Analysis

  • max time kernel
    33s
  • max time network
    142s
  • 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
    17-02-2024 22:00

General

  • Target

    6ebc4c04ac31d098766dff9f173c7324b40935d40de0e0fb7def975e6e43dc3c.apk

  • Size

    541KB

  • MD5

    baaaca4562699eb948783142511d5201

  • SHA1

    c0c546b47824370f808bbe2fa40e3c4ce00fc2c1

  • SHA256

    6ebc4c04ac31d098766dff9f173c7324b40935d40de0e0fb7def975e6e43dc3c

  • SHA512

    ba1f9668977e13c8a71f136b786c299a3d48a4077d3c885477e33815a5ca2ee0a8cef321d3284be8f86a9fe796aace8763055f5c509690f7ef3d5dce187d9c5b

  • SSDEEP

    12288:H34vKjEzLwnxMn7zxqv6fV/8eMmFs7w9EAoXtNVJnb:LjEHwnSnXoifV/EmSbbnb

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.flyserveyf
    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:4239

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.flyserveyf/cache/qcjsrjl

    Filesize

    450KB

    MD5

    6d389b3aeac1e3677aced7a5472eb8fb

    SHA1

    7eb72d47e6da4c102127be15b34baa6ac288115b

    SHA256

    0f6ec5444a072c86dedc8d78611e411623f45407beaa5684a412c19b506b66c2

    SHA512

    353f869eb34a22fa46210bceb2406db409c61681f63a29e396728bee003093d69dad7b663fe7e7a2baac3cd4296f0417e6b20e33e34d8ef3cb3780fa1acc9f35

  • /data/data/com.flyserveyf/kl.txt

    Filesize

    230B

    MD5

    402db222378cf2adbcbad198c43a4850

    SHA1

    afa071e4d256958bf014a226ad5131c41009b0e4

    SHA256

    8b75d55e5bdbbb2e04c6bf4abb08a89cdd04bbeba69cde718779af953590e6d4

    SHA512

    2eff0e916e02051d63d9aa9494ce320931e456448ec61d77b4ce0ee7e43a85bb80dfa4ebf3c729705b44d0c1154db91474397ecf967e460607afee9e1dd4c765

  • /data/data/com.flyserveyf/kl.txt

    Filesize

    54B

    MD5

    948e8ea2cca787445e79cccce7e87aca

    SHA1

    ec2392056f222077a4d07a8cced8d447d926d371

    SHA256

    f08cec66ffccad2743a743a1d2ef64fe1cd0df9d471dad68dfddc11207b5ec3e

    SHA512

    324dfc6b653918e6b52be14b680573d4fb327e7300d544228c799a1ae6aea88e826b22e2e98eceb1840069032b0718117d8426bf233c71c105ba2912034a792e

  • /data/data/com.flyserveyf/kl.txt

    Filesize

    68B

    MD5

    174e4693ebede5ba0542e98f39625861

    SHA1

    26a1b977291bd7a4408824c4c26a8368dc9e9c89

    SHA256

    d37e74d5900602d42dc3f1914db3eed06f2c7d580fccd898225ed790216857e0

    SHA512

    5ca5b205f2f0e82a9839b556a972a1bdefe65900f19b21ac557c4fcd1b3797e45c56feb3efd23b7bfccaa9674c2abb68ae509fc481022484bc5ddb9b53e74712

  • /data/data/com.flyserveyf/kl.txt

    Filesize

    63B

    MD5

    c60b1ba9ecb8f3a8f591fd5a3a9c2fee

    SHA1

    186b18eafcdec09adf46fc1fda24c8329f4ec770

    SHA256

    f2d439871af050bafd5a850afa74a526850c51e9e331a94e3d01f04f1f8b0882

    SHA512

    3340639635b11799ba6cfe7bef45f4acb333d1e1f397bf65fdbf0f4096d980f75a901acedc4fe845d5c2c9408dc8ec3c1569cb5fbdf9baefc1bab81222d8ece7

  • /data/data/com.flyserveyf/kl.txt

    Filesize

    79B

    MD5

    227a83d6f040c8700e0bd39e4431f393

    SHA1

    65db4b3a2e62fdb5efd28508786523c0e0b8e3b8

    SHA256

    c69d7b4b7355496e368abea1de6d9449c6fa98f48c1a50ed0360623f463f5528

    SHA512

    8f1baf4f8b6ee329f24e676f55d4b8d157c6fde895c96a60a474b01944063484973873e8b221c48ccb2629700bd44f5c0c2716b0c7d07ec63d9a632fbe0757f4