Analysis Overview
SHA256
d5a5914de25dc220e934d8bac4323de7a5af2ca4fe60996d3acefbc3467f41e5
Threat Level: Likely malicious
The file shriek.mooing.juggle.irk.apk was found to be: Likely malicious.
Malicious Activity Summary
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)
Loads dropped Dex/Jar
Makes use of the framework's Accessibility service
Queries the phone number (MSISDN for GSM devices)
Queries the mobile country code (MCC)
Requests enabling of the accessibility settings.
Reads information about phone network operator.
Requests disabling of battery optimizations (often used to enable hiding in the background).
Declares services with permission to bind to the system
Requests dangerous framework permissions
Performs UI accessibility actions on behalf of the user
Queries information about active data network
Uses Crypto APIs (Might try to encrypt user data)
Registers a broadcast receiver at runtime (usually for listening for system events)
Schedules tasks to execute at a specified time
Checks memory information
Checks CPU information
MITRE ATT&CK
Mobile Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-12 09:16
Signatures
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 |
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows applications to use exact alarm APIs. | android.permission.SCHEDULE_EXACT_ALARM | 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 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 an application to read SMS messages. | android.permission.READ_SMS | N/A | N/A |
| Allows an app to post notifications. | android.permission.POST_NOTIFICATIONS | N/A | N/A |
| Allows an application to receive SMS messages. | android.permission.RECEIVE_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 WAP push messages. | android.permission.RECEIVE_WAP_PUSH | N/A | N/A |
| Required to be able to access the camera device. | android.permission.CAMERA | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 09:16
Reported
2024-11-12 09:17
Platform
android-x86-arm-20240624-en
Max time kernel
38s
Max time network
42s
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/shriek.mooing.juggle.irk/code_cache/decrypted.dex | N/A | N/A |
| N/A | /data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex | N/A | N/A |
| N/A | /data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex | 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 |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText | 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)
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 information about active data network
| Description | Indicator | Process | Target |
| Framework service call | android.net.IConnectivityManager.getActiveNetworkInfo | 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 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 |
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 |
Schedules tasks to execute at a specified time
| Description | Indicator | Process | Target |
| Framework service call | android.app.job.IJobScheduler.schedule | 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
shriek.mooing.juggle.irk
/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex --output-vdex-fd=47 --oat-fd=48 --oat-location=/data/data/shriek.mooing.juggle.irk/code_cache/oat/x86/decrypted.odex --compiler-filter=quicken --class-loader-context=&
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| AM | 217.144.187.226:80 | 217.144.187.226 | tcp |
| GB | 216.58.201.110:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 216.58.213.14:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | www.google.com | udp |
| GB | 142.250.187.196:443 | www.google.com | tcp |
| US | 1.1.1.1:53 | update.googleapis.com | udp |
| GB | 172.217.16.227:443 | update.googleapis.com | tcp |
| GB | 142.250.178.10:443 | semanticlocation-pa.googleapis.com | tcp |
Files
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-journal
| MD5 | b565e0b0bd708925980f487cc015faf8 |
| SHA1 | 9a65e3a2fa1e56db87d5958a6e8cbae740d71c78 |
| SHA256 | 2853f6e5d271b27a3b6f4a13392fe19493e6efc0b8f3470e37b1438f0c750eb2 |
| SHA512 | 5e8e3ebcf4c9fbcd549204ed96779285439712cdb66f744d5a455b7021b2f45480673204a7d33cef87e7bfc59a8b6b21b693863772dc78069037086367df258d |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb
| MD5 | 5d672fc117cd0984d4fa842123e84875 |
| SHA1 | 638ee961947eae211eeb1bf4d20e764c8b037643 |
| SHA256 | cdb2ed63e61f774434d03ad5fef3472f978239db05d63b1611e002036e40cd1b |
| SHA512 | e06530340f62602011ae07fe8ecd6c86b2df983d959dae0dd51dfec72ddb5c384dfc41bbaafd3d427c6563ab8e583e6c7b17b3ce1e882f2740cb07bdeed2accd |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-shm
| MD5 | bb7df04e1b0a2570657527a7e108ae23 |
| SHA1 | 5188431849b4613152fd7bdba6a3ff0a4fd6424b |
| SHA256 | c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479 |
| SHA512 | 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012 |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-wal
| MD5 | 7da8fe22825b5478a842be2ef1327fb8 |
| SHA1 | d99280083f638321f547ecd4d8e5614bdd58887c |
| SHA256 | 7cd1505843dc78648821f49a4c9e93b806a62c3772977ea17fee5da3c0a7e355 |
| SHA512 | f39b52b7c61c931757830f1f84ffc1d4ffd7233e513107efee7fc1b641a13a5efd1124e22d702896a086f1df2419b0cb18846ae6f77d55c40c47a6afd7cd0603 |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-wal
| MD5 | 02e26b16b7aa2d1e093af2fa5c4fc1ae |
| SHA1 | 3c30338885569dbd12599604cc9c6467664c0e08 |
| SHA256 | a994dcc3438c7366101e4b46add5ee74e9d073b86fa4debe8fbe451f3a57506d |
| SHA512 | 4bc00bf393ddefce1b2befc7960de5daf4d771c0917ea1252198e3545cc8074c57769bf2b89e9d2a3a77d9dbef5237e85b58542df7d2f0e26e67d6c503c66d88 |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-wal
| MD5 | 2d13bee8cfafd969a220384dae4c5bfc |
| SHA1 | 4e40d4eac7dd13f5b04ef343f503b5f1ec2b9eaf |
| SHA256 | b57715f2cee1111db0d5ade7a567fc6b7087b1ce36947295b35477b8d0dd53aa |
| SHA512 | 53ad6b72bd0cde97cc189f330b1918d4e045e8327344bd8c66c433ba860afa1d5e2d416f32474c340263327cf30b3406f55b7207f1b01df50b84bffa037943c9 |
/data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex
| MD5 | fd3fb1759e2f5eaba8d44dd31f9e5ccf |
| SHA1 | adc257ff4df7466cd3ce1900314fc8919dc8a670 |
| SHA256 | 92ac568ddfb0b89bb1d67657ad9cec2e071a361f8c28630bb81cddfa1865c1d3 |
| SHA512 | 9a50d88c750a76f621032dfacf674953551589b3388db6d4e270529c96e52f3a0ace12dd4a9e1eb9bccafca53fae2e4e9fa5e46d5da8ed6868b0ed452bcccca5 |
/data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex
| MD5 | 80a50796301291a5f17488fbcf787826 |
| SHA1 | bd7a63f5c263b5c8dc8402125e8102a6a0929a0e |
| SHA256 | 4cc3dedba47978209cee6280f823a9c6f7a4ac551dad834442cedd981c4540e8 |
| SHA512 | 103ecbfa388306d9023154e3f5542a9dec1e650e758afcdc225f670532f51d975646acd6b08843615f82abcd2ae72873133ef0f7d7fd0ea8070ed9dbba98d0a3 |
/data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex
| MD5 | df5bc5c3b24029a53ee6f11c3f15b383 |
| SHA1 | c7bbad9b54f6ab25d94350c8fb54ef9f757b3d0c |
| SHA256 | 082cd0ec0c71c3536db53f3e1a2631bf1d34ce12f7c453525b84f66b7f25d3f4 |
| SHA512 | f0c8da2b22bab6eb738b9a4909d0b6fb743f9dcdc8d2a92261b22ca6fca49e57275006855bcfa1a1b7c8e1318a5353ead7e332b6400e42defb2c2c8d4e7908bb |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 09:16
Reported
2024-11-12 09:19
Platform
android-x64-arm64-20240624-en
Max time kernel
5s
Max time network
134s
Command Line
Signatures
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex | N/A | N/A |
| N/A | /data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex | N/A | N/A |
Processes
shriek.mooing.juggle.irk
Network
| Country | Destination | Domain | Proto |
| GB | 142.250.180.14:443 | tcp | |
| GB | 142.250.180.14:443 | tcp | |
| GB | 142.250.180.14:443 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 216.58.212.206:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 142.250.200.40:443 | ssl.google-analytics.com | tcp |
| GB | 142.250.200.36:443 | tcp | |
| GB | 142.250.200.36:443 | tcp |
Files
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-journal
| MD5 | 74520e81b04e76b55aed34031e252ed2 |
| SHA1 | 683b1dea7720664f45b47d21180dbd70f4d1e0f7 |
| SHA256 | eb99c05f8d7b5fe88720948f4588d2cd628802023992ac887d85a3260444783d |
| SHA512 | a271b0fe8fec01d57a6ba536ef15ebca750911da14fbc110aaa1a7682acc07d7da04cdb3b572d4ec1b52c7b2991d7b221369e90d5813921a73a7007bcc4f8bb0 |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb
| MD5 | 7e858c4054eb00fcddc653a04e5cd1c6 |
| SHA1 | 2e056bf31a8d78df136f02a62afeeca77f4faccf |
| SHA256 | 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad |
| SHA512 | d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-shm
| MD5 | bb7df04e1b0a2570657527a7e108ae23 |
| SHA1 | 5188431849b4613152fd7bdba6a3ff0a4fd6424b |
| SHA256 | c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479 |
| SHA512 | 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012 |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-wal
| MD5 | 34acced45c339575795a78279d5c08d1 |
| SHA1 | c1f8e2a382d9e8ba254489b11612969624feac08 |
| SHA256 | 83e1b23016c6aae14c824875092c0dbc73259b2b24a2a0b34f099f23894f80f9 |
| SHA512 | 6d862b65a0bebff1a96d4af45178e14694254e34f693c75880636ffd4381c068d8731ff37101631146fe46677b75181d7313e6913e399fffc198af5262ca36d8 |
/data/data/shriek.mooing.juggle.irk/no_backup/androidx.work.workdb-wal
| MD5 | 7246c54b65128f708da216a07326a5cf |
| SHA1 | e788b30d722b65fee83aabc25432f338168d1d42 |
| SHA256 | 42753cf11e26dbd088fbf280c0089ccf92e9800896cbfe4c8c7de6ffc8aefb4e |
| SHA512 | 9ffea36786579e5f3f08abb4ccc932544e9e397783d632c3db8bbbe1ede3235d9c0b062ac12e0d26216d8071ebde3d94a69f522c0df846a9696e98febc19e8c9 |
/data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex
| MD5 | fd3fb1759e2f5eaba8d44dd31f9e5ccf |
| SHA1 | adc257ff4df7466cd3ce1900314fc8919dc8a670 |
| SHA256 | 92ac568ddfb0b89bb1d67657ad9cec2e071a361f8c28630bb81cddfa1865c1d3 |
| SHA512 | 9a50d88c750a76f621032dfacf674953551589b3388db6d4e270529c96e52f3a0ace12dd4a9e1eb9bccafca53fae2e4e9fa5e46d5da8ed6868b0ed452bcccca5 |
/data/data/shriek.mooing.juggle.irk/code_cache/decrypted.dex
| MD5 | 80a50796301291a5f17488fbcf787826 |
| SHA1 | bd7a63f5c263b5c8dc8402125e8102a6a0929a0e |
| SHA256 | 4cc3dedba47978209cee6280f823a9c6f7a4ac551dad834442cedd981c4540e8 |
| SHA512 | 103ecbfa388306d9023154e3f5542a9dec1e650e758afcdc225f670532f51d975646acd6b08843615f82abcd2ae72873133ef0f7d7fd0ea8070ed9dbba98d0a3 |