Resubmissions

07-11-2024 02:33

241107-c2bcrssmhx 10

07-11-2024 02:32

241107-c1ry5atfpn 10

07-11-2024 00:03

241107-acf6lszme1 10

General

  • Target

    Chrome_update_11.1235.apk

  • Size

    2.4MB

  • Sample

    241107-c1ry5atfpn

  • MD5

    e394d198d8487b7f34c8ea9eafc22c88

  • SHA1

    7fc1a4f0f30509af17bebb9c7a83c7ff91ae6661

  • SHA256

    b224694a8b51e88f0466e81c1110d63a1b4d659d1db4916fef1ddfd5bc99f25c

  • SHA512

    71f4d3adc911f938c22ff58092237577307353f69dc66252bab7f193922a68fe5811514cf94b2490c27039ad88624c05482057c1f0dba724e09ab00f5282dce9

  • SSDEEP

    49152:BhBw2YHE8zk6AxV96QB/PETV4TclFamBCz/D4TbHzq46lEfKy/pj/:9mHPY6AXwI/PQrF4/DibHzxdfRpT

Malware Config

Extracted

Family

octo

C2

https://largovargos.fun/MWZjODg0YjhhMWVi/

https://lar3govargos.com/MWZjODg0YjhhMWVi/

https://largov5argos.com/MWZjODg0YjhhMWVi/

https://la6rgovargos.com/MWZjODg0YjhhMWVi/

https://largova8rgos.com/MWZjODg0YjhhMWVi/

https://largov4argos.com/MWZjODg0YjhhMWVi/

https://la4rgovargos.com/MWZjODg0YjhhMWVi/

rc4.plain

Extracted

Family

octo

C2

https://largovargos.fun/MWZjODg0YjhhMWVi/

https://lar3govargos.com/MWZjODg0YjhhMWVi/

https://largov5argos.com/MWZjODg0YjhhMWVi/

https://la6rgovargos.com/MWZjODg0YjhhMWVi/

https://largova8rgos.com/MWZjODg0YjhhMWVi/

https://largov4argos.com/MWZjODg0YjhhMWVi/

https://la4rgovargos.com/MWZjODg0YjhhMWVi/

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

Targets

    • Target

      Chrome_update_11.1235.apk

    • Size

      2.4MB

    • MD5

      e394d198d8487b7f34c8ea9eafc22c88

    • SHA1

      7fc1a4f0f30509af17bebb9c7a83c7ff91ae6661

    • SHA256

      b224694a8b51e88f0466e81c1110d63a1b4d659d1db4916fef1ddfd5bc99f25c

    • SHA512

      71f4d3adc911f938c22ff58092237577307353f69dc66252bab7f193922a68fe5811514cf94b2490c27039ad88624c05482057c1f0dba724e09ab00f5282dce9

    • SSDEEP

      49152:BhBw2YHE8zk6AxV96QB/PETV4TclFamBCz/D4TbHzq46lEfKy/pj/:9mHPY6AXwI/PQrF4/DibHzxdfRpT

    • Octo

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

    • Octo family

    • Octo payload

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

    • Queries the phone number (MSISDN for GSM devices)

    • Acquires the wake lock

    • Makes use of the framework's foreground persistence service

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

    • Performs UI accessibility actions on behalf of the user

      Application may abuse the accessibility service to prevent their removal.

    • Queries the mobile country code (MCC)

    • Queries the unique device ID (IMEI, MEID, IMSI)

    • Reads information about phone network operator.

    • 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 enabling of the accessibility settings.

    • Requests modifying system settings.

MITRE ATT&CK Mobile v15

Tasks