Analysis Overview
SHA256
b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8
Threat Level: Known bad
The file b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8 was found to be: Known bad.
Malicious Activity Summary
RisePro
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Themida packer
Checks BIOS information in registry
Checks whether UAC is enabled
Unsigned PE
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 05:38
Signatures
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 05:38
Reported
2024-04-06 05:41
Platform
win10v2004-20231215-en
Max time kernel
142s
Max time network
93s
Command Line
Signatures
RisePro
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe
"C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/4724-0-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-1-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-2-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-3-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-4-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-5-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-6-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-7-0x0000000000E10000-0x00000000015BF000-memory.dmp
memory/4724-8-0x0000000000E10000-0x00000000015BF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 05:38
Reported
2024-04-06 05:41
Platform
win11-20240319-en
Max time kernel
140s
Max time network
150s
Command Line
Signatures
RisePro
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe
"C:\Users\Admin\AppData\Local\Temp\b3a20b7f29b73ca912896d6f6cd9b4b5f707d8f57f36e424fcf80db590fd4ba8.exe"
Network
| Country | Destination | Domain | Proto |
| 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 |
Files
memory/248-0-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-1-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-2-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-3-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-4-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-5-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-6-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-7-0x0000000000BC0000-0x000000000136F000-memory.dmp
memory/248-8-0x0000000000BC0000-0x000000000136F000-memory.dmp