Analysis Overview
SHA256
b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65
Threat Level: Shows suspicious behavior
The file b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Writes to the Master Boot Record (MBR)
Unsigned PE
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 23:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 23:10
Reported
2024-05-08 23:13
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
154s
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\b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65.exe
"C:\Users\Admin\AppData\Local\Temp\b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65.exe"
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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.211.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 88.221.83.234:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| BE | 88.221.83.234:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 234.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
memory/628-0-0x0000000002250000-0x0000000002251000-memory.dmp
memory/628-2-0x0000000000400000-0x000000000046F000-memory.dmp
memory/628-1-0x00000000027A0000-0x0000000002820000-memory.dmp
memory/628-3-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/628-4-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/628-7-0x0000000000400000-0x000000000046F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 23:10
Reported
2024-05-08 23:13
Platform
win11-20240426-en
Max time kernel
141s
Max time network
95s
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\b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65.exe
"C:\Users\Admin\AppData\Local\Temp\b1a9dc57920812d55aa0dd81beb8cade20d3a9303878d5d4b257766cc7a55d65.exe"
Network
Files
memory/5080-0-0x0000000002440000-0x0000000002441000-memory.dmp
memory/5080-1-0x00000000028D0000-0x0000000002950000-memory.dmp
memory/5080-2-0x0000000000400000-0x000000000046F000-memory.dmp
memory/5080-3-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/5080-4-0x0000000000400000-0x00000000004EE000-memory.dmp
memory/5080-6-0x0000000002440000-0x0000000002441000-memory.dmp
memory/5080-8-0x0000000000400000-0x000000000046F000-memory.dmp