Analysis Overview
SHA256
be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e
Threat Level: Known bad
The file be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e was found to be: Known bad.
Malicious Activity Summary
PrivateLoader
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 12:24
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 12:24
Reported
2024-05-10 12:27
Platform
win7-20231129-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
PrivateLoader
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.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\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe
"C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.diskgenius.cn | udp |
| US | 8.8.8.8:53 | www.diskgenius.cn | udp |
| US | 8.8.8.8:53 | www.diskgenius.cn | udp |
| CN | 180.101.203.206:443 | www.diskgenius.cn | tcp |
| CN | 58.218.215.168:443 | www.diskgenius.cn | tcp |
| CN | 61.160.192.99:443 | www.diskgenius.cn | tcp |
| CN | 180.101.203.206:443 | www.diskgenius.cn | tcp |
| CN | 180.101.203.206:443 | www.diskgenius.cn | tcp |
| CN | 180.101.203.206:443 | www.diskgenius.cn | tcp |
Files
memory/2032-5-0x0000000077070000-0x0000000077072000-memory.dmp
memory/2032-3-0x0000000077070000-0x0000000077072000-memory.dmp
memory/2032-1-0x0000000077070000-0x0000000077072000-memory.dmp
memory/2032-0-0x00000001409E3000-0x0000000140AAF000-memory.dmp
memory/2032-6-0x0000000140000000-0x00000001423FE000-memory.dmp
memory/2032-10-0x00000001409E3000-0x0000000140AAF000-memory.dmp
memory/2032-11-0x0000000140000000-0x00000001423FE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 12:24
Reported
2024-05-10 12:27
Platform
win10v2004-20240226-en
Max time kernel
151s
Max time network
165s
Command Line
Signatures
PrivateLoader
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\F: | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.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\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.exe
"C:\Users\Admin\AppData\Local\Temp\be4fd58d0f1f2c09fcae3dbd62455e9cf0f64ecd1a9b146d8cdf62fc599e2d8e.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 --mojo-platform-channel-handle=4068 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 13.107.253.67:443 | tcp | |
| US | 8.8.8.8:53 | www.diskgenius.cn | udp |
| CN | 61.160.192.99:443 | www.diskgenius.cn | tcp |
| CN | 61.160.192.99:443 | www.diskgenius.cn | tcp |
| CN | 61.160.192.99:443 | www.diskgenius.cn | tcp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.diskgenius.cn | udp |
| CN | 58.218.215.168:443 | www.diskgenius.cn | tcp |
| CN | 58.218.215.168:443 | www.diskgenius.cn | tcp |
| CN | 58.218.215.168:443 | www.diskgenius.cn | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.187.202:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 202.187.250.142.in-addr.arpa | udp |
Files
memory/2548-0-0x00000001409E3000-0x0000000140AAF000-memory.dmp
memory/2548-1-0x00007FFFF6EB0000-0x00007FFFF6EB2000-memory.dmp
memory/2548-3-0x0000000140000000-0x00000001423FE000-memory.dmp
memory/2548-6-0x00000001409E3000-0x0000000140AAF000-memory.dmp
memory/2548-7-0x0000000140000000-0x00000001423FE000-memory.dmp