Analysis Overview
SHA256
1efc9c9bcc22e543b04f17a75ff7511ea9f5e77f5a1bc6bf677e2f2ef11779d1
Threat Level: Likely malicious
The file 5e15c92f3aad1e990539450b84e2febc_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Removes its main activity from the application launcher
Makes use of the framework's foreground persistence service
Declares services with permission to bind to the system
Requests dangerous framework permissions
Checks if the internet connection is available
Uses Crypto APIs (Might try to encrypt user data)
MITRE ATT&CK
Mobile Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-20 08:24
Signatures
Declares services with permission to bind to the system
| Description | Indicator | Process | Target |
| Required by VPN services to bind with the system. Allows apps to provision VPN services. | android.permission.BIND_VPN_SERVICE | N/A | N/A |
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows an application to write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an app to access precise location. | android.permission.ACCESS_FINE_LOCATION | N/A | N/A |
| Allows an app to access approximate location. | android.permission.ACCESS_COARSE_LOCATION | 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 read from external storage. | android.permission.READ_EXTERNAL_STORAGE | N/A | N/A |
| Allows an application to request installing packages. | android.permission.REQUEST_INSTALL_PACKAGES | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-20 08:24
Reported
2024-05-20 12:00
Platform
android-x86-arm-20240514-en
Max time kernel
179s
Max time network
130s
Command Line
Signatures
Removes its main activity from the application launcher
| Description | Indicator | Process | Target |
| N/A | N/A | 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 |
Checks if the internet connection is available
| Description | Indicator | Process | Target |
| Framework service call | android.net.IConnectivityManager.getActiveNetworkInfo | 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
com.cold.toothbrush
Network
| Country | Destination | Domain | Proto |
| GB | 216.58.213.3:443 | tcp | |
| GB | 142.250.200.14:443 | tcp | |
| GB | 142.250.200.10:443 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 142.250.187.234:443 | tcp | |
| US | 1.1.1.1:53 | mmunitedaw.info | udp |
| LT | 149.100.158.54:443 | mmunitedaw.info | tcp |
| LT | 149.100.158.54:443 | mmunitedaw.info | tcp |
| GB | 172.217.169.14:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.187.238:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
Files
/data/data/com.cold.toothbrush/files/af812f95-5da2-4ae3-9d99-cca2e6b7178f.dat
| MD5 | cbc6f3b8274f624f276d179b33802aeb |
| SHA1 | 813f926419070d297a61c2c5623c8ce651804b34 |
| SHA256 | 4eeb5d754c6771277cda6fda15a659ac14544f51b1732fb57947da9760d0582f |
| SHA512 | edc8140147dff416749fda8dcee6b4e865626946cdff04af528ce440bb84995342ea4de804ac8ef2a3d6d60d7b2f764d7f949fc23f966093a4c769d670b7b7b3 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-20 08:24
Reported
2024-05-20 08:27
Platform
android-x64-20240514-en
Max time network
156s
Command Line
Signatures
Processes
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 172.217.169.72:443 | ssl.google-analytics.com | tcp |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 216.58.201.110:443 | android.apis.google.com | tcp |
| GB | 216.58.204.74:443 | tcp | |
| GB | 172.217.169.14:443 | tcp | |
| GB | 172.217.16.228:443 | tcp | |
| GB | 172.217.16.228:443 | tcp | |
| GB | 142.250.187.238:443 | tcp | |
| GB | 142.250.200.2:443 | tcp |
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-20 08:24
Reported
2024-05-20 08:27
Platform
android-x64-arm64-20240514-en
Max time kernel
179s
Max time network
132s
Command Line
Signatures
Removes its main activity from the application launcher
| Description | Indicator | Process | Target |
| N/A | N/A | 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 |
Checks if the internet connection is available
| Description | Indicator | Process | Target |
| Framework service call | android.net.IConnectivityManager.getActiveNetworkInfo | 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
com.cold.toothbrush
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | mmunitedaw.info | udp |
| LT | 149.100.158.54:443 | mmunitedaw.info | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 142.250.200.40:443 | ssl.google-analytics.com | tcp |
| LT | 149.100.158.54:443 | mmunitedaw.info | tcp |
| GB | 142.250.178.14:443 | tcp | |
| GB | 142.250.178.14:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 216.58.212.238:443 | android.apis.google.com | tcp |
| GB | 216.58.201.100:443 | tcp | |
| GB | 216.58.201.100:443 | tcp |
Files
/data/user/0/com.cold.toothbrush/files/af812f95-5da2-4ae3-9d99-cca2e6b7178f.dat
| MD5 | e42d23bfb1ae141dbaa435b4f4823034 |
| SHA1 | 997b3a818ed2b38667496274aaf538e1fd54a455 |
| SHA256 | 35e2fa0a66da65162cafa53dcf915583df3f742caa76b311e95c89aeb5f54be8 |
| SHA512 | 704f7fda6c0efae9bacdeb8e02646e6de6ce0d9d0523918ad1bfa68b7990f0e26c6b00f50150a72a37755d0662261cb804a4a203850f82ad970f2f3d0c80e2fe |