Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    29-12-2024 22:01

General

  • Target

    31f44b2562a17705aab77c6f29892cf533b5b4162a52d8684c5c8df8f05c1181.apk

  • Size

    1.6MB

  • MD5

    ca7db4eec3f00d7dbf7b70b52aa77317

  • SHA1

    1d1f567c477cc439ce42a72bbc1fc97ef3ff98b7

  • SHA256

    31f44b2562a17705aab77c6f29892cf533b5b4162a52d8684c5c8df8f05c1181

  • SHA512

    57aa8008e64742f9872c93f54c4c061e25aae0c00e7e8eddcb00c01767f00d4d5e2be8b661e64cdae35daf1551363c5e0530e821c4a26d8d165a13f7c01980ad

  • SSDEEP

    49152:Aa3Gb3H4OkdOxNPurv3LBIX4wqOj3H8xDn+t:ATDH4wTPurv3LCvqOLH8xDi

Malware Config

Extracted

Family

octo

C2

https://sariyisevenlerinhikayesi.xyz/YzNlNTRkYjIzODRi/

https://sevgininsaridoslari.xyz/YzNlNTRkYjIzODRi/

https://sariyinkalbeetkisi.xyz/YzNlNTRkYjIzODRi/

https://mutluluksarirenklerde.xyz/YzNlNTRkYjIzODRi/

https://sarihayatveduygular.xyz/YzNlNTRkYjIzODRi/

https://sarininetkileyicigucu.xyz/YzNlNTRkYjIzODRi/

https://saridostluksarkilari.xyz/YzNlNTRkYjIzODRi/

https://hayatisaridenizinde.xyz/YzNlNTRkYjIzODRi/

https://saritutkunuinsanlar.xyz/YzNlNTRkYjIzODRi/

https://sarisevgininkuvveti.xyz/YzNlNTRkYjIzODRi/

https://saridunyaanlamlari.xyz/YzNlNTRkYjIzODRi/

https://sarisevgiileyenilik.xyz/YzNlNTRkYjIzODRi/

https://renklisarihikayeler.xyz/YzNlNTRkYjIzODRi/

https://sarigunlerinkesfi.xyz/YzNlNTRkYjIzODRi/

https://sarisessizlikvebaris.xyz/YzNlNTRkYjIzODRi/

https://hayatsarisemalari.xyz/YzNlNTRkYjIzODRi/

https://saridostluksohbetleri.xyz/YzNlNTRkYjIzODRi/

https://sarisevincindunyasi.xyz/YzNlNTRkYjIzODRi/

https://sarisanatvenotalar.xyz/YzNlNTRkYjIzODRi/

https://sariruyalarnincizimi.xyz/YzNlNTRkYjIzODRi/

rc4.plain

Extracted

Family

octo

C2

https://sariyisevenlerinhikayesi.xyz/YzNlNTRkYjIzODRi/

https://sevgininsaridoslari.xyz/YzNlNTRkYjIzODRi/

https://sariyinkalbeetkisi.xyz/YzNlNTRkYjIzODRi/

https://mutluluksarirenklerde.xyz/YzNlNTRkYjIzODRi/

https://sarihayatveduygular.xyz/YzNlNTRkYjIzODRi/

https://sarininetkileyicigucu.xyz/YzNlNTRkYjIzODRi/

https://saridostluksarkilari.xyz/YzNlNTRkYjIzODRi/

https://hayatisaridenizinde.xyz/YzNlNTRkYjIzODRi/

https://saritutkunuinsanlar.xyz/YzNlNTRkYjIzODRi/

https://sarisevgininkuvveti.xyz/YzNlNTRkYjIzODRi/

https://saridunyaanlamlari.xyz/YzNlNTRkYjIzODRi/

https://sarisevgiileyenilik.xyz/YzNlNTRkYjIzODRi/

https://renklisarihikayeler.xyz/YzNlNTRkYjIzODRi/

https://sarigunlerinkesfi.xyz/YzNlNTRkYjIzODRi/

https://sarisessizlikvebaris.xyz/YzNlNTRkYjIzODRi/

https://hayatsarisemalari.xyz/YzNlNTRkYjIzODRi/

https://saridostluksohbetleri.xyz/YzNlNTRkYjIzODRi/

https://sarisevincindunyasi.xyz/YzNlNTRkYjIzODRi/

https://sarisanatvenotalar.xyz/YzNlNTRkYjIzODRi/

https://sariruyalarnincizimi.xyz/YzNlNTRkYjIzODRi/

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 family
  • Octo payload 2 IoCs
  • Removes its main activity from the application launcher 1 TTPs 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
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • 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.offer.job
    1⤵
    • Removes its main activity from the application launcher
    • 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)
    • 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 modifying system settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4251
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.offer.job/app_little/PyR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.offer.job/app_little/oat/x86/PyR.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4277

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.offer.job/.qcom.offer.job

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.offer.job/app_little/PyR.json

    Filesize

    153KB

    MD5

    915078a71dfda97d25e9e6defc48009d

    SHA1

    369418724278ec773d67a4995e0f252b38280c31

    SHA256

    d39affaed18cb33725dea33d59859d98e59f6c539d16043ee5d9a23131edcf20

    SHA512

    ccc6abe600bb90b1a452133b0813afb45be3d7c7ced8217397bc6fae3f0d88c90a63769354616b159e8c1f6570067d30ecdf0bdb7407dbfd292ed63cbd4bbca6

  • /data/data/com.offer.job/app_little/PyR.json

    Filesize

    153KB

    MD5

    0f9e48dc0086e445902fd7cf24b5fc3e

    SHA1

    59b66ba706f9b266cc4feabe08c3814996c5df46

    SHA256

    ce1928399fdd1d0bbbbfda57fdddbc8d2247ed7171a9b529b3cc014c208fd9e7

    SHA512

    56db3fe762db5199426c65969e6dd84407fbc51bc30b40247c1d6e241a1fc963e63a1df782b794a69cf1ecc6614133248e03629b94cd86a8f231ed839656c938

  • /data/data/com.offer.job/kl.txt

    Filesize

    79B

    MD5

    d6f76c6c0d71400a7e88692a48ecb662

    SHA1

    d50087f3f8ddcab240dd7a077bce250c2f3404ba

    SHA256

    0a6109308313f295ff3f182bd7ad32f9b2fcd8d5341ca945ccfcce163a1460fb

    SHA512

    0059bdbbd9ebf8a00b95a6459d1186fe98c75d71ce9f81abfaf3b9504f781a7dd75e78796df8d8d5b81078f4940a806c9a917646913922921da690741eccde51

  • /data/data/com.offer.job/kl.txt

    Filesize

    423B

    MD5

    052fff5434cebf910ab80883f1120bd8

    SHA1

    417223970eb2abe98f1814b62162cb211e793760

    SHA256

    554f6fabbdb9969ec9feeedafcd12d4f8ea532ea8d300c39383020bf16f0d57d

    SHA512

    c7c8b914511f505e89683af4e7119c4d0146a118955ad906db03a45bd4bbcb592bb4d130ccf89fb379632f9873f21ab63e1855315c0934c10e316127e5f6f143

  • /data/data/com.offer.job/kl.txt

    Filesize

    230B

    MD5

    540fa227caca0b9c61877d2b83b51963

    SHA1

    981a26dc241ee197d3c6a6e10d151de159a7e8f2

    SHA256

    b69e381d6472d1b8cdf0d6b0305276b6c35d01cf251c44d25ea0b0ccdf770cb6

    SHA512

    df30c9bfb30a8a6aedbd9f6c814af1bfec744c007591581b5b35ed3947d29336f2d24fae0d495d74f6ae5fca562ee38f28f24d2774202920c00c1353c09e695d

  • /data/data/com.offer.job/kl.txt

    Filesize

    54B

    MD5

    11555f45f586facec376ad65db78cd36

    SHA1

    ee382cfc968601528c3a3876c7dca1430f1adbad

    SHA256

    573f3e596b03fce0a955a0a922d9935713ed06c6dbb04d8a52e401474e44786c

    SHA512

    99f8e02bf214fd5e81caa4280f3b3a2b3c5bdda6f4ec09e6e0aaa6ad8df96293ad11e87b4b6760bedc9dfd98c2a57f1e1c1a6c5366f2dab3b404a331e0d4cce6

  • /data/data/com.offer.job/kl.txt

    Filesize

    63B

    MD5

    43ce21ac9d955c006cf9e5d0af9f130e

    SHA1

    c94f521efa446cde58d9535b434c6468957a47fd

    SHA256

    0789ef11923d54fe31918518c940650119a84691bc39cbe2c47b4d1968f3ec16

    SHA512

    85f4fe09ec1123db640e712c19a5810303b1372d4a8c75c469c387d15581a332f3fd142a320ffa607672729b4e78771b2efd97d27f7d69faf566068a628e6421

  • /data/user/0/com.offer.job/app_little/PyR.json

    Filesize

    450KB

    MD5

    20089bd7aa04fe26634504207cb43152

    SHA1

    ec0533900d42083a2bba7971acb8715aab12b8c8

    SHA256

    2429abfa174343ce7e22817046f2fa1738bc03979b5bc4e2d1a3ee4b5bbde89a

    SHA512

    787e936e409a8d90991d0c3f5b78946f61ab2cedeb3b39e4dc896ef3c3d1e8352e7c5a5c269c00417ba24e8ca5b433bc46df38c0458d9824eba0ea8c082d279c

  • /data/user/0/com.offer.job/app_little/PyR.json

    Filesize

    450KB

    MD5

    32d5170c301fc88cf8b517c1a5b9a6e8

    SHA1

    6ff3508a193e034d672ab645a1822785e9447041

    SHA256

    9577720ef503772470d0fdcf5d974c20fffdc33ea296b36a96176374c1ed7ddb

    SHA512

    309928dcc23ea80cbe30341b3cb38a9c7ee4f872d21df4125c0107b24844a9f4e68e59404155e1f5623da6d41c9dec2f3df27f9befd0a687719e94740f598c6f