Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    android-13_x64
  • resource
    android-33-x64-arm64-20240910-en
  • resource tags

    arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
  • submitted
    04/11/2024, 22:08

General

  • Target
    d66c18488a8a2d94db568c825356f4e6a745a3ecbdb455a1eb041e5afc7c7af0.apk
  • Size 3.7MB
  • Sample241104-1192ps1kcp
  • SHA256 d66c18488a8a2d94db568c825356f4e6a745a3ecbdb455a1eb041e5afc7c7af0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://malkafaniskm.com/NzY2NDZkZmViYjZj/

  • https://fukiyibartiyom2.com/NzY2NDZkZmViYjZj/

  • https://malkafali222.com/NzY2NDZkZmViYjZj/

  • https://oyunbaimlisi35.com/NzY2NDZkZmViYjZj/

  • https://mal1fukizmirli.com/NzY2NDZkZmViYjZj/

rc4.plain

Extracted

Family
  • octo

C2
  • https://malkafaniskm.com/NzY2NDZkZmViYjZj/

  • https://fukiyibartiyom2.com/NzY2NDZkZmViYjZj/

  • https://malkafali222.com/NzY2NDZkZmViYjZj/

  • https://oyunbaimlisi35.com/NzY2NDZkZmViYjZj/

  • https://mal1fukizmirli.com/NzY2NDZkZmViYjZj/

Attributes
  • target_apps

    at.spardat.bcrmobile

    at.spardat.netbanking

    com.bankaustria.android.olb

    com.bmo.mobile

    com.cibc.android.mobi

    com.rbc.mobile.android

    com.scotiabank.mobile

    com.td

    cz.airbank.android

    eu.inmite.prj.kb.mobilbank

    com.bankinter.launcher

    com.kutxabank.android

    com.rsi

    com.tecnocom.cajalaboral

    es.bancopopular.nbmpopular

    es.evobanco.bancamovil

    es.lacaixa.mobile.android.newwapicon

    com.dbs.hk.dbsmbanking

    com.FubonMobileClient

    com.hangseng.rbmobile

    com.MobileTreeApp

    com.mtel.androidbea

    com.scb.breezebanking.hk

    hk.com.hsbc.hsbchkmobilebanking

    com.aff.otpdirekt

    com.ideomobile.hapoalim

    com.infrasofttech.indianBank

    com.mobikwik_new

    com.oxigen.oxigenwallet

    jp.co.aeonbank.android.passbook

DES_key
AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo family
  • Octo payload 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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.easemusicuysf
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests modifying system settings.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4461

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .qcom.easemusicuysf

        • Path /data/data/com.easemusicuysf/.qcom.easemusicuysf
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        classes.dex

        • Path /data/data/com.easemusicuysf/app_dex/classes.dex
        • Size 3KB
        • SHA256 e64b590882774ddc37d0be677cfeefc036014c7389c24673a1afc3c0cadb2651
        • MD5 SHA1 SHA512

        classes.dex

        • Path /data/data/com.easemusicuysf/cache/classes.dex
        • Size 1KB
        • SHA256 ecac6bf04d74e2662d5e9068ad2db7d8c9ab74712ca2ee4bf2ec6a284548e3f2
        • MD5 SHA1 SHA512

        classes.zip

        • Path /data/data/com.easemusicuysf/cache/classes.zip
        • Size 1KB
        • SHA256 e736c91b87329ebab702f5d01439c1ac645220e30dd0f954fee63269fd870bdb
        • MD5 SHA1 SHA512

        zypje.cur.prof

        • Path /data/data/com.easemusicuysf/cache/oat/zypje.cur.prof
        • Size 372B
        • SHA256 4c948e1fc09d64bfeaa7ec9ed9259504fd63e854e0e55e90c84e5a40ad498bcc
        • MD5 SHA1 SHA512

        zypje

        • Path /data/data/com.easemusicuysf/cache/zypje
        • Size 449KB
        • SHA256 8175abcf8a344d1f237356b46f62731f72bbb1827f060ffefc387642d322cf9d
        • MD5 SHA1 SHA512 SSDEEP

        kl.txt

        • Path /data/data/com.easemusicuysf/kl.txt
        • Size 60B
        • SHA256 ea6e530f160d5a8deaca47f5b7e93f93276ddedd3a689d90863857a7a9ccb528
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.easemusicuysf/kl.txt
        • Size 504B
        • SHA256 145dda6011e5d9f2652ff1d45698e582ece52439b64c35d491f77f1b8cf82f61
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.easemusicuysf/kl.txt
        • Size 221B
        • SHA256 0463ba1664f536ac4687821e3d57d4c89d3ccb2726483fab91345fa7ebd2f06b
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.easemusicuysf/kl.txt
        • Size 54B
        • SHA256 47407f8aeea243991a1da3681baa7727ae7c27aba9dfc020636201ca55de9e61
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.easemusicuysf/kl.txt
        • Size 68B
        • SHA256 cab435ddb6b28a394366a43b472c3af15fdd7122d078369e073b13e27d209e9c
        • MD5 SHA1 SHA512