Analysis Overview
SHA256
ae502f67782e9cc2a6e33b868f14467f3dabf126e868a8e10a68aa2ddd4092e1
Threat Level: Known bad
The file ad778bfe6c0181150b911cae0e337c34.apk was found to be: Known bad.
Malicious Activity Summary
Ermac family
Ermac2 payload
Makes use of the framework's Accessibility service
Registers a broadcast receiver at runtime (usually for listening for system events)
Queries the phone number (MSISDN for GSM devices)
Loads dropped Dex/Jar
Requests enabling of the accessibility settings.
Queries the mobile country code (MCC)
Queries information about the current Wi-Fi connection
Makes use of the framework's foreground persistence service
Reads information about phone network operator.
Declares broadcast receivers with permission to handle system events
Declares services with permission to bind to the system
Requests dangerous framework permissions
Acquires the wake lock
Requests disabling of battery optimizations (often used to enable hiding in the background).
Uses Crypto APIs (Might try to encrypt user data)
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-05-02 00:49
Signatures
Ermac family
Ermac2 payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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 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 |
| Required by accessibility services to bind with the system. Allows apps to access accessibility features. | android.permission.BIND_ACCESSIBILITY_SERVICE | N/A | N/A |
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Required to be able to access the camera device. | android.permission.CAMERA | 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 from external storage. | android.permission.READ_EXTERNAL_STORAGE | 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 receive SMS messages. | android.permission.RECEIVE_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 read access to the device's phone number(s). | android.permission.READ_PHONE_NUMBERS | 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 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 access approximate location. | android.permission.ACCESS_COARSE_LOCATION | N/A | N/A |
| Allows an application to read the user's contacts data. | android.permission.READ_CONTACTS | N/A | N/A |
| Allows an application to write the user's contacts data. | android.permission.WRITE_CONTACTS | N/A | N/A |
| Allows access to the list of accounts in the Accounts Service. | android.permission.GET_ACCOUNTS | 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 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-02 00:49
Reported
2024-05-02 00:51
Platform
android-x64-20240221-en
Max time kernel
4s
Max time network
157s
Command Line
Signatures
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | 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 |
Processes
com.rekezapayojekubu.kebi
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 | 216.58.204.72:443 | ssl.google-analytics.com | tcp |
| GB | 142.250.178.14:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.200.14:443 | android.apis.google.com | tcp |
| GB | 216.58.204.68:443 | tcp | |
| US | 1.1.1.1:53 | www.google.com | udp |
| GB | 172.217.169.36:443 | www.google.com | tcp |
| GB | 142.250.187.238:443 | tcp | |
| GB | 142.250.200.2:443 | tcp |
Files
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-journal
| MD5 | 5c0eb3dcd914cd6b4fa6a1e7344d3492 |
| SHA1 | ad9d22299606f7642f687d456310308a1adcbe83 |
| SHA256 | f136ef3cb2e300a975d1906c5a122df325138bf54062cf753cc0437303cd8af1 |
| SHA512 | ea10625fbbb88fcea3a80adeaa293abb1ae25281edb6e0ac28291aaeea59450f667f1ba33242356bd8b30b14e1fd0c04434091fd483df2632a430dd666a251e9 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb
| MD5 | f2b4b0190b9f384ca885f0c8c9b14700 |
| SHA1 | 934ff2646757b5b6e7f20f6a0aa76c7f995d9361 |
| SHA256 | 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514 |
| SHA512 | ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-shm
| MD5 | bb7df04e1b0a2570657527a7e108ae23 |
| SHA1 | 5188431849b4613152fd7bdba6a3ff0a4fd6424b |
| SHA256 | c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479 |
| SHA512 | 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | 3b6f8a03f501961bb21f352189809648 |
| SHA1 | 18373bc73fc997fe85e60b0a2736b8e89a2093db |
| SHA256 | 1775eca00f7074e1adb9cb63e3654d914ffbf0a57692808c556fa9a5169c513e |
| SHA512 | ba90b756bbead3a720e3059737e33db7fe2ac013f4837a7dd72f53efc7c5a793117245cf3e9d53cf8b477ae7a7b05b5dbdd525f703908a818fa90f574135a422 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | b0c40c4b1c1f30051fb20dd4a154d223 |
| SHA1 | 9ee66b8306f92278cc7357dc88a8f2dfe47de605 |
| SHA256 | be646643fd7224f8c9e706d33b407747decc4032cac035323ff88d115854d116 |
| SHA512 | 4da7647b1ae0c7843e5e67be0f789f918297d2075e9ef3d208f6360e1d7f3cebbaee4eb0efa1835f05b1fbea65f85bfca7c11d00b6ea841b10aec2efa6f76b95 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | 687d5d5bae480fdbbb9c24ce88e7abb9 |
| SHA1 | bc834e55c98f30247294c83e0b4478d7cd17aaea |
| SHA256 | 4ac06da43c86f4be4a262e635ad0e1868e7b8e80930d39025d4ec6a0216956e6 |
| SHA512 | 58d1b0ce30846f39ac460cca84a846d4335397492fb3028d05fbf40777a3f7959f59429bd5a01bc7c8b4058ec0801f1d144cb2767880d9fe076b72cc1a134862 |
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-02 00:49
Reported
2024-05-02 00:51
Platform
android-x64-arm64-20240221-en
Max time kernel
111s
Max time network
158s
Command Line
Signatures
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.findAccessibilityNodeInfosByText | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /system_ext/framework/androidx.window.sidecar.jar | N/A | N/A |
| N/A | /system_ext/framework/androidx.window.sidecar.jar | 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 the current Wi-Fi connection
| Description | Indicator | Process | Target |
| Framework service call | android.net.wifi.IWifiManager.getConnectionInfo | 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 phone number (MSISDN for GSM devices)
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 |
Reads information about phone network operator.
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.rekezapayojekubu.kebi
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 216.58.212.238:443 | udp | |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.200.14:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 216.58.201.104:443 | ssl.google-analytics.com | tcp |
| US | 1.1.1.1:53 | null | udp |
| GB | 172.217.169.4:443 | tcp | |
| GB | 172.217.169.4:443 | tcp |
Files
/system_ext/framework/androidx.window.sidecar.jar
| MD5 | bdf3529e80318eb14e53a5bf3720c10d |
| SHA1 | 25c9ace4b1af6e80ebb2572345972c56505969ba |
| SHA256 | bbc8300dd1e9cd08de8f66560c1ac2c928615b72b51cef9649f88974f586d64b |
| SHA512 | 48b9c2d01171bb651b9b54826baa51f4add48431a3efd8ceb5f7cc3bcd6f8f37edf47fabb24349dd15b3a02329cd450f90a8d164bf4f8dfae554bf3b35a8a55b |
/data/user/0/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-journal
| MD5 | 10d936483c54fe634083e4d28c502576 |
| SHA1 | 96b775266dc2167cffe92e2bfb32efa255eb5e8e |
| SHA256 | ea4a4617c8ffa322c05457a73b0535c7395e13eb502d49d7c6aa3ea778252b89 |
| SHA512 | c57284a72409e723894d6b77f27024e5415921a96caf2f5fe3f2b26ed0857bcadea39dad038d4eee414b1e2eee6def8c9f21fcd8a1d10050a2908918fb9601e4 |
/data/user/0/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb
| MD5 | 7e858c4054eb00fcddc653a04e5cd1c6 |
| SHA1 | 2e056bf31a8d78df136f02a62afeeca77f4faccf |
| SHA256 | 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad |
| SHA512 | d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb |
/data/user/0/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-shm
| MD5 | bb7df04e1b0a2570657527a7e108ae23 |
| SHA1 | 5188431849b4613152fd7bdba6a3ff0a4fd6424b |
| SHA256 | c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479 |
| SHA512 | 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012 |
/data/user/0/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | 9d0e52e171fc653685881ee8b3b9f5c8 |
| SHA1 | 627c5721d104c5d72a51f5fcf6a578970ae8ab6b |
| SHA256 | 55e9d925b1c722cb57e037464ab9ad8715f7ffd7cdac35fd434a1549741d9f0c |
| SHA512 | 15b4ed836f06e07bc4949ba39fca1822c140e7e5abc9ff5171483c917f0503eb68e586f871d2e533e65ad579ea2a2cd47acbb42f33fa93092e98d84674c333f0 |
/data/user/0/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | 74053ed567b29dbd98adcebfc594cf10 |
| SHA1 | 9888f268141b0a4bf1e5af89a6cbd49fde998fc7 |
| SHA256 | 4769d13ee84630fd1d4d1a85cb6de0e1ea899fb191e1bb96a5a352cccbec1b4a |
| SHA512 | 98201075cc8c792c6d49fb63eec6c573f392be9c53a7343f0896694fdd3a9a0f605e3ff86c6100bc7c6f40d1f7224556540272fce76616e86dfcac064de8daca |
/data/user/0/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | a1d694a328c2ee043246b1d94bb41b9e |
| SHA1 | 1804c28e3291f2b3a976fbaea88cb1df4785f483 |
| SHA256 | f256712c652a9d0d34f4ee03ecdad365793639c6a6c217699bac3d1b5faf5ad3 |
| SHA512 | 7a97d70cd6094c4eb78527f41cc9f1de728f76d33c0413f02f6914bc7227b19725a4257d82bec5282acb11e20c27537ba3238c7451a9a990a0e19b20abaa3106 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-02 00:49
Reported
2024-05-02 00:51
Platform
android-x86-arm-20240221-en
Max time kernel
150s
Max time network
131s
Command Line
Signatures
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.findAccessibilityNodeInfosByText | 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 the current Wi-Fi connection
| Description | Indicator | Process | Target |
| Framework service call | android.net.wifi.IWifiManager.getConnectionInfo | 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 |
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 |
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 |
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.rekezapayojekubu.kebi
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 | null | udp |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.178.14:443 | android.apis.google.com | tcp |
Files
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-journal
| MD5 | c3480221554ce4652e8643eb0c085632 |
| SHA1 | d1269b4c12f6f76fb60bdcebf96e21e5d607ba0a |
| SHA256 | 76835cfc33bc1f95362f32a39f2a101c3a8f371cc65c9d8dbe70a9850e6235f2 |
| SHA512 | bf119e280b33ad73b8c2588ccbda0ea0124c737999ca49d3ae5c2a787dac735f42cee5a03115fdd58c920d1f4ab66713a9c19345bd7a880a0ba9cf251d769e72 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb
| MD5 | f2b4b0190b9f384ca885f0c8c9b14700 |
| SHA1 | 934ff2646757b5b6e7f20f6a0aa76c7f995d9361 |
| SHA256 | 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514 |
| SHA512 | ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-shm
| MD5 | bb7df04e1b0a2570657527a7e108ae23 |
| SHA1 | 5188431849b4613152fd7bdba6a3ff0a4fd6424b |
| SHA256 | c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479 |
| SHA512 | 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | 906286dd108566662af2608641057eaf |
| SHA1 | 3a72309e7968b94b47ad1ac5786064940be91efb |
| SHA256 | e9140cba19ea5da0d765c15e83a14d03d50e4e2fbc4e565c288586ea4de3b193 |
| SHA512 | 881b8749d2abf207d26b7aa4f9578b6a1d273991d6b30d456c70492396f02c1b7f1366d3e260b8062ab13ea28b83b52ed0dd4d6673734de7511289916970191b |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | 7b39ac47d5f8488104f9a4af37b43927 |
| SHA1 | 5ccdfbae136a5d6648cf07043604e29cd46d4d9e |
| SHA256 | 32fde823f8df7991188ea89b071c0a4b2cd0fe7e5cb54ec64b184e5c4e0351e3 |
| SHA512 | 3d713828ce16ae8a42d734104d634cecc19a43be52ae0be5fca14b9d71967102d072f1db5e46d47ccb29871476826f9ce80ea690014e908ff497fe2ef31eec19 |
/data/data/com.rekezapayojekubu.kebi/no_backup/androidx.work.workdb-wal
| MD5 | 56e1348c643b4d5fffe1f3c63306a873 |
| SHA1 | 2c86b67ce8955806c0757cf36a1101b26394a982 |
| SHA256 | e39d1058ab241a92f8f0e6adc5ebf19c06c10fab81bbdcfc569f8df82f30426f |
| SHA512 | d39190af11302c898158635f862c9382038a84a253734e1a9973cda9c845ebda3ea3106e1c2b7b57ac43819571b1ae5ab37c46910959f8f3cf76a4a371c76592 |