Analysis

  • max time kernel
    179s
  • max time network
    187s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    29/08/2024, 22:06

General

  • Target
    1db47973bca9f92224b2f5976541c967cb0b2bdff04a66a700db8201d7aa5128.apk
  • Size 4.7MB
  • Sample240829-1z2c6stemb
  • SHA256 1db47973bca9f92224b2f5976541c967cb0b2bdff04a66a700db8201d7aa5128
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nexus

C2
  • http://85.217.144.111/

Signatures

  • Nexus

    Nexus is an Android banking trojan related to the SOVA banking trojan.

  • Loads dropped Dex/Jar 1 TTPs 1 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.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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 6 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
  • 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.junior
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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)
    • 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
    PID:5066

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        FQ.json

        • Path /data/data/com.fault.junior/app_DynamicOptDex/FQ.json
        • Size 2.2MB
        • SHA256 13add8de3f6a709080a26836cf66d54d32d2dd9d125105d2722d5ee13969ebab
        • MD5 SHA1 SHA512 SSDEEP

        FQ.json

        • Path /data/data/com.fault.junior/app_DynamicOptDex/FQ.json
        • Size 2.2MB
        • SHA256 3a636e0b6cd67e825fd07d0503e850a25cdaea5b89ae1a24282b8f97e5341660
        • MD5 SHA1 SHA512 SSDEEP

        FQ.json.cur.prof

        • Path /data/data/com.fault.junior/app_DynamicOptDex/oat/FQ.json.cur.prof
        • Size 4KB
        • SHA256 e5309cd5e07c340dd8f6ed4d85b07902a3e6a4c8f65aaec5374144fb6d6c4969
        • MD5 SHA1 SHA512 SSDEEP

        FQ.json.cur.prof

        • Path /data/data/com.fault.junior/app_DynamicOptDex/oat/FQ.json.cur.prof
        • Size 5KB
        • SHA256 1118113405e6c36bbec9e3aa829177014fe3655fc5eee0495927d58294644681
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

        • Path /data/data/com.fault.junior/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/com.fault.junior/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 9136d1a3917a7bdaf23b1267e7be3ff6d87034c87d1cad7d0b1d6dc56811dd43
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

        • Path /data/data/com.fault.junior/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.fault.junior/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 82b20112398b15f36356628952d54acd0c7e03de4fe516062fe8edb8e7057a7f
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.fault.junior/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 d3f3e89c2222602e343db74c5b06faeba68961b36685344229719292f5b22b56
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.fault.junior/no_backup/androidx.work.workdb-wal
        • Size 229KB
        • SHA256 9d5a0ec87b0ad9c0d220e6ef1119ce080af55eee95939b3ced5b930f4b51416e
        • MD5 SHA1 SHA512 SSDEEP

        FQ.json

        • Path /data/user/0/com.fault.junior/app_DynamicOptDex/FQ.json
        • Size 6.1MB
        • SHA256 36b8ad0bbf2458fdae9743cb87a2c9dbcef990581c90fba7566ebe414c31e210
        • MD5 SHA1 SHA512 SSDEEP