Analysis

  • max time kernel
    1842871s
  • max time network
    151s
  • platform
    android_x86
  • resource
    android-x86-arm-20220310-en
  • submitted
    16-06-2022 18:46

General

  • Target

    eb446a816c77cab326d2fe91fb9b3dd3e5be21e0eb0e4eb35fbdebcdc8d56d35_unpacked.apk

  • Size

    4.0MB

  • MD5

    2ffac6c6ba63598b34dc8a076208f7b4

  • SHA1

    02d20c723835a961b594ada5c5acff8ee5ed9bab

  • SHA256

    2af548766f9a368e72dfab3c5bf4123da0d52f603e405e801f79a4a9c5b5c07c

  • SHA512

    fbb2955d883d9275bfa0f7c23ca1110ceed1b13083ec249f8445c9c203fdbd9554c36ab91b7c3634871812f3661a7a0b33dc4168b2ef0f1afcff26e370468bd8

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

  • FluBot Payload 4 IoCs
  • suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

    suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

  • suricata: ET MALWARE Possible Zeus GameOver/FluBot Related DGA NXDOMAIN Responses

    suricata: ET MALWARE Possible Zeus GameOver/FluBot Related DGA NXDOMAIN Responses

  • Makes use of the framework's Accessibility service. 3 IoCs
  • Loads dropped Dex/Jar 3 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.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service.
    • Loads dropped Dex/Jar
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:5317
    • /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.mm/app_apkprotector_dex/classes-v1.bin --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tencent.mm/app_apkprotector_dex/oat/x86/classes-v1.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:5431

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/user/0/com.tencent.mm/app_apkprotector_dex/classes-v1.bin

    Filesize

    3.1MB

    MD5

    aca8ab11deeeed62a960d35ffa984401

    SHA1

    a20fc21166d30e80f0f8cfcd3ce7c7a11b579960

    SHA256

    45b81ea4e359f1a2ccd0a4d537dbbc9fa5839a5c1a81ea26febd3abba5df67cf

    SHA512

    c0637ee40a12db71c5edfbc51bdb2b5cbb562068047a36cb9e3af9e45087c6b8355ea95c5ffeec6b45fb6cf71dd6a3fd2d5fc046b4b340652adbfb3c2e574cb8

  • /data/user/0/com.tencent.mm/app_apkprotector_dex/classes-v1.bin

    Filesize

    3.1MB

    MD5

    aca8ab11deeeed62a960d35ffa984401

    SHA1

    a20fc21166d30e80f0f8cfcd3ce7c7a11b579960

    SHA256

    45b81ea4e359f1a2ccd0a4d537dbbc9fa5839a5c1a81ea26febd3abba5df67cf

    SHA512

    c0637ee40a12db71c5edfbc51bdb2b5cbb562068047a36cb9e3af9e45087c6b8355ea95c5ffeec6b45fb6cf71dd6a3fd2d5fc046b4b340652adbfb3c2e574cb8

  • /data/user/0/com.tencent.mm/app_apkprotector_dex/classes-v1.bin

    Filesize

    3.1MB

    MD5

    be4a01c50b0abbabbdcbb8b549f43a2a

    SHA1

    c50a9b8ae100bdf1698852e0e5ac5ed3976c752d

    SHA256

    24779aa5e7b19568d23938c0cecb74cce7f08dd7190ff602d788af241409a1b4

    SHA512

    baafabf7b1261f0767bf0f87d411e470c758db7a243668ac00f45ae315158a239b07bc24849ad04de62034a5f6da0eeddaf93c1621bb31d2d34047d9cad82274

  • /data/user/0/com.tencent.mm/app_apkprotector_dex/classes-v1.bin

    Filesize

    3.1MB

    MD5

    aca8ab11deeeed62a960d35ffa984401

    SHA1

    a20fc21166d30e80f0f8cfcd3ce7c7a11b579960

    SHA256

    45b81ea4e359f1a2ccd0a4d537dbbc9fa5839a5c1a81ea26febd3abba5df67cf

    SHA512

    c0637ee40a12db71c5edfbc51bdb2b5cbb562068047a36cb9e3af9e45087c6b8355ea95c5ffeec6b45fb6cf71dd6a3fd2d5fc046b4b340652adbfb3c2e574cb8