5e3aea5
Threat Level: Known bad
The file 43ec40ed624835a097a3fa056d290e6f58d32399 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Smokeloader family
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
2024-11-10 10:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 10:18
Reported
2024-11-10 10:21
Platform
win7-20240729-en
Max time kernel
63s
Max time network
17s
Command Line
Signatures
SmokeLoader
Smokeloader family
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.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\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 528 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 528 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 528 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 528 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe
"C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 140
Network
Files
memory/528-1-0x0000000000520000-0x0000000000620000-memory.dmp
memory/528-2-0x0000000000220000-0x0000000000229000-memory.dmp
memory/528-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/528-5-0x0000000000220000-0x0000000000229000-memory.dmp
memory/528-6-0x0000000000400000-0x0000000000409000-memory.dmp
memory/528-4-0x0000000000400000-0x0000000000490000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 10:18
Reported
2024-11-10 10:21
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
138s
Command Line
Signatures
SmokeLoader
Smokeloader family
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.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\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.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\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe
"C:\Users\Admin\AppData\Local\Temp\a5e649c834f91bd5a2a5e776350fa0de963ca30bab4436aa4dbe0d56364aa832.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2504 -ip 2504
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.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 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
Files
memory/2504-2-0x0000000000560000-0x0000000000569000-memory.dmp
memory/2504-1-0x00000000005C0000-0x00000000006C0000-memory.dmp
memory/2504-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2504-4-0x0000000000400000-0x0000000000490000-memory.dmp
memory/2504-5-0x0000000000560000-0x0000000000569000-memory.dmp
memory/2504-6-0x0000000000400000-0x0000000000409000-memory.dmp