Analysis Overview
SHA256
a40d8eac4b4f218111ea60be92d5fddbd5fe54b2d0ac8a875bc69be87e0abfbf
Threat Level: Known bad
The file 620b027b554f7183e3aa04222ef16300N.exe 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
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-25 03:14
Signatures
Smokeloader family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-25 03:14
Reported
2024-07-25 03:16
Platform
win7-20240705-en
Max time kernel
15s
Max time network
18s
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\620b027b554f7183e3aa04222ef16300N.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\620b027b554f7183e3aa04222ef16300N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2060 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2060 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2060 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2060 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe
"C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 36
Network
Files
memory/2060-0-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-25 03:14
Reported
2024-07-25 03:16
Platform
win10v2004-20240709-en
Max time kernel
114s
Max time network
122s
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\620b027b554f7183e3aa04222ef16300N.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\620b027b554f7183e3aa04222ef16300N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe
"C:\Users\Admin\AppData\Local\Temp\620b027b554f7183e3aa04222ef16300N.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3900 -ip 3900
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 224
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/3900-0-0x0000000000400000-0x000000000040B000-memory.dmp