Analysis Overview
SHA256
d6c6f631148ded2b6048fc34a5a2ba9b5c2576e0436983bb0f0bf8f8d6941b6f
Threat Level: Known bad
The file octo_googlechrome.apk was found to be: Known bad.
Malicious Activity Summary
Octo
Octo payload
Makes use of the framework's Accessibility service
Removes its main activity from the application launcher
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Requests enabling of the accessibility settings.
Loads dropped Dex/Jar
Declares services with permission to bind to the system
Declares broadcast receivers with permission to handle system events
Acquires the wake lock
Requests disabling of battery optimizations (often used to enable hiding in the background).
Reads information about phone network operator.
Requests dangerous framework permissions
Uses Crypto APIs (Might try to encrypt user data)
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-15 10:30
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 |
Declares services with permission to bind to the system
| Description | Indicator | Process | Target |
| Required by accessibility services to bind with the system. Allows apps to access accessibility features. | android.permission.BIND_ACCESSIBILITY_SERVICE | N/A | N/A |
| Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. | android.permission.BIND_NOTIFICATION_LISTENER_SERVICE | 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 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 application to read or write the system settings. | android.permission.WRITE_SETTINGS | 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 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-15 10:30
Reported
2024-02-15 10:31
Platform
android-x64-20231215-en
Max time kernel
61s
Max time network
67s
Command Line
Signatures
Octo
Octo payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
| Description | Indicator | Process | Target |
| Framework service call | android.content.pm.IPackageManager.getInstalledApplications | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.wasturn0/cache/bqcppes | N/A | N/A |
| N/A | /data/user/0/com.wasturn0/cache/bqcppes | N/A | N/A |
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Reads information about phone network operator.
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.wasturn0
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | feeeleen.top | udp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 142.250.187.200:443 | ssl.google-analytics.com | tcp |
| RU | 176.113.115.116:443 | feeeleen.top | tcp |
| RU | 176.113.115.116:443 | feeeleen.top | tcp |
| RU | 176.113.115.116:443 | feeeleen.top | tcp |
| GB | 172.217.16.238:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 172.217.169.46:443 | android.apis.google.com | tcp |
| GB | 216.58.201.100:443 | tcp | |
| GB | 216.58.201.100:443 | tcp |
Files
/data/data/com.wasturn0/cache/bqcppes
| MD5 | 0f1013eb6265187c8f6ea22b96608d29 |
| SHA1 | ca2d38e8e3006f80d0d1547dac1c89a0e9a34e0b |
| SHA256 | e859db4a5f8e48facff32e43a5d6fd98454acef0ff1b74c275ffc2f9614d1977 |
| SHA512 | b3b59cf8a30a4177e2bbf0394423353c21ea67c53df0753f6787e12e27a8ec5a2ede025e1d51fc6aa702814486521492ba6d7684ac3a5e67a8e1f0aacc009d89 |
/data/data/com.wasturn0/kl.txt
| MD5 | 6311c3fd15588bb5c126e6c28ff5fffe |
| SHA1 | ce81d136fce31779f4dd62e20bdaf99c91e2fc57 |
| SHA256 | 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8 |
| SHA512 | 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-15 10:30
Reported
2024-02-15 10:31
Platform
android-x86-arm-20231215-en
Max time kernel
60s
Max time network
57s
Command Line
Signatures
Octo
Octo payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
| Description | Indicator | Process | Target |
| Framework service call | android.content.pm.IPackageManager.getInstalledApplications | N/A | N/A |
Removes its main activity from the application launcher
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.wasturn0/cache/bqcppes | N/A | N/A |
| N/A | /data/user/0/com.wasturn0/cache/bqcppes | N/A | N/A |
Requests enabling of the accessibility settings.
| Description | Indicator | Process | Target |
| Intent action | android.settings.ACCESSIBILITY_SETTINGS | N/A | N/A |
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Requests disabling of battery optimizations (often used to enable hiding in the background).
| Description | Indicator | Process | Target |
| Intent action | android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS | 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.wasturn0
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| GB | 142.250.187.202:443 | semanticlocation-pa.googleapis.com | tcp |
| US | 1.1.1.1:53 | feeeleen.top | udp |
| RU | 176.113.115.116:443 | feeeleen.top | tcp |
| RU | 176.113.115.116:443 | feeeleen.top | tcp |
| RU | 176.113.115.116:443 | feeeleen.top | tcp |
| GB | 142.250.179.238:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.178.14:443 | android.apis.google.com | tcp |
| GB | 142.250.179.234:443 | semanticlocation-pa.googleapis.com | tcp |
Files
/data/data/com.wasturn0/cache/bqcppes
| MD5 | 0f1013eb6265187c8f6ea22b96608d29 |
| SHA1 | ca2d38e8e3006f80d0d1547dac1c89a0e9a34e0b |
| SHA256 | e859db4a5f8e48facff32e43a5d6fd98454acef0ff1b74c275ffc2f9614d1977 |
| SHA512 | b3b59cf8a30a4177e2bbf0394423353c21ea67c53df0753f6787e12e27a8ec5a2ede025e1d51fc6aa702814486521492ba6d7684ac3a5e67a8e1f0aacc009d89 |
/data/user/0/com.wasturn0/cache/bqcppes
| MD5 | f76ac8d35bed09fa82c9e0758f8ffc54 |
| SHA1 | 086c3213a3e63d30b6800962b8bfbc2dcd95b75e |
| SHA256 | 020950b66e1ce9b9cd67636ed89f595a7de1cf8c763a43b32b2d9e7e74dfb620 |
| SHA512 | e04f0e47a6314fb928d91bad776b83003856ed82a283133b66589d49b0706d54f8513d27bf0cd75f22b8909186076523e7a2a50e699136afaca76f07faccbc36 |
/data/data/com.wasturn0/kl.txt
| MD5 | 6311c3fd15588bb5c126e6c28ff5fffe |
| SHA1 | ce81d136fce31779f4dd62e20bdaf99c91e2fc57 |
| SHA256 | 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8 |
| SHA512 | 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6 |
/data/data/com.wasturn0/cache/oat/bqcppes.cur.prof
| MD5 | 471119745a31e49ea3309e06fb393baf |
| SHA1 | c6bea3bb91745e56164d39aa2ee76bf5500fc3d7 |
| SHA256 | 9abf27534c4449da89a596689303c55b91574f53a2e8dbc6f6dd54a087739769 |
| SHA512 | bd89535c373d4cee8dd2f33ce7f0267e175529ac59b2d9169061d933b3b5859f9818188f3cf80d12a450d1ad0a2bdaf3759476f966b6b9eecb95413deac5c911 |