Analysis

  • max time kernel
    179s
  • max time network
    145s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    24/06/2024, 15:28

General

  • Target
    6597f606ee49ac3d26ce5370f8944bf238aa56c368b82dab99f080abb6832fc1.apk
  • Size 509KB
  • Sample240624-swee8ssflk
  • SHA256 6597f606ee49ac3d26ce5370f8944bf238aa56c368b82dab99f080abb6832fc1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://biricruelidurdursunn.com/YzRmZmJjZTg1ZmVj/

  • https://gurcistancruell33.com/YzRmZmJjZTg1ZmVj/

  • https://cruelveblack32.com/YzRmZmJjZTg1ZmVj/

  • https://cruelgurcistandaaaa42.com/YzRmZmJjZTg1ZmVj/

  • https://lalagkcvagurcuuuu.com/YzRmZmJjZTg1ZmVj/

  • https://biricruelidurdursunloo.com/YzRmZmJjZTg1ZmVj/

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 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 4 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
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.townrest62
    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)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4968

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .qcom.townrest62

        • Path /data/data/com.townrest62/.qcom.townrest62
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        siaokec.cur.prof

        • Path /data/data/com.townrest62/cache/oat/siaokec.cur.prof
        • Size 437B
        • SHA256 c7c049b6df276c72253de0e2c945c7d45000fc504e5b31876229de68886e91d9
        • MD5 SHA1 SHA512

        siaokec

        • Path /data/data/com.townrest62/cache/siaokec
        • Size 448KB
        • SHA256 a32626932983d09d01ee7e59d196454a5388204c60d7e8b13c45819a04f262ad
        • MD5 SHA1 SHA512 SSDEEP

        kl.txt

        • Path /data/data/com.townrest62/kl.txt
        • Size 237B
        • SHA256 d376529af54fabd02caaa7aae57459692daf5b9c3cd8d1bf152a2caf46abd01a
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.townrest62/kl.txt
        • Size 54B
        • SHA256 cb980dfcd5ea43889f4a0d047c8e37cf4945ba27766cc0322de6a4be6becea7d
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.townrest62/kl.txt
        • Size 68B
        • SHA256 4a24854b059df3df7c4d78096e805c045552a38c683b0b30b799e167cf8fb514
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.townrest62/kl.txt
        • Size 63B
        • SHA256 e084077309e0e8b8ffff33d12ae22482e11354400d8acc0cbf0aa9545a231d50
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.townrest62/kl.txt
        • Size 437B
        • SHA256 95af07efb12611625ba5432da299d8f5979b395e05dd8351729a0cc2c4b921f2
        • MD5 SHA1 SHA512