Analysis

  • max time kernel
    146s
  • max time network
    145s
  • 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 22:01

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
  • 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
  • Reads information about phone network operator.
  • 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.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)
    • 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:4243

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

    569B

    MD5

    d339173ee35cfc890829e22353283c84

    SHA1

    e7765d510aa2667953721ca14b35f9135a0f22be

    SHA256

    afef65b1bcaa285bb3a9d17ef5971d2afd8c592c7359989ea658a791fcc73129

    SHA512

    2b5c6c5a3f226ecd27d5ffbe48596bf8e08d646dba6fa20ac1d790d3e613896a7dfe1607f816dacb8f49357e6ac7b96945346c47af374f01ad01adb6ddd1ce39

  • /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

    bbfc916140edada44840ad3b33e62ec6

    SHA1

    9df44d08c32b1726095dc34395610c332e822cf3

    SHA256

    8d2611b0ad6852b5e8da36227ce358d7dc0710a7b98217691c27531d319a72fe

    SHA512

    f1e80f877688c3793628f5c62ee9efc3b37edfd2d004a2ef09d33c3fad9ca232af74bbd8fc43827b44bec7e7c364e1ab777a408a7221aa087e944643b24b2224

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

    Filesize

    54B

    MD5

    d1e6115c384f07045d8af850c0714ac6

    SHA1

    337ae731c3f509c7e304c1cd294c88d324db78f7

    SHA256

    e6c9f0998b33d3124ea761b091f14381b153dfff9df36b13b59655f0467c11da

    SHA512

    b923827bbb2404ff9658091d02197c519f79d01be7b4f43cce8b30d8b0691db5e05048a88af691a71be16d5938f59021117382aedec576ec28ec4374682ec985

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

    Filesize

    59B

    MD5

    13389dc924e5b123adc5de8b45bcb3c4

    SHA1

    5bc1cf796dd4d758c2b157c33b701ff5fe54d217

    SHA256

    c858ae4597d2901a0681f702f9537491a99ec70269ae2621f3bfd6ef04065e11

    SHA512

    dc9420428cbd246f1209f61723992e70f5de1ab83184a6d0c354584494485fa52ceacf8d32b35055d25e1ac75d9cf42011e0922572bba1c2269ffd311dbbb40d

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

    Filesize

    79B

    MD5

    dc0033b6e666b215573f8dfa098416c6

    SHA1

    9c231fb35704c4da275b4f17b8250fbb0848f6dd

    SHA256

    48902d53fdf682aec427574b1ec36b4545d279fe9c437bee52afdd6a22ea6cbc

    SHA512

    ffcf50cba9f1a06d1d0b93db9241de7809d787732dbd64dbb384ff4135db6b4b5646e69e18e7cc2b3398f57fed33d69b321542e061e1d863aa3acf30d77cdd9d

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

    Filesize

    68B

    MD5

    be425a3d880bcde73fc0276c92571e1f

    SHA1

    c5a1f118237ed335dac28ede00eff2db07f01c16

    SHA256

    bd6f74c850ae35d9016b1476c4b3c0715ac8e8b7a5aa63867da4d1aa7db462f8

    SHA512

    4538268db7c56e41192eb206236203d35121527257325f02317d84be5b41b8ac38c3fade53166f2fe84056d1f63f0f78c511df9a499619a196977c2ae8b324fb