Analysis

  • max time kernel
    3341861s
  • max time network
    165s
  • platform
    android_x64
  • resource
    android-x64-arm64-20231215-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20231215-enlocale:en-usos:android-11-x64system
  • submitted
    31/12/2023, 02:21

General

  • Target
    2455e88ae54546cea448f901dd8127da.apk
  • Size 3.3MB
  • Sample231231-ctbnkaedhm
  • SHA256 44ea6e68941e2f3716ecaa178775d5e81008edc7a969d40c90baf85a862a7a57
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

  • FluBot payload 1 IoCs
  • Makes use of the framework's Accessibility service 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Loads dropped Dex/Jar 1 IoCs

    Runs executable file dropped to the device during analysis.

  • Requests enabling of the accessibility settings. 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.tencent.qqmusic
    1⤵
    • Makes use of the framework's Accessibility service
    • Loads dropped Dex/Jar
    • Requests enabling of the accessibility settings.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4526

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        base.apk.classes1.zip

        • Path /data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip
        • Size 2.4MB
        • SHA256 2047fe3136788eb566b1057d5aff87d91f337d16566e0c28f67c381c2f10d014
        • MD5 SHA1 SHA512 SSDEEP

        tmp-base.apk.classes880642853545950237.zip

        • Path /data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/tmp-base.apk.classes880642853545950237.zip
        • Size 878KB
        • SHA256 33d7dd9ef3d7a3d8e4c8811b2eedf137064085db841d7eaf60b944333c042ace
        • MD5 SHA1 SHA512 SSDEEP