Analysis

  • max time kernel
    179s
  • max time network
    183s
  • platform
    android_x64
  • resource
    android-33-x64-arm64-20240611.1-en
  • resource tags

    androidarch:arm64arch:x64image:android-33-x64-arm64-20240611.1-enlocale:en-usos:android-13-x64system
  • submitted
    12/06/2024, 15:17

General

  • Target
    adf3836e8dc16d22138c195ea566c8f127b185fe5396a96fabc20fa1d54f05a3.apk
  • Size 517KB
  • Sample240612-sn1nhatdkp
  • SHA256 adf3836e8dc16d22138c195ea566c8f127b185fe5396a96fabc20fa1d54f05a3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://hyatyumrukgibi.top/ZjM0NjUxNDM5MmVi/

  • https://dnliyomsadeceuzaktan.xyz/ZjM0NjUxNDM5MmVi/

  • https://gecicekyramatuzatma.top/ZjM0NjUxNDM5MmVi/

  • https://birgunolucakelbeet.xyz/ZjM0NjUxNDM5MmVi/

  • https://sankioguncokuzakk.top/ZjM0NjUxNDM5MmVi/

  • https://snayatkatalicam.xyz/ZjM0NjUxNDM5MmVi/

  • https://olanlarigoruceez.xyz/ZjM0NjUxNDM5MmVi/

  • https://kfamhepkarambol.top/ZjM0NjUxNDM5MmVi/

  • https://birbirbirdenikidir.top/ZjM0NjUxNDM5MmVi/

  • https://fesatlarafesatkk.xyz/ZjM0NjUxNDM5MmVi/

  • https://bitmeztukenmezbuenerjj.xyz/ZjM0NjUxNDM5MmVi/

  • https://ckinsanaffettmm.top/ZjM0NjUxNDM5MmVi/

  • https://kirmizimavigelldii.xyz/ZjM0NjUxNDM5MmVi/

  • https://dememelalemnedeerr.top/ZjM0NjUxNDM5MmVi/

  • https://savuryadarsavuun.xyz/ZjM0NjUxNDM5MmVi/

  • https://taktmkafayikapattmkafayi.xyz/ZjM0NjUxNDM5MmVi/

  • https://taktimbirtipayivedekovayi.top/ZjM0NjUxNDM5MmVi/

  • https://bileneaferinbilmeyeneketamn.xyz/ZjM0NjUxNDM5MmVi/

  • https://gormedenglenlereslm.xyz/ZjM0NjUxNDM5MmVi/

  • https://saffetsafmigerckten.top/ZjM0NjUxNDM5MmVi/

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

AES_key

Signatures

  • Octo

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

  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 1 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 3 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.keepnorth3
    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).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4248

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .qcom.keepnorth3

        • Path /data/data/com.keepnorth3/.qcom.keepnorth3
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        tobpmklxk.cur.prof

        • Path /data/data/com.keepnorth3/cache/oat/tobpmklxk.cur.prof
        • Size 387B
        • SHA256 86ec4e51fe411c383ad0f39dc0080f5d2fb4a4edebd5bc208cfa1e2a204dbeaa
        • MD5 SHA1 SHA512

        tobpmklxk.cur.prof

        • Path /data/data/com.keepnorth3/cache/oat/tobpmklxk.cur.prof
        • Size 373B
        • SHA256 3ffdf751e2d9e36553f8eef758948ebb60da5a2f009029ce346acf57f9b7bf93
        • MD5 SHA1 SHA512

        tobpmklxk

        • Path /data/data/com.keepnorth3/cache/tobpmklxk
        • Size 451KB
        • SHA256 9c332c17cb07d2ac2bc37c15a01d78f92ab3dfd1bd39be89578125b0645ea111
        • MD5 SHA1 SHA512 SSDEEP

        kl.txt

        • Path /data/data/com.keepnorth3/kl.txt
        • Size 221B
        • SHA256 fee105eea41e6ccfcf7975367db206ab1fcb113580db8ffb75888f30b45cefed
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.keepnorth3/kl.txt
        • Size 52B
        • SHA256 34514b699ddc69c54d752f480da83e3e1d29343d6a337966a7662b2f0f9701bb
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.keepnorth3/kl.txt
        • Size 70B
        • SHA256 7aded9adfb967d107f17fc9f0cf0acec58195c81ab659ac3395d5a4e71071b62
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.keepnorth3/kl.txt
        • Size 62B
        • SHA256 4601e9de6f857d2d5a4757d67eefa6ee2affc175f5dac85124aa646ec4311be3
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.keepnorth3/kl.txt
        • Size 504B
        • SHA256 51ab47907f5297a9482cdc4c97a2bbf322bac71b8a25e337e1abc663cf6207ca
        • MD5 SHA1 SHA512