Overview

overview

10

Static

static

6

30937927e8...67.apk

android-9-x86

10

30937927e8...67.apk

android-10-x64

10

30937927e8...67.apk

android-11-x64

10

Analysis

  • max time kernel
    127s
  • max time network
    151s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    24/03/2025, 04:16

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General

  • Target

    30937927e8891f8c0fd2c7b6be5fbc5a05011c34a7375e91aad384b82b9e6a67.apk

  • Size

    6.1MB

  • MD5

    1a2a4044cf18eed59e66c413db766145

  • SHA1

    4e6e9995c3792d8cbcdd8aeb762bb0a6f74cef68

  • SHA256

    30937927e8891f8c0fd2c7b6be5fbc5a05011c34a7375e91aad384b82b9e6a67

  • SHA512

    cc069b2cc2e3c55190b0c840d98b2f6612e7779c759a24dfd903d96a028f5375ef806c40910efb98d566cef276557dab5cba13397cedc9a1ad56c1d2e1727ae8

  • SSDEEP

    98304:piRrQE87MwGC0NnlKaNzvc0j9nj1lA9wVAe0bAQfkFLv0yim:pW87Mznl1XnRlA68qj0yn

Score
10/10
flubotbankercollectioncredential_accessdefense_evasiondiscoveryevasionimpactinfostealerpersistencestealthtrojan

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

    bankertrojaninfostealerflubot
  • FluBot payload 2 IoCs
  • Flubot family
    flubot
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectiondefense_evasioncredential_access
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

    defense_evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Requests changing the default SMS application. 2 TTPs 1 IoCs
    collectionimpact
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    defense_evasion
  • Requests enabling of the accessibility settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.tencent.mm
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Requests changing the default SMS application.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests enabling of the accessibility settings.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4303
    • /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_DynamicOptDex/fBbBL.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tencent.mm/app_DynamicOptDex/oat/x86/fBbBL.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4327

Network

MITRE ATT&CK Enterprise v15

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.tencent.mm/app_DynamicOptDex/fBbBL.json
    Filesize

    3.1MB

    MD5

    4d1af208adc4e3b48ae49a8f9bb6a3bf

    SHA1

    c01efaade18827744ea039b365b1392574cbe11e

    SHA256

    35f92b7fab00a5dedec023de3bd5f4bc66f317043a62bee3d47c267bc28349b1

    SHA512

    4ac2b3c9374abbed0a8169f51965711f19461695b905c0221b51883360803521e80f5087209ec134a2b0303f13add277eef3eb8dd2173861c334d7dfde958906

    Download Submit

  • /data/data/com.tencent.mm/app_DynamicOptDex/fBbBL.json
    Filesize

    3.1MB

    MD5

    9176c3e392a554fec7890533a61886ab

    SHA1

    74f83c8167c59c65ad1b508055dfac445bc08c25

    SHA256

    27ed9910cd1e4f2357df3d687bb8a375b97c1a8655cf0c30a64eff495a9b3b1c

    SHA512

    ffc4182c020c35d5a44eaf413943115d093ed4640bf9c9fa750c8fd8c6cca8947c1ddce3581b842bdb28588ce7af829dc4e23d1cb7f0b668f5c16c21adb3cbca

    Download Submit

  • /data/data/com.tencent.mm/app_DynamicOptDex/oat/fBbBL.json.cur.prof
    Filesize

    2KB

    MD5

    ccad53f867a4d4e1fe6008c4e8ad1e1a

    SHA1

    b48dc5727e85cc6b9206866f1a1a11eac9d27d89

    SHA256

    c6d9181b8852ea0d53cb83703604eb10979d4bae18c71f5075ba63ce47ba819e

    SHA512

    73e355f5c3d800c0a2161934df70975f0bcab8900985227c14bf0139233313c2f80440af673af9d67ba9054ab989cd7bc0d9c6552d30b5e30cce31a135ff831b

    Download Submit

  • /data/user/0/com.tencent.mm/app_DynamicOptDex/fBbBL.json
    Filesize

    3.1MB

    MD5

    e8b100462913641b3b3ff92e25c28952

    SHA1

    b6f14c00f93608112d45b67cee5b8b981e575785

    SHA256

    863a1018014257e0c569c7217dccbd5d810f236e2bb9ffaee02a7e9b3b006437

    SHA512

    7524ee74a85dfa1c8c4488618e73e56d9e24db1bf99bd03fcea053cbe5c5a26340d1acf0a6d7cac0714e794544b1b551265e8db0176c5d5aa497856f28659974

    Download Submit