Analysis Overview
SHA256
6d9ab7746ba4bc18d076c0c861c047eff6320f27d6a123e4771a8ba87ada6346
Threat Level: Likely malicious
The file 6d9ab7746ba4bc18d076c0c861c047eff6320f27d6a123e4771a8ba87ada6346.bin was found to be: Likely malicious.
Malicious Activity Summary
Removes its main activity from the application launcher
Loads dropped Dex/Jar
Makes use of the framework's foreground persistence service
Tries to add a device administrator.
Queries information about active data network
Requests changing the default SMS application.
Declares broadcast receivers with permission to handle system events
Requests dangerous framework permissions
Acquires the wake lock
Registers a broadcast receiver at runtime (usually for listening for system events)
Uses Crypto APIs (Might try to encrypt user data)
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-06-13 05:20
Signatures
Declares broadcast receivers with permission to handle system events
| Description | Indicator | Process | Target |
| Required by device admin receivers to bind with the system. Allows apps to manage device administration features. | android.permission.BIND_DEVICE_ADMIN | N/A | N/A |
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows an application to receive SMS messages. | android.permission.RECEIVE_SMS | N/A | N/A |
| Allows an application to read SMS messages. | android.permission.READ_SMS | N/A | N/A |
| Allows an application to send SMS messages. | android.permission.SEND_SMS | N/A | N/A |
| Allows an application to write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an application to read the user's contacts data. | android.permission.READ_CONTACTS | N/A | N/A |
| Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. | android.permission.READ_PHONE_STATE | N/A | N/A |
| Allows an application to read from external storage. | android.permission.READ_EXTERNAL_STORAGE | N/A | N/A |
| Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. | android.permission.CALL_PHONE | N/A | N/A |
| Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. | android.permission.SYSTEM_ALERT_WINDOW | N/A | N/A |
| Allows an application to see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. | android.permission.PROCESS_OUTGOING_CALLS | N/A | N/A |
| Allows an application to read the user's call log. | android.permission.READ_CALL_LOG | N/A | N/A |
| Allows an application to write and read the user's call log data. | android.permission.WRITE_CALL_LOG | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 05:20
Reported
2024-06-13 05:23
Platform
android-x86-arm-20240611.1-en
Max time kernel
178s
Max time network
169s
Command Line
Signatures
Removes its main activity from the application launcher
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/data/ntebn.bvt.cn/b.zip | N/A | N/A |
| N/A | /data/data/ntebn.bvt.cn/b.zip | N/A | N/A |
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Makes use of the framework's foreground persistence service
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.setServiceForeground | N/A | N/A |
Queries information about active data network
| Description | Indicator | Process | Target |
| Framework service call | android.net.IConnectivityManager.getActiveNetworkInfo | N/A | N/A |
Requests changing the default SMS application.
| Description | Indicator | Process | Target |
| Intent action | android.provider.Telephony.ACTION_CHANGE_DEFAULT | N/A | N/A |
Tries to add a device administrator.
| Description | Indicator | Process | Target |
| Intent action | android.app.action.ADD_DEVICE_ADMIN | N/A | N/A |
Registers a broadcast receiver at runtime (usually for listening for system events)
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.registerReceiver | N/A | N/A |
Uses Crypto APIs (Might try to encrypt user data)
| Description | Indicator | Process | Target |
| Framework API call | javax.crypto.Cipher.doFinal | N/A | N/A |
Processes
ntebn.bvt.cn
Network
| Country | Destination | Domain | Proto |
| GB | 142.250.180.14:443 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| TW | 36.225.156.71:1985 | tcp | |
| KR | 103.13.221.37:80 | 103.13.221.37 | tcp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.200.46:443 | android.apis.google.com | tcp |
| GB | 142.250.187.234:443 | semanticlocation-pa.googleapis.com | tcp |
| GB | 142.250.187.234:443 | semanticlocation-pa.googleapis.com | tcp |
| TW | 36.225.156.71:1985 | tcp |
Files
/data/data/ntebn.bvt.cn/b.zip
| MD5 | 82bdf73b0f50e7cd76cdf0e1734f4053 |
| SHA1 | 9be1158225d392644a5bc74ba3ad3e13765b56eb |
| SHA256 | f53ede16079906926ba44d06ef42c26bc055a3ad2c88f7f1c6bc600a1f94360a |
| SHA512 | 0e5d1cc8535bba4cfb0ef478d2d9c38ccec0bade19d84ef8681c72fbf1890d58b5d66f5354628bb164d76dab4731f243b232188221bb30845915895c0a178b3a |
/data/data/ntebn.bvt.cn/files/config
| MD5 | 4096b38eb5f8ed2d089fd6b3642a84a8 |
| SHA1 | 0111ad93d2debb376046d02b048b57e002483e2d |
| SHA256 | 423f45b9a05a6c6362aafd6cc7e0ea5bd93ceeb12acfc2b6a76c494ce0ab6362 |
| SHA512 | c8332e2e021db4f316589fc87b27463458d0daaeb53d24f534c930eee7158da54c6082c673a997ed936e02cd39072c7ccf6cec64b7a07d21507b2b6afc82daa9 |