Analysis

  • max time kernel
    705452s
  • max time network
    158s
  • platform
    android_x64
  • resource
    android-x64-20231023.1-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20231023.1-enlocale:en-usos:android-10-x64system
  • submitted
    02/12/2023, 10:20

General

  • Target
    NEAS.9015ba5dca69c63fafbe9ec16aadcaadc509bc89273bb7c59f61f4ae117c9628bin.apk
  • Size 3.2MB
  • Sample231202-mdcwssca26
  • SHA256 9015ba5dca69c63fafbe9ec16aadcaadc509bc89273bb7c59f61f4ae117c9628
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://185.196.9.197/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass2.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass3.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass4.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass5.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass6.net/MTQ4MmUxODBhMTVi/

  • https://185.196.9.197/mtq4mmuxodbhmtvi/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass.net/mtq4mmuxodbhmtvi/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass2.net/mtq4mmuxodbhmtvi/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass3.net/mtq4mmuxodbhmtvi/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass4.net/mtq4mmuxodbhmtvi/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass5.net/mtq4mmuxodbhmtvi/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass6.net/mtq4mmuxodbhmtvi/MTQ4MmUxODBhMTVi/

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
AES_key

Signatures

  • Octo

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

  • Octo payload 3 IoCs
  • Makes use of the framework's Accessibility service. 2 IoCs
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs
  • Acquires the wake lock. 1 IoCs
  • Loads dropped Dex/Jar 4 IoCs

    Runs executable file dropped to the device during analysis.

  • Reads information about phone network operator.
  • Removes a system notification. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

Processes

  • com.wantbook61
    1⤵
    • Makes use of the framework's Accessibility service.
    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
    • Acquires the wake lock.
    • Loads dropped Dex/Jar
    • Removes a system notification.
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:5053

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CWUXNZkJls1pilCuwQqdCLFF7iMb549C.dex

        • Path /data/data/com.wantbook61/app_ded/CWUXNZkJls1pilCuwQqdCLFF7iMb549C.dex
        • Size 3KB
        • SHA256 071cdde90f22c4e72e82d21f68959869c15c17e4cf4cd61139e569390f5edb21
        • MD5 SHA1 SHA512

        dbchtznxtpd

        • Path /data/data/com.wantbook61/cache/dbchtznxtpd
        • Size 449KB
        • SHA256 c9f3344e3181a8b4825a800a78b0e5f7761a9da3dafa34659b2bb021ac108257
        • MD5 SHA1 SHA512 SSDEEP

        dbchtznxtpd.cur.prof

        • Path /data/data/com.wantbook61/cache/oat/dbchtznxtpd.cur.prof
        • Size 418B
        • SHA256 467e9206f8c93c22599acdc33fa8316be5e82687d66a33682061dc9805f6cd9c
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.wantbook61/kl.txt
        • Size 28B
        • SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.wantbook61/kl.txt
        • Size 230B
        • SHA256 a327dc02bbf806efa3ffe4781ca07e6cab5336b05e1938cedfe394e9c44f6676
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.wantbook61/kl.txt
        • Size 68B
        • SHA256 57455d6ee0c80f491db0e4b4b01f0e975ed0098688445e916c05ac39d6ba1e94
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.wantbook61/kl.txt
        • Size 76B
        • SHA256 cbd012b91d7ab9bf1584e1598409e85d390fc1db89bedf04d0bb04bb81c1c57b
        • MD5 SHA1 SHA512

        CWUXNZkJls1pilCuwQqdCLFF7iMb549C.dex

        • Path /data/user/0/com.wantbook61/app_ded/CWUXNZkJls1pilCuwQqdCLFF7iMb549C.dex
        • Size 3KB
        • SHA256 071cdde90f22c4e72e82d21f68959869c15c17e4cf4cd61139e569390f5edb21
        • MD5 SHA1 SHA512

        CWUXNZkJls1pilCuwQqdCLFF7iMb549C.dex

        • Path /data/user/0/com.wantbook61/app_ded/CWUXNZkJls1pilCuwQqdCLFF7iMb549C.dex
        • Size 3KB
        • SHA256 071cdde90f22c4e72e82d21f68959869c15c17e4cf4cd61139e569390f5edb21
        • MD5 SHA1 SHA512

        dbchtznxtpd

        • Path /data/user/0/com.wantbook61/cache/dbchtznxtpd
        • Size 449KB
        • SHA256 c9f3344e3181a8b4825a800a78b0e5f7761a9da3dafa34659b2bb021ac108257
        • MD5 SHA1 SHA512 SSDEEP

        dbchtznxtpd

        • Path /data/user/0/com.wantbook61/cache/dbchtznxtpd
        • Size 449KB
        • SHA256 c9f3344e3181a8b4825a800a78b0e5f7761a9da3dafa34659b2bb021ac108257
        • MD5 SHA1 SHA512 SSDEEP