Analysis Overview
SHA256
fb5285d9a5246233433953b031ec02d85859f6a5e882bc02ec631e924e4a1591
Threat Level: Known bad
The file chrome.apk was found to be: Known bad.
Malicious Activity Summary
Octo
Octo payload
Removes its main activity from the application launcher
Obtains sensitive information copied to the device clipboard
Makes use of the framework's Accessibility service
Queries the phone number (MSISDN for GSM devices)
Loads dropped Dex/Jar
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Declares services with permission to bind to the system
Makes use of the framework's foreground persistence service
Requests enabling of the accessibility settings.
Queries the mobile country code (MCC)
Requests disabling of battery optimizations (often used to enable hiding in the background).
Queries the unique device ID (IMEI, MEID, IMSI)
Requests accessing notifications (often used to intercept notifications before users become aware).
Performs UI accessibility actions on behalf of the user
Reads information about phone network operator.
Requests modifying system settings.
Declares broadcast receivers with permission to handle system events
Acquires the wake lock
Requests dangerous framework permissions
Registers a broadcast receiver at runtime (usually for listening for system events)
Uses Crypto APIs (Might try to encrypt user data)
Checks CPU information
Checks memory information
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-06-06 10:49
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 write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | 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 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 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 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 10:49
Reported
2024-06-06 10:52
Platform
android-x86-arm-20240603-en
Max time kernel
179s
Max time network
159s
Command Line
Signatures
Octo
Octo payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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/user/0/com.groupsimpleam/cache/dapkrw | N/A | N/A |
| N/A | /data/user/0/com.groupsimpleam/cache/dapkrw | 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)
Queries the phone number (MSISDN for GSM devices)
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 |
Performs UI accessibility actions on behalf of the user
| Description | Indicator | Process | Target |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | N/A | N/A |
Queries the unique device ID (IMEI, MEID, IMSI)
Reads information about phone network operator.
Requests accessing notifications (often used to intercept notifications before users become aware).
| Description | Indicator | Process | Target |
| Intent action | android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS | 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 |
Requests enabling of the accessibility settings.
| Description | Indicator | Process | Target |
| Intent action | android.settings.ACCESSIBILITY_SETTINGS | N/A | N/A |
Requests modifying system settings.
| Description | Indicator | Process | Target |
| Intent action | android.settings.action.MANAGE_WRITE_SETTINGS | 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 |
Checks CPU information
| Description | Indicator | Process | Target |
| File opened for read | /proc/cpuinfo | N/A | N/A |
Checks memory information
| Description | Indicator | Process | Target |
| File opened for read | /proc/meminfo | N/A | N/A |
Processes
com.groupsimpleam
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | dvapo05.top | udp |
| US | 1.1.1.1:53 | junggvrebvqqpo.org | udp |
| US | 1.1.1.1:53 | junggvbvqqnetokpo.com | udp |
| US | 1.1.1.1:53 | junggvbvq5656.top | udp |
| US | 1.1.1.1:53 | bobnoopopo.org | udp |
| US | 1.1.1.1:53 | junggvbvq.top | udp |
| US | 1.1.1.1:53 | jungjunjunggvbvq.top | udp |
| US | 1.1.1.1:53 | junggvbvqqgrouppo.com | udp |
| US | 1.1.1.1:53 | junggpervbvqqqqqqpo.com | udp |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.187.238:443 | android.apis.google.com | tcp |
| GB | 216.58.212.234:443 | semanticlocation-pa.googleapis.com | tcp |
| US | 1.1.1.1:53 | static.xx.fbcdn.net | udp |
| GB | 163.70.147.23:443 | static.xx.fbcdn.net | tcp |
| US | 1.1.1.1:53 | www.google.com | udp |
| GB | 142.250.200.36:443 | www.google.com | tcp |
| US | 1.1.1.1:53 | update.googleapis.com | udp |
| GB | 142.250.180.3:443 | update.googleapis.com | tcp |
| GB | 142.250.187.206:443 | tcp | |
| GB | 216.58.213.2:443 | tcp | |
| US | 1.1.1.1:53 | www.amazon.com | udp |
| GB | 13.224.242.232:443 | www.amazon.com | tcp |
| GB | 13.224.242.232:443 | www.amazon.com | tcp |
| US | 1.1.1.1:53 | completion.amazon.com | udp |
| US | 1.1.1.1:53 | images-na.ssl-images-amazon.com | udp |
| US | 1.1.1.1:53 | m.media-amazon.com | udp |
| US | 151.101.65.16:443 | images-na.ssl-images-amazon.com | tcp |
| GB | 18.165.156.107:443 | m.media-amazon.com | tcp |
| US | 151.101.65.16:443 | images-na.ssl-images-amazon.com | tcp |
| US | 151.101.65.16:443 | images-na.ssl-images-amazon.com | tcp |
| US | 151.101.65.16:443 | images-na.ssl-images-amazon.com | tcp |
| US | 151.101.65.16:443 | images-na.ssl-images-amazon.com | tcp |
| US | 151.101.65.16:443 | images-na.ssl-images-amazon.com | tcp |
| US | 151.101.65.16:443 | images-na.ssl-images-amazon.com | tcp |
| US | 1.1.1.1:53 | fls-na.amazon.com | udp |
| GB | 18.165.156.107:443 | m.media-amazon.com | tcp |
| US | 44.208.177.76:443 | fls-na.amazon.com | tcp |
| US | 44.208.177.76:443 | fls-na.amazon.com | tcp |
Files
/data/data/com.groupsimpleam/cache/dapkrw
| MD5 | 79c94cdc2a0013a4cbb9653409a92535 |
| SHA1 | bff65f825a7515d8da86d6df3b84fafa5aaabc9e |
| SHA256 | 390ed03af32ac3d99ffa5ee0d9a4ac4556d6153e3ebbbf60feb0a46e3068a7e2 |
| SHA512 | e7249b4c67b6e03fd4742888a369dd139fc49b4181629afd88019cb0389d6de853d4cbda781f5cd0eb7c9f1bc4ed4b890f1e6daa6694d8ded335ed176bd326b1 |
/data/data/com.groupsimpleam/kl.txt
| MD5 | 6311c3fd15588bb5c126e6c28ff5fffe |
| SHA1 | ce81d136fce31779f4dd62e20bdaf99c91e2fc57 |
| SHA256 | 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8 |
| SHA512 | 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6 |
/data/data/com.groupsimpleam/cache/oat/dapkrw.cur.prof
| MD5 | 3d925547cfdaae48bfa2b927b0da0351 |
| SHA1 | e5cd42dab157307b3d01f6114d41366aacb83556 |
| SHA256 | 76aeb57d646771d44244a0aaa7a4e0ca58c5b382204588f0bf93d652feb673e6 |
| SHA512 | 2a512725c0204ff9cad56427fa33def68e96fbd7f145d410c8538f08936caa965c266484f1abaa320e4e2c6fed8a089a4c6472c364d2c2139fcb3f598ec51282 |
/data/data/com.groupsimpleam/cache/oat/dapkrw.cur.prof
| MD5 | 968f636cdcc0e61a45da548961df5aae |
| SHA1 | 8a295b05f51e76ba5124453a2497657cc334f77c |
| SHA256 | d892e237d720f88fecad04fb8dc83a9bc6559337a2f9f6d9634a08ef694f5c11 |
| SHA512 | eabb00ddc42f3cc58d3d59ef85dab85d4675ea2d7f2e09dab3adfaa70002dfb89ff445717e028ad06166c3de26528eb7ec5f1389f5b2f5551b45fc9c64ad0867 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 10:49
Reported
2024-06-06 10:52
Platform
android-x64-arm64-20240603-en
Max time kernel
179s
Max time network
132s
Command Line
Signatures
Octo
Octo payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.groupsimpleam/cache/dapkrw | N/A | N/A |
| N/A | /data/user/0/com.groupsimpleam/cache/dapkrw | 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 |
Obtains sensitive information copied to the device clipboard
| Description | Indicator | Process | Target |
| Framework service call | android.content.IClipboard.addPrimaryClipChangedListener | 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)
Queries the phone number (MSISDN for GSM devices)
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 |
Performs UI accessibility actions on behalf of the user
| Description | Indicator | Process | Target |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
| N/A | android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction | N/A | N/A |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | N/A | N/A |
Reads information about phone network operator.
Requests accessing notifications (often used to intercept notifications before users become aware).
| Description | Indicator | Process | Target |
| Intent action | android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS | 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 |
Checks CPU information
| Description | Indicator | Process | Target |
| File opened for read | /proc/cpuinfo | N/A | N/A |
Checks memory information
| Description | Indicator | Process | Target |
| File opened for read | /proc/meminfo | N/A | N/A |
Processes
com.groupsimpleam
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 142.250.179.238:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.179.238:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | jungjunjunggvbvq.top | udp |
| US | 1.1.1.1:53 | bobnoopopo.org | udp |
| US | 1.1.1.1:53 | junggvbvq.top | udp |
| US | 1.1.1.1:53 | junggvbvqqgrouppo.com | udp |
| US | 1.1.1.1:53 | junggpervbvqqqqqqpo.com | udp |
| US | 1.1.1.1:53 | junggvbvqqnetokpo.com | udp |
| US | 1.1.1.1:53 | junggvbvq5656.top | udp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 142.250.187.232:443 | ssl.google-analytics.com | tcp |
| US | 1.1.1.1:53 | junggvrebvqqpo.org | udp |
| US | 1.1.1.1:53 | dvapo05.top | udp |
| GB | 142.250.180.4:443 | tcp | |
| GB | 142.250.180.4:443 | tcp |
Files
/data/user/0/com.groupsimpleam/cache/dapkrw
| MD5 | 79c94cdc2a0013a4cbb9653409a92535 |
| SHA1 | bff65f825a7515d8da86d6df3b84fafa5aaabc9e |
| SHA256 | 390ed03af32ac3d99ffa5ee0d9a4ac4556d6153e3ebbbf60feb0a46e3068a7e2 |
| SHA512 | e7249b4c67b6e03fd4742888a369dd139fc49b4181629afd88019cb0389d6de853d4cbda781f5cd0eb7c9f1bc4ed4b890f1e6daa6694d8ded335ed176bd326b1 |
/data/user/0/com.groupsimpleam/kl.txt
| MD5 | 6311c3fd15588bb5c126e6c28ff5fffe |
| SHA1 | ce81d136fce31779f4dd62e20bdaf99c91e2fc57 |
| SHA256 | 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8 |
| SHA512 | 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6 |
/data/user/0/com.groupsimpleam/kl.txt
| MD5 | 12757892398445a251d77351164cbba1 |
| SHA1 | c3bf29a5913b1972a82496f1283a0f07567313d0 |
| SHA256 | 7ddd7baf51c817d4d889659d544ddcdd4a96dacf365bb793b5548cf67732c8bf |
| SHA512 | 14235be4ca301eaee9be95e63828b6c3ea26fe6f31cff6deb80bd470660ea8670ce66560d0a20db4884105e66d6a68706e7ee735e9f7371778317aae7cd27ec3 |
/data/user/0/com.groupsimpleam/kl.txt
| MD5 | edd4854c5fdf4636e502a657ebf1a85e |
| SHA1 | d27c278205acafafb6248378fb83494ccce4f716 |
| SHA256 | 4ac0d8f4435ea5636a6423ecaedd448227971d80425be154e2228047d0a24d7a |
| SHA512 | 1edccfa70b84deb919fc3845738160470667d0249becbefa4d3113bcaa77a9e958f934bff8cdb56401d1fe526acfbe03de574fb9e2ca18113c4e4f85e1cd8fe9 |
/data/user/0/com.groupsimpleam/kl.txt
| MD5 | a81c6d6e04cc266952c951fb9190c7d6 |
| SHA1 | 7405f4ce553b0accc635e317bd82af080d8bd8ae |
| SHA256 | 879000e50e6d3423b7748d285a7ec9bf47b6a9deb0bcb0494d90368189d041d6 |
| SHA512 | 23b97112dcc1ed18e6d9d533bc2c19c0db78dd5d5cd6f00882118b25a36f4a4e999330c0af05521df9c369cd056820fb886ae68b6fb17dcc61eceeac58699d02 |
/data/user/0/com.groupsimpleam/kl.txt
| MD5 | b777596ead82f5baad31690208b216d8 |
| SHA1 | 194a9f7e0ba4b993f4825a8e6fc8eca561141deb |
| SHA256 | 1e527389b14549a0e7eaf01d137b273e2b5971526b532db8b7487bbb932cf254 |
| SHA512 | e04e2c0e6fbceb1e16e123a9328abe4d3643c6334ffad63f537606bd1f7ee3ec0a60b7293ed1eebd27281cd795c0787be1600582853448024280ae4a302e11d1 |
/data/user/0/com.groupsimpleam/cache/oat/dapkrw.cur.prof
| MD5 | 92e26333ad6918ab3c6547325bdb302e |
| SHA1 | 49303e886e681f05fec821fe13a2ed2b44a06003 |
| SHA256 | 04f70457d459f120cac700d1c12807635ddab1ed6d55173eb3a028f7cb7f2f64 |
| SHA512 | ebc6b666d321d007b78897151d2cc65af23764f367841505547a305c9fecce4889abd9995f7f58bee8cebb75d3f684c18c17552c8e1aefe3e1db2e285c9b86f6 |