Analysis

  • max time kernel
    29s
  • max time network
    28s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20250619-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20250619-enlocale:en-usos:android-9-x86system
  • submitted
    30/07/2025, 15:36

General

  • Target
    a68020ae788799ed8a846b9b518899664457879b182a5c90ff2654724e1f3662.apk
  • Size 6.9MB
  • Sample250730-s18vmsbk6s
  • SHA256 a68020ae788799ed8a846b9b518899664457879b182a5c90ff2654724e1f3662
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • spynote

C2
  • 194.87.31.51:7744

Signatures

  • Spynote

    Spynote is a Remote Access Trojan first seen in 2017.

  • Spynote family
  • Spynote payload 2 IoCs
  • Removes its main activity from the application launcher 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 3 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
  • Acquires the wake lock 1 IoCs
  • 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 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • 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.

Processes

  • trusted.faces.metres
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • 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
    PID:4210
    • /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/trusted.faces.metres/app_DynamicOptDex/bUkc.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/trusted.faces.metres/app_DynamicOptDex/oat/x86/bUkc.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4280

Network

        MITRE ATT&CK Mobile v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        bUkc.json

        • Path /data/data/trusted.faces.metres/app_DynamicOptDex/bUkc.json
        • Size 3.2MB
        • SHA256 490e3ec23306e9ad7d09f5b7f74bd3227da885ce52cf4372bf546966ff8a863e
        • MD5 SHA1 SHA512 SSDEEP

        bUkc.json

        • Path /data/data/trusted.faces.metres/app_DynamicOptDex/bUkc.json
        • Size 3.2MB
        • SHA256 d2f2f5c5a92bcb861c064b5591a65b7e45e951e9f125750929b9b3d93352c5c8
        • MD5 SHA1 SHA512 SSDEEP

        bUkc.json

        • Path /data/user/0/trusted.faces.metres/app_DynamicOptDex/bUkc.json
        • Size 7.0MB
        • SHA256 47f09a315a55cc4d156b2e9f4651a9e095d56fc26eec24c2b78c78a59b24c3d5
        • MD5 SHA1 SHA512 SSDEEP

        bUkc.json

        • Path /data/user/0/trusted.faces.metres/app_DynamicOptDex/bUkc.json
        • Size 7.0MB
        • SHA256 2b2d42b09280444261973a383c6cdabd7ea2652728bb8affe783349457526201
        • MD5 SHA1 SHA512 SSDEEP

        log-2025-07-30.txt

        • Path /storage/emulated/0/Config/sys/apps/log/log-2025-07-30.txt
        • Size 284B
        • SHA256 2235de98db49a1551bfd223f143807c17d4efcc580684037db1b1359236608dc
        • MD5 SHA1 SHA512

        log-2025-07-30.txt

        • Path /storage/emulated/0/Config/sys/apps/log/log-2025-07-30.txt
        • Size 33B
        • SHA256 86efb97899a7e39664ee24eff0ac43c6b431cb4b58687444dc55787fb780b306
        • MD5 SHA1 SHA512

        log-2025-07-30.txt

        • Path /storage/emulated/0/Config/sys/apps/log/log-2025-07-30.txt
        • Size 41B
        • SHA256 2d0280e44f862e89155b91711d6cc99708ec5d1daccee1654371aabd66ca634d
        • MD5 SHA1 SHA512

        log-2025-07-30.txt

        • Path /storage/emulated/0/Config/sys/apps/log/log-2025-07-30.txt
        • Size 25B
        • SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
        • MD5 SHA1 SHA512