Resubmissions

09/04/2024, 01:09

240409-bh65nahe44

04/04/2024, 22:00

240404-1wm2daca3810

Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    android_x64
  • resource
    android-x64-20240221-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240221-enlocale:en-usos:android-10-x64system
  • submitted
    04/04/2024, 22:00

General

  • Target
    7424de00ccdead5545e1f360752aa72cebc19528fd6a598a00ddb4964e5c4da7.apk
  • Size 509KB
  • Sample240404-1wm2daca38
  • SHA256 7424de00ccdead5545e1f360752aa72cebc19528fd6a598a00ddb4964e5c4da7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

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

  • https://bavuor.bond/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
  • Makes use of the framework's Accessibility service 2 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 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs

    Checks CPU information which indicate if the system is an emulator.

  • Checks memory information 2 TTPs 1 IoCs

    Checks memory information which indicate if the system is an emulator.

  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • 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.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.tworeal6
    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)
    • Checks CPU information
    • Checks memory information
    • Loads dropped Dex/Jar
    • Makes use of the framework's foreground persistence service
    • Acquires the wake lock
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5029

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .qcom.tworeal6

        • Path /data/data/com.tworeal6/.qcom.tworeal6
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        irdegeoxhiomxt

        • Path /data/data/com.tworeal6/cache/irdegeoxhiomxt
        • Size 449KB
        • SHA256 b88ec2c59c1a9476df77dee17a2efbcb52d643f3e64a229a1f02a14cf22f941d
        • MD5 SHA1 SHA512 SSDEEP

        irdegeoxhiomxt.cur.prof

        • Path /data/data/com.tworeal6/cache/oat/irdegeoxhiomxt.cur.prof
        • Size 430B
        • SHA256 2f41ccf0ce5bc4985a8f1492d7a2d2ac65fd8acb2fcc98bc4839ffbf5be514d3
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.tworeal6/kl.txt
        • Size 28B
        • SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.tworeal6/kl.txt
        • Size 237B
        • SHA256 2e1cca0377f3b067b651896910ee230c22dd91581af076ffba78368e7f37cd83
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.tworeal6/kl.txt
        • Size 68B
        • SHA256 6482abcbabb08d47767821ba5cf5428faf9cbb4cd29f6ea6e31db43d80f403f0
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.tworeal6/kl.txt
        • Size 76B
        • SHA256 7e5a9a86581a1e3975c6b68491acaea043147649767a756c714d1e9a4404c71b
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/data/com.tworeal6/kl.txt
        • Size 237B
        • SHA256 6343527f073ff0a97afabc6f297e33c64ecbb6a72bb113de7471b6875fad8921
        • MD5 SHA1 SHA512