Analysis Overview
SHA256
1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221
Threat Level: Likely malicious
The file 1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221 was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Identifies Wine through registry keys
Checks whether UAC is enabled
Writes to the Master Boot Record (MBR)
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-26 14:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-26 14:17
Reported
2024-05-26 14:20
Platform
win7-20240221-en
Max time kernel
143s
Max time network
124s
Command Line
Signatures
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\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.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\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | 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\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe
"C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe"
Network
Files
memory/1688-0-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-1-0x00000000765E0000-0x00000000765E1000-memory.dmp
memory/1688-4-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-5-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-6-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-7-0x0000000000400000-0x00000000036B8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pcsf.ini
| MD5 | 681496ec06a1de0b86c016432b484d1c |
| SHA1 | d7cd30308a7865424124b448638ab2701abacb11 |
| SHA256 | 50ea92c083a43e75d9ddb9f578c18c146fe5202f208d1e3ee0c047c7b544dea8 |
| SHA512 | 9626c2013693b6d8dc62a6c26115349f88085f3f90c1b8791d7ce52541fe2f62ccbfad56937d14f762d3960c5dca593f8aa7d6de04b102f5b41a638306d71de0 |
memory/1688-35-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-36-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-37-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-38-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-39-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-40-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-41-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-42-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-43-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1688-44-0x0000000000400000-0x00000000036B8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-26 14:17
Reported
2024-05-26 14:20
Platform
win10v2004-20240508-en
Max time kernel
142s
Max time network
128s
Command Line
Signatures
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\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | 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\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe
"C:\Users\Admin\AppData\Local\Temp\1b55be7a86a29b28efdc8319e54e2f6895e4b41ad245a54ed9aba01efbd9e221.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8
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 | 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 | 72.32.126.40.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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 |
Files
memory/1252-0-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-3-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-4-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-5-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-6-0x0000000000400000-0x00000000036B8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\pcsf.ini
| MD5 | 681496ec06a1de0b86c016432b484d1c |
| SHA1 | d7cd30308a7865424124b448638ab2701abacb11 |
| SHA256 | 50ea92c083a43e75d9ddb9f578c18c146fe5202f208d1e3ee0c047c7b544dea8 |
| SHA512 | 9626c2013693b6d8dc62a6c26115349f88085f3f90c1b8791d7ce52541fe2f62ccbfad56937d14f762d3960c5dca593f8aa7d6de04b102f5b41a638306d71de0 |
memory/1252-34-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-35-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-36-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-37-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-38-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-39-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-40-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-41-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-42-0x0000000000400000-0x00000000036B8000-memory.dmp
memory/1252-43-0x0000000000400000-0x00000000036B8000-memory.dmp