Analysis

  • max time kernel
    143s
  • max time network
    136s
  • platform
    android_x86
  • resource
    android-x86-arm-20231215-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20231215-enlocale:en-usos:android-9-x86system
  • submitted
    19-02-2024 22:00

General

  • Target

    231078246f14bb968e0e26b1ee8f0896270a421d0cd068b7cd9fae11bf8e6f4e.apk

  • Size

    545KB

  • MD5

    8aaa19ee91fc510db493c1a4cec6e55a

  • SHA1

    9adb9464af18da9171cf765f5d3037bdc1e997a6

  • SHA256

    231078246f14bb968e0e26b1ee8f0896270a421d0cd068b7cd9fae11bf8e6f4e

  • SHA512

    51f244cad47d2d603a0b3277fceb495f722a4f4aa8130933e7a99e0494013b4fa831c050803674952308d2bf2edc1da73d9d5c494fa643490e99bbf4a0e4fe60

  • SSDEEP

    12288:M9bQsEosH05ZYXty+ieWLTtcvKa4ZE8vtpyoqLpKyWnl:OkdUZ0y+ZbKLZEsEdXWnl

Malware Config

Extracted

Family

octo

C2

https://91.240.118.224/NjQyNDcyMjE3ZWU3/

https://asamanaproductioneditionksla.net/NjQyNDcyMjE3ZWU3/

https://asamanaproductioneditionalsk.com/NjQyNDcyMjE3ZWU3/

https://asamanaproductioneditionpskl.net/NjQyNDcyMjE3ZWU3/

https://asamanaproductioneditionctfm.com/NjQyNDcyMjE3ZWU3/

https://asamanaproductioneditiontsma.net/NjQyNDcyMjE3ZWU3/

https://asamanaproductioneditiontols.com/NjQyNDcyMjE3ZWU3/

https://asamanaproductioneditionkdna.net/NjQyNDcyMjE3ZWU3/

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 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 IoCs
  • Removes its main activity from the application launcher 1 IoCs
  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Acquires the wake lock 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.grouptailpcyb
    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)
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • 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:4271

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.grouptailpcyb/.qcom.grouptailpcyb

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.grouptailpcyb/cache/oat/upnngrojeimykdl.cur.prof

    Filesize

    507B

    MD5

    be46b47b2b7477007e351cefd6115c54

    SHA1

    6091d58f04f69c04750348234b483ed233bfc555

    SHA256

    3ee3e08329fe90e5907a64943b3af087ee2c4e0f5e73666f8105b0dad90cea2d

    SHA512

    60f045669a2278bd51d0475267e5facb0888c37457518d6fb9acacefd00d7bb03418c45fce6174589089a541655ce8ee3d9b2b8665be8c502b367c65b004522c

  • /data/data/com.grouptailpcyb/cache/upnngrojeimykdl

    Filesize

    450KB

    MD5

    494b47d8cb14f811aea62faf13c4e2cc

    SHA1

    893289e54ecaa026e1321d31b5f3d952c4628f2f

    SHA256

    a0380e20e075d3a8040cbb0927a197495831c7854186dc979699931c4cd5d5c7

    SHA512

    25283c0b105688f2e9afc36c4f7ccbdb2fe9f51a6627b7f48fdab00f22d48f01e6ba4cc31b852c6570f3f13c4c384e0f84976243a68b7755103d2c452c9da90a

  • /data/data/com.grouptailpcyb/kl.txt

    Filesize

    230B

    MD5

    b2869d16aa8bdb8b4c5991f65a229568

    SHA1

    95e397bde16b7f617708ef4492df6f4c451c73ad

    SHA256

    f81b4b6cc693ac9c4c7ddd2a1dacec913f6dde3279a7a9dca6380f718e82d431

    SHA512

    e107d680bf648e60b008fbd21a35fda9396561fac245ca959013496069b7b9e065ab9081a260b03846793bc496cdfef6b209e47bc8622fa53e06023b52f4ef1e

  • /data/data/com.grouptailpcyb/kl.txt

    Filesize

    54B

    MD5

    c37613e9b54a546141fd4efbb13d65c4

    SHA1

    94746703ac6e194b125fc84065afa952860fc6fc

    SHA256

    d42da3ddfaadc014c2c6bf4dcfc555695375bc01f78d306feb08bfff049a9938

    SHA512

    0cecfeb675b1754af9f9fd27330410528410fbee334ba3fa19a4ffb29b136677c9628f738b7bd42693acdc80adbde4d98f57a92d035dc7326787ab4eb42d8dab

  • /data/data/com.grouptailpcyb/kl.txt

    Filesize

    63B

    MD5

    518ad19295a6744b11a1b3bbfdb7badf

    SHA1

    dfa382e9b32abe638cec15d4c4b78d8d9035ef82

    SHA256

    de92284e2e67dfefe6ebc6a0a28aff9247e06b98d409b7edadc530e0e210004d

    SHA512

    e3aba0f037258d4abbb661bf9533ff839c7ed5fb57fbf042a29eabec6863c223a110c9188f0e35cce555f600c3d7a0aeb47d388b36008eaccc718920f6b2554b

  • /data/data/com.grouptailpcyb/kl.txt

    Filesize

    79B

    MD5

    10008cf23a3d259468751224007588a6

    SHA1

    7d014b12ecf2b1b0cac123bff4f03a17e13e6d12

    SHA256

    5e396f0232cd9d52662834c339ef56ec7e6e5664db955d13fce373c59b6d748d

    SHA512

    f39f3b3e4f136dbd8e5dc906a0cc7e2cf578c623b74689cac28b3f019025e8af6ffe2b3d2cf2694c22bd537eb5ad67d873abe1b2de7caa9a7802055cd3f996ed

  • /data/data/com.grouptailpcyb/kl.txt

    Filesize

    144B

    MD5

    2ee3ffd4a013b1308bb258ab90911701

    SHA1

    53c3ca81b13f5b62a335d9751162608150848c9f

    SHA256

    bdae402bf5a34c70133b271cc8ab4d97ce98ef33cda212f4c7bb5dc08d250ac0

    SHA512

    ef6fe6b9c17537b4d237a215257c79b0200b198b73cce81237ea0985fa2e591ea230beab0a9d554f450559f90d38a55447042ebd257ca248a067b74c892bb321