Analysis

  • max time kernel
    1841315s
  • max time network
    159s
  • platform
    android_x86
  • resource
    android-x86-arm-20220310-en
  • submitted
    16-06-2022 18:19

General

  • Target

    4859ab9cd5efbe0d4f63799126110d744a42eff057fa22ff1bd11cb59b49608c.apk

  • Size

    6.0MB

  • MD5

    06371fc75740162de9e6275102012e6c

  • SHA1

    9b45243e89541ae26fea5ff2b9c7d14ff69044ed

  • SHA256

    4859ab9cd5efbe0d4f63799126110d744a42eff057fa22ff1bd11cb59b49608c

  • SHA512

    c865d89143effb176c4be93fc16f54e06d248f5b7e22ffbf19754137f9da181f6d7f6019cdb28d2d7964375b1978a255c475dd3d17487fddb9fa0e4eda8bf248

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
  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Removes a system notification. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

Processes

  • com.tencent.mobileqq
    1⤵
    • Makes use of the framework's Accessibility service.
    • Loads dropped Dex/Jar
    • Removes a system notification.
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:5312
    • /system/bin/dex2oat --debuggable --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 --debuggable --generate-mini-debug-info --dex-file=/data/user/0/com.tencent.mobileqq/eGGggUk6i7/GI8kghfhhThU88f/base.apk.eUftgIu1.jjI --output-vdex-fd=45 --oat-fd=46 --oat-location=/data/user/0/com.tencent.mobileqq/eGGggUk6i7/GI8kghfhhThU88f/oat/x86/base.apk.eUftgIu1.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:5386

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • /data/user/0/com.tencent.mobileqq/eGGggUk6i7/GI8kghfhhThU88f/base.apk.eUftgIu1.jjI

    Filesize

    2.0MB

    MD5

    50047ec0209d69081cbd555b6c385a49

    SHA1

    98175443858a4f2998719a02e3446d610e7157ed

    SHA256

    b1951dfd1028e85d5f62f6d5337bc9132625d4c3f972a4050e15f50daac18c2c

    SHA512

    58a3b30b6a9315ef775bafe977b03b6e9771d764561de7c225c881b5c83d3551cd67408a2ad35504a7eb729c66c3af7158abdb18fb54df17d7a6c1fd6ebd539a

  • /data/user/0/com.tencent.mobileqq/eGGggUk6i7/GI8kghfhhThU88f/base.apk.eUftgIu1.jjI

    Filesize

    2.0MB

    MD5

    50047ec0209d69081cbd555b6c385a49

    SHA1

    98175443858a4f2998719a02e3446d610e7157ed

    SHA256

    b1951dfd1028e85d5f62f6d5337bc9132625d4c3f972a4050e15f50daac18c2c

    SHA512

    58a3b30b6a9315ef775bafe977b03b6e9771d764561de7c225c881b5c83d3551cd67408a2ad35504a7eb729c66c3af7158abdb18fb54df17d7a6c1fd6ebd539a