Analysis
- max time kernel
179s - max time network
186s - platform
android_x86 - resource
android-x86-arm-20240624-en - resource tags
- submitted
29/08/2024, 22:06
General
- Target 1db47973bca9f92224b2f5976541c967cb0b2bdff04a66a700db8201d7aa5128.apk
- Size 4.7MB
- Sample240829-1z2c6stemb
- SHA256 1db47973bca9f92224b2f5976541c967cb0b2bdff04a66a700db8201d7aa5128
Malware Config
Extracted
-
nexus
-
http://85.217.144.111/
Signatures
- Nexus
Nexus is an Android banking trojan related to the SOVA banking trojan.
- Removes its main activity from the application launcher 1 TTPs 2 IoCs
- Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
- Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
- Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
- Queries account information for other applications stored on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect account information stored on the device.
- Reads the contacts stored on the device. 1 TTPs 1 IoCs
- Acquires the wake lock 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
- Performs UI accessibility actions on behalf of the user 1 TTPs 12 IoCs
Application may abuse the accessibility service to prevent their removal.
- Queries information about active data network 1 TTPs 1 IoCs
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
- Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
- 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.
- Checks CPU information 2 TTPs 1 IoCs
- Checks memory information 2 TTPs 1 IoCs
Processes
-
com.fault.junior1⤵
- Removes its main activity from the application launcher
- Checks Android system properties for emulator presence.
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Queries account information for other applications stored on the device
- Reads the contacts stored on the device.
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about active data network
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- 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/com.fault.junior/app_DynamicOptDex/FQ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fault.junior/app_DynamicOptDex/oat/x86/FQ.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Scheduled Task/Job
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
2Suppress Application Icon
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
3System Checks
3Credential Access
Access Notifications
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
1System Network Connections Discovery
1Replay Monitor
Loading Replay Monitor...
Downloads
FQ.json
FQ.json
FQ.json.cur.prof
FQ.json.cur.prof
FQ.json.cur.prof
androidx.work.workdb
androidx.work.workdb-journal
androidx.work.workdb-shm
androidx.work.workdb-wal
androidx.work.workdb-wal
androidx.work.workdb-wal
FQ.json
FQ.json