Analysis Overview
SHA256
47ff78372aeb7ca7e16561fce7b86705bbf8f794e68ef32adc5437e40da30a6c
Threat Level: Shows suspicious behavior
The file UACModuleSmokeLoader.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Writes to the Master Boot Record (MBR)
Unsigned PE
Program crash
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 23:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 23:25
Reported
2024-05-08 23:29
Platform
win7-20240215-en
Max time kernel
140s
Max time network
124s
Command Line
Signatures
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe
"C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe"
Network
Files
memory/2304-0-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/2304-1-0x0000000001F00000-0x0000000001F80000-memory.dmp
memory/2304-2-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2304-3-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/2304-4-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/2304-6-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/2304-7-0x0000000000400000-0x000000000046F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 23:25
Reported
2024-05-08 23:29
Platform
win10v2004-20240426-en
Max time kernel
144s
Max time network
91s
Command Line
Signatures
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe
"C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5352 -ip 5352
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5352 -s 668
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 52.111.236.23:443 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/5352-0-0x0000000002280000-0x0000000002281000-memory.dmp
memory/5352-2-0x0000000000400000-0x000000000046F000-memory.dmp
memory/5352-3-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/5352-1-0x0000000002960000-0x00000000029E0000-memory.dmp
memory/5352-4-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/5352-7-0x0000000000400000-0x000000000046F000-memory.dmp