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Analysis

  • max time kernel
    134s
  • max time network
    154s
  • 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
    21/12/2024, 22:02

General

  • Target

    ac96473138cc210721102777a2b766f023cb31dfd24a96292149145f5c4f2c58.apk

  • Size

    3.4MB

  • MD5

    92f5b5deacc307f5dbeddaa10829660a

  • SHA1

    4de9eb452a882a0be46cda98029716dca910b3f3

  • SHA256

    ac96473138cc210721102777a2b766f023cb31dfd24a96292149145f5c4f2c58

  • SHA512

    168fcaeeed3c5944687f95176753b2098b1b480e7f65506ea3053bdb2098e14023622e3667602c0d8b110db51e6f38d048a8890fea29f31a687a98eb7bd20857

  • SSDEEP

    98304:SCw10bcOm3tdvG9TOmsvyCGqZYf97B7lpQpYpuXt/D/rB30Up:SwbcOWnvG9TOYwG97B7eYcxD/rBNp

Malware Config

Extracted

Family

cerberus

AES_key

Extracted

Family

alienbot

C2

http://217.8.117.104

AES_key

Signatures

  • Alienbot

    Alienbot is a fork of Cerberus banker first seen in January 2020.

  • Alienbot family
  • Cerberus

    An Android banker that is being rented to actors beginning in 2019.

  • Cerberus family
  • Cerberus payload 2 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries account information for other applications stored on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect account information stored on the device.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.ucuadqxoj
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries account information for other applications stored on the device
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Checks CPU information
    • Checks memory information
    PID:4215
    • /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.ucuadqxoj/cache/payload.jar --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ucuadqxoj/cache/oat/x86/payload.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4239

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.ucuadqxoj/cache/oat/payload.jar.cur.prof

    Filesize

    471B

    MD5

    98c3a619c1341b5acade78088130be45

    SHA1

    a5b3044190dbb491aecd5ce5b8d57e4afceb6075

    SHA256

    d1b9a9be007fed79f9fb697b7f447dcac5c1e3699b55120903fd266faf07db80

    SHA512

    45d9ca3721e70f9c99270634618907e2ec620f9a232507b9c231d9adda100c42fbdf2fa60a5ba99065888df870527afdae86f8b747774ff46d233efb83094bdd

  • /data/data/com.ucuadqxoj/cache/payload.jar

    Filesize

    269KB

    MD5

    2c71af739b725732bc7409da870f1b01

    SHA1

    65122134f0af886a0cba79388494fa69fb89015b

    SHA256

    db9f83468daf09f671b75412b0f380c044000677e1c096ef9514e33e8c1c238d

    SHA512

    f25cfd7aa47994715d0b6efa23882b4c89c87b5ff4bb2ac566d139b6b6e8ddbbefc57a8a1dbc802061a404d965fd1977f83fbaddd5cc87a5dd811e743c46a3df

  • /data/user/0/com.ucuadqxoj/cache/payload.jar

    Filesize

    512KB

    MD5

    a80b292df3ef1721270c3064a667bedb

    SHA1

    aefb39bf99ef3b1d119057b83e21c787b53ad41c

    SHA256

    4e850ae53a02f6c01ded3ac7b18bc015bfc8942134b1be91ddbe132e5f2dd745

    SHA512

    9f0925c2fd0ce2be03312a06faaa8b9c03379e7f7c0d98cecb9e0e805ac03f836ab544ef4d4abfb3161a32b0f750b584c4f31cf7b962f56f61b3bb9d7a6e3c95

  • /data/user/0/com.ucuadqxoj/cache/payload.jar

    Filesize

    512KB

    MD5

    e509eeb11454e83ef776251a753488c4

    SHA1

    76b5813d03e27a8f8746ee9694774dfd7768aa4e

    SHA256

    f1e98d8910917f15db1c5780fdd082ce27a7ecce40f363ecd07d0f8091332b77

    SHA512

    b9e4d4972f717f155e92f1431c61c3d4b627ed996470d158a5ea1b6ebe23f84a3a44da73c53f70ae13f255e1263f1741628976c5e877727f25556d95dc58c7d1