Analysis

  • max time kernel
    152s
  • max time network
    160s
  • platform
    android_x64
  • resource
    android-x64-20231215-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20231215-enlocale:en-usos:android-10-x64system
  • submitted
    19-02-2024 22:01

General

  • Target

    638d1b55ffa756a9e44080d1f6271e8450a59a3ca9b1af0b54473b8792e3ec80.apk

  • Size

    541KB

  • MD5

    57138de8b1b61febd736780ef5ca59ef

  • SHA1

    88c805151ead2c88df984c78dfb4ba1831b3f289

  • SHA256

    638d1b55ffa756a9e44080d1f6271e8450a59a3ca9b1af0b54473b8792e3ec80

  • SHA512

    3fe1b49f509a8c9ed4840856b5ceee52e0611170380af9b26123fc92a920e84682b195f6e90b352039f2b9236503cb313397352e537ea796e311c3803972c10e

  • SSDEEP

    12288:5a15ijFLhIyW5DeU91tAsFiXjngdpj2tN1cjr/lD9YvYn9:eqLhIyW5rtAsFcjnwiti/xGAn9

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
  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator.
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.selfbroughtuo
    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)
    • Loads dropped Dex/Jar
    • Acquires the wake lock
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5002

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.selfbroughtuo/.qcom.selfbroughtuo

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.selfbroughtuo/cache/oat/wfudsluvg.cur.prof

    Filesize

    466B

    MD5

    9984c9eaf8e82df8aeffb3ce3d1c1beb

    SHA1

    64e645e1c12068f5586e78116383ac6c8b5920f9

    SHA256

    e6669008aae806c7baedcd541a85d5d49fdeb887a8c814b5e07a095997e8b40e

    SHA512

    f70b5ae28792ad1f17197f3a31d83ddcd888326dd69a1d5d088fc25b7349b87f6a59bc2b495222294dc31df83474738a05c8bf51703864e5e2ec9cc3b4afcd7d

  • /data/data/com.selfbroughtuo/cache/wfudsluvg

    Filesize

    450KB

    MD5

    f71c1fa9154c4647f51ae499d2c31671

    SHA1

    da1c89eb3566c49c16e98d072eeef138f92194c0

    SHA256

    b2a66cc77f9496f885b06d1152d615f94e560a26456a8082c34ca92d04857f1e

    SHA512

    36a75332db9068afe731b9f336279c814e91e29f5d05aac3b752feae4029653c3be0b58243ef90bd652c2ddd8a4b4555592af172655a6797afc6cf059b9b4ed4

  • /data/data/com.selfbroughtuo/kl.txt

    Filesize

    230B

    MD5

    32c2ed280ef1847d59cf8dbc6664865b

    SHA1

    a4d5d700f6a6f8868835cd3f86c2d2dad486029e

    SHA256

    46221ae05c8527f33b1757b0566e412cbf40b38f5ae0c920798e85ce69f79b6a

    SHA512

    a551fbbaa674e49f09593bb2c7db222220554d57c83e8563bf4540b06766aaa3cf5956d98a805a4b4abf0a543e71083bdf10cefd347a13bf01b6106cc9bde3bc

  • /data/data/com.selfbroughtuo/kl.txt

    Filesize

    45B

    MD5

    97f19109a1703fb00a5d285948e6a512

    SHA1

    59aab9cb44f7eca0b5f7e3c538385d6aaefbb7f4

    SHA256

    e6a16d81b594182918ad616dc0fac2fa3d79088a9ea27902b8ead3365ececfdb

    SHA512

    419e5dad21d424f0822ab984cb20837d3602bea543533af8cdcc6569516ec10b0b3bf1301e8e5969482d673fa1d6672d2d5137aa255a275e71800cc7dc351891

  • /data/data/com.selfbroughtuo/kl.txt

    Filesize

    63B

    MD5

    64f850241c9c173315c2598d257d072c

    SHA1

    04da6b0a57bf25e9ab6415dd71f253b494c19297

    SHA256

    c7b85cb7858b71f9966b5c201caee1fa49dfef7da21b1e7c469d0beccdcfdbcb

    SHA512

    7f1bcafae89196293ab9f65d8315b65414dea4d9ecc1aac69e4540e17fda0d654b372b2c8bfdbee03d917a97df0d2d523764a7a4dc048f4a98a091c85c00f4f0

  • /data/data/com.selfbroughtuo/kl.txt

    Filesize

    45B

    MD5

    8e2c2d0b6ecdaa7befa2e357978dc3c5

    SHA1

    93d416cda385597ac4d31e89b1ea9c06881eecb1

    SHA256

    308444b123a3e9149b1d40f03ae96fd176f7dde65cc67a2624d214ec38a454f9

    SHA512

    a2e5d94de5687141b55aaa5e6b794ccf630269b257f82ef4c8afd12bc180979fe88dce0ad949625f6fd038e7703a8251ab5c2ca50e863c474fd17ac8cffef4bf

  • /data/data/com.selfbroughtuo/kl.txt

    Filesize

    60B

    MD5

    8206cef84ebe84cfc4171b187f1872f8

    SHA1

    1acf75b2d3fb5f9ef8037979d0ea26d687c171d1

    SHA256

    3def7c616657f1ac963ccdf8ec2a23b28d983e7fe427a6f6440bf4432b2e3e98

    SHA512

    46299559732df22dfd6fcffc83b922b6c2e66bc70398e47dae41134b10e1b2bec52cc7298b3c544ea460c1a811f4ab410b9568f9ef9610db5819afca32c5ba41