Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    android_x86
  • resource
    android-x86-arm-20240506-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240506-enlocale:en-usos:android-9-x86system
  • submitted
    09-05-2024 22:00

General

  • Target

    657d6c7f79d60e0f7e3458d26fe5c0c1b0e1e1576dc07e47ac488ffda8f6f616.apk

  • Size

    4.1MB

  • MD5

    604d98f084314d0b129ee4891d52c56c

  • SHA1

    da82540643b52db25ce0d82ef896374d12053197

  • SHA256

    657d6c7f79d60e0f7e3458d26fe5c0c1b0e1e1576dc07e47ac488ffda8f6f616

  • SHA512

    1167dcf7c180cbf97449e0f960ee0b8fc09ba9c865497068f00b3f7523b01040a6b7bcb918ecf14c40ea40b4f8566c7cc871a27db84cb57f8d6c7b3e7056539e

  • SSDEEP

    98304:EZ6Yvsd2ofreOoezlcpqG5P9SP68hQU5TiFBcCoFji:YvgXlcpq+VSP6MCo8

Malware Config

Extracted

Family

octo

C2

https://93.123.85.124/TGWgnCJUkNuoaXhNt6PBc3qjzXAuuFBa2D/

https://lowegibiolacaksin.com/TGWgnCJUkNuoaXhNt6PBc3qjzXAuuFBa2D/

https://lowmelowcembowrwe.com/TGWgnCJUkNuoaXhNt6PBc3qjzXAuuFBa2D/

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.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Prevents application removal 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to prevent removal.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 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.

  • 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 mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Acquires the wake lock 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • 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.sonnokta
    1⤵
    • Makes use of the framework's Accessibility service
    • Prevents application removal
    • Removes its main activity from the application launcher
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Checks CPU information
    • Checks memory information
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Acquires the wake lock
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4287

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.sonnokta/.qcom.sonnokta
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.sonnokta/kl.txt
    Filesize

    28B

    MD5

    6311c3fd15588bb5c126e6c28ff5fffe

    SHA1

    ce81d136fce31779f4dd62e20bdaf99c91e2fc57

    SHA256

    8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

    SHA512

    2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

  • /data/data/com.sonnokta/kl.txt
    Filesize

    238B

    MD5

    f160cf48a40004e05d93dd2fdd3ea20f

    SHA1

    208616a52cc52a9c71ff901e10023a84bdd9afcf

    SHA256

    34fe26950e10a48d5e59a43cfd2403e7ab1f1506bb96ee625b9c7208eb18d600

    SHA512

    564057f1866922238885a0ccfbd5f5806d462876bcd245a548826f28358bbfa8074fe9826e0e4f1b4b9e60bd0561a67545de65969a2b93668703b9262f31566a

  • /data/data/com.sonnokta/kl.txt
    Filesize

    63B

    MD5

    6f43f81609df7e97d40cf80cbfe2dfba

    SHA1

    c8d8cea0f50115436ea6f093acaafe08fa8585d7

    SHA256

    be5e84e46f0982abc16be10ba2fe3f250f4e3a41dd045f1499d800bf3c31acb6

    SHA512

    6b71596751145cb44b6452c01a828bc76f5617cde3deaccaa4153bbd77146b888eac4b38ba42343fb71f828aac55b5670d48f1bc7c4e2c32eaa5a202443b76d1

  • /data/data/com.sonnokta/kl.txt
    Filesize

    54B

    MD5

    37625f91a6286fbbcffad4a1dba0c577

    SHA1

    833fdc42fe5aa90174b9aa6272ecec05f80dbe05

    SHA256

    a54f3958bd3438579a066e14fb85edb9efe865986e9747f5742822cdf918c061

    SHA512

    09bcf2f8cd40bc98a8d26c3884ae34aa3dfa6f74ce062799a9a8597ef623ae300ea30c1c2dc8cea787ea614b7de2272fa6e1824055ee928a381346f74f7cf0ab

  • /data/data/com.sonnokta/kl.txt
    Filesize

    423B

    MD5

    6a2365aace81f500107b62f5b653fcf2

    SHA1

    bc0174113c486aec56f306e049dc469a98b441e8

    SHA256

    6d759664fdb9448eaa64cd143b838c25d86dbc7fadabd9a8ef6b41988ccf7663

    SHA512

    573d852f1d4fce3c737764234ec193e3a8d8cd2c1a767ef3e1871add86543a80ab7edc7f1340b18ff67f3857d6df60317ac8d69229ed219881f6be17c06929c8