Analysis
- user interaction
yes - max time kernel
148s - max time network
750s - platform
android-9_x86 - resource
android-x86-arm-20260325-en - resource tags
- submitted
14/08/2026, 23:22
General
- Target base.apk
- Size 48.0MB
- Sample260814-3cte6atepg
- SHA256 e86f4c8752be0aa54b79fd974b76e005e1a17815cdbdcd3653a148ab8a437d6f
Malware Config
Signatures
- Checks if the Android device is rooted. 1 TTPs 2 IoCs
- Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
- Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
- Acquires the wake lock 1 IoCs
- Queries information about active data network 1 TTPs 1 IoCs
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- Reads information about phone network operator. 1 TTPs
- Checks the presence of a debugger
- Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
- Enumerates files in the device's shared storage. 1 TTPs 1 IoCs
Queries the system media store to list files across shared storage, letting the app discover what documents and media are present without opening them.
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
- Schedules tasks to execute at a specified time 1 TTPs 1 IoCs
Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
- Checks CPU information 2 TTPs 1 IoCs
- Checks memory information 2 TTPs 1 IoCs
Processes
-
voicechanger.voiceeffects.soundeffects.voiceavatar1⤵
- Checks if the Android device is rooted.
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Acquires the wake lock
- Queries information about active data network
- Queries the mobile country code (MCC)
- Listens for changes in the sensor environment (might be used to detect emulation)
- Enumerates files in the device's shared storage.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
-
/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/user/0/voicechanger.voiceeffects.soundeffects.voiceavatar/files/classes.dex --output-vdex-fd=163 --oat-fd=164 --oat-location=/data/user/0/voicechanger.voiceeffects.soundeffects.voiceavatar/files/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
Network
MITRE ATT&CK Mobile v16
Persistence
Event Triggered Execution
1Broadcast Receivers
1Scheduled Task/Job
1Defense Evasion
Download New Code at Runtime
1Hide Artifacts
1User Evasion
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
1785301552478.jar
com.google.android.datatransport.events
com.google.android.datatransport.events-journal
com.google.android.datatransport.events-shm
com.google.android.datatransport.events-wal
effectaudio-db-journal
effectaudio-db-wal
google_app_measurement_local.db
google_app_measurement_local.db
google_app_measurement_local.db
google_app_measurement_local.db
google_app_measurement_local.db
google_app_measurement_local.db
google_app_measurement_local.db-journal
google_app_measurement_local.db-wal
google_app_measurement_local.db-wal
google_app_measurement_local.db-wal
google_app_measurement_local.db-wal
google_app_measurement_local.db-wal
google_app_measurement_local.db-wal
com.crashlytics.settings.json
event0000000000
internal-keys
report
userlog
userlog.tmp
PersistedInstallation4668677373414247794tmp
PersistedInstallation697086197785809486tmp
classes.dex
firebase_session_dm9pY2VjaGFuZ2VyLnZvaWNlZWZmZWN0cy5zb3VuZGVmZmVjdHMudm9pY2VhdmF0YXI=_data.preferences_pb.tmp
firebase_session_dm9pY2VjaGFuZ2VyLnZvaWNlZWZmZWN0cy5zb3VuZGVmZmVjdHMudm9pY2VhdmF0YXI=_settings.preferences_pb.tmp
firebase_session_dm9pY2VjaGFuZ2VyLnZvaWNlZWZmZWN0cy5zb3VuZGVmZmVjdHMudm9pY2VhdmF0YXI=_settings.preferences_pb.tmp
firebase_session_dm9pY2VjaGFuZ2VyLnZvaWNlZWZmZWN0cy5zb3VuZGVmZmVjdHMudm9pY2VhdmF0YXI=_settings.preferences_pb.tmp
firebase_session_dm9pY2VjaGFuZ2VyLnZvaWNlZWZmZWN0cy5zb3VuZGVmZmVjdHMudm9pY2VhdmF0YXI=_settings.preferences_pb.tmp
firebase_session_dm9pY2VjaGFuZ2VyLnZvaWNlZWZmZWN0cy5zb3VuZGVmZmVjdHMudm9pY2VhdmF0YXI=_settings.preferences_pb.tmp
google_mobile_ads_flags.pb.tmp
google_mobile_ads_flags.pb.tmp
google_mobile_ads_inspector_settings.pb.tmp
google_mobile_ads_sdk_core.pb.tmp
classes.dex.cur.prof
androidx.work.workdb-journal
androidx.work.workdb-wal
androidx.work.workdb-wal
classes.dex