Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    android_x86
  • resource
    android-x86-arm-20231215-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20231215-enlocale:en-usos:android-9-x86system
  • submitted
    19-01-2024 10:03

General

  • Target

    67566e6554dc10d6d3f043a80bed57bf.apk

  • Size

    3.1MB

  • MD5

    67566e6554dc10d6d3f043a80bed57bf

  • SHA1

    1cfe27325f5860d304163eba7ed57f26a64a1c8a

  • SHA256

    0c71f0d68606997d53086b5e7149b2ade9db3cff22969f518e7694ecad4eda18

  • SHA512

    d47064c757a6bbf80bb59fb429f1cb34042bdc64ccf4f69273137e75f0c08a5ace39571cc8c6fe727d6c6e6c8c37303d3cf82f33fe2bbe9b820ed6d3dfc0656b

  • SSDEEP

    49152:dMPkOWjsJTBVAnZ7Yc0UavlSLz+Cq1z6SYsQ97MqKJ2WhOhzOXNwskZRyFc1KEOS:dM0yQZU5Sex68QLKSyOsccQ/O0A78Go

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

  • FluBot payload 2 IoCs
  • Makes use of the framework's Accessibility service 1 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Creates a large amount of network flows 1 TTPs

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

  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.qq.reader
    1⤵
    • Makes use of the framework's Accessibility service
    • Loads dropped Dex/Jar
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4202
    • /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.qq.reader/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.qq.reader/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4259

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.qq.reader/code_cache/secondary-dexes/tmp-base.apk.classes7976337254737458766.zip

    Filesize

    521KB

    MD5

    55bbf380d6a2e5b52af95ce291165543

    SHA1

    95588b938389c9db5accee4454d5a1e689816e98

    SHA256

    c0b93014b18baa719217b3df595847139af8cf86ee65045f5eb5c052266bbd83

    SHA512

    efaa51c73b4c4afc40861a465c129c100abb4c9a7e15de81a4a9ac4fcba88377d474947e385ae0ae914d224618402c261acad418ccadddd1354e93b4dee27263

  • /data/user/0/com.qq.reader/code_cache/secondary-dexes/base.apk.classes1.zip

    Filesize

    2.4MB

    MD5

    11609be216b5d68538c43ea3d208dc48

    SHA1

    9bcd69847267acf0680158e153b2b398a8194fc5

    SHA256

    7344566ccd256686f2bbf40a97b441a4c89e6ef21fefc2c761002c6751213d23

    SHA512

    ef9ab1cda639eb692bc10298bb6ff6a71262da8caa579f9aa1176cbc03047714d821d6faeda25f0c4d57a2ea4edd4385126bf815133fc73f8f62de42c52c40c5

  • /data/user/0/com.qq.reader/code_cache/secondary-dexes/base.apk.classes1.zip

    Filesize

    2.4MB

    MD5

    aa09de680eec3e37e520f9cc99f6df4f

    SHA1

    6415fe1e6ef75360667bdf406bbbb484610c6dd2

    SHA256

    47d7a2d9acdc4c87289d90c63f25ecda1ce272fd81a397af6953618e40114502

    SHA512

    3ccc85be780b5558d0d0d3e4d92b2c3a95399b89ceef5eea37f5479f4ed890adbc4b4c7bd07d16eea8aa37759c5538a225d1239b55adafeb99fe8e8e9d7be404