Analysis

  • max time kernel
    4051200s
  • 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
    31-12-2023 09:12

General

  • Target

    305c6ef783ba3db66c8b3262d0ad26d6.apk

  • Size

    3.3MB

  • MD5

    305c6ef783ba3db66c8b3262d0ad26d6

  • SHA1

    efd066effa3bfea6c04521a1b32c417f9d19ed34

  • SHA256

    dcfe4d8c0265186f24f56cb774f0087cfde3d46fc0d31a7edf7e036a2006513d

  • SHA512

    b625d6838cd10bb75cf4e25e97e98c3bbbbdf51c020a085ba140dd036994c1f6661efab53b4dbfd42e77f52eee11200537e8f87b851509640ac09886792e5a03

  • SSDEEP

    49152:q77+QbVwYD57Qyr5nsqNz+yBcvPDCkUHXCKgNwVQX3pUyN7AYpDMaSwXZ4coH:qX+AD57QyrKZOcDrjGVzyZAWRS+Zm

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 3 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.

  • 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:4259
    • /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.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4289

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.tencent.qqmusic/code_cache/secondary-dexes/tmp-base.apk.classes1264635647365507003.zip

    Filesize

    340KB

    MD5

    6837e08695802c37e80b802a242b581d

    SHA1

    ce6a44474694b373a0345c979e5a71c6d3cba069

    SHA256

    b1248f0e05bcf4442694d1affaa3673953b3455a9144291275df5b7aad85bd53

    SHA512

    50911f22648e37b2f49d093bbc450a61e2f10b97a5de2e83292266ecb142e4ad423abe342df0cfdd141d365c4294be042b35413dfd513f73ad10a08158922443

  • /data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip

    Filesize

    2.4MB

    MD5

    0e02c8e87758a60b64bbaf52bc7cad54

    SHA1

    0910148be80155d459ec576d12b76e0411713c2a

    SHA256

    0b81e5c25b989cae35a65962a71f2f6e64f947d26b545aa9516ab1ed0d9a6cc4

    SHA512

    61af9a04e7d09a810daf4d1581501037b244ad06d36d2d081388888503129584f9cd11c63fd9003940b353937f1a8f0b4c9ef6cb7cf774f11b7dc29348219959

  • /data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip

    Filesize

    2.4MB

    MD5

    8c1e1e8fd268c6ef44c8e8d77f590f25

    SHA1

    12ce51dd7ab27c0a202bb85c95b441b2f90970bb

    SHA256

    2047fe3136788eb566b1057d5aff87d91f337d16566e0c28f67c381c2f10d014

    SHA512

    c6999e0b2a4c055b203dc9212f2c89659a6e689262438896d9ef2e895fb27175dabced1368b3b6c748a4b17eb5395673ddd9eba0021b994ecd4c2c14040a43db