General

  • Target

    3cbf38b7a9fdda0466546a528d2d80d869016f36a86f634f2a8363b921d0392c.bin

  • Size

    509KB

  • Sample

    241003-1y111ssenc

  • MD5

    d1217a871994848b44511a6507707ed5

  • SHA1

    ddeb0e80d9ce88c00b7feba84cd8c9c1a04db149

  • SHA256

    3cbf38b7a9fdda0466546a528d2d80d869016f36a86f634f2a8363b921d0392c

  • SHA512

    7747964b86985835257e9457a70bce276111acd9fcb640fba6e1dcf78e22aea996a457c658a3858425e63f962694633fc57c746461107dd2740433cbdcc48a34

  • SSDEEP

    12288:o+HRI/kfzSdiO8jhdfGS/3DXhXzKE1Anub:jHRWkfedilJpZknU

Malware Config

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

rc4.plain

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

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

Targets

    • Target

      3cbf38b7a9fdda0466546a528d2d80d869016f36a86f634f2a8363b921d0392c.bin

    • Size

      509KB

    • MD5

      d1217a871994848b44511a6507707ed5

    • SHA1

      ddeb0e80d9ce88c00b7feba84cd8c9c1a04db149

    • SHA256

      3cbf38b7a9fdda0466546a528d2d80d869016f36a86f634f2a8363b921d0392c

    • SHA512

      7747964b86985835257e9457a70bce276111acd9fcb640fba6e1dcf78e22aea996a457c658a3858425e63f962694633fc57c746461107dd2740433cbdcc48a34

    • SSDEEP

      12288:o+HRI/kfzSdiO8jhdfGS/3DXhXzKE1Anub:jHRWkfedilJpZknU

    • Octo

      Octo is a banking malware with remote access capabilities first seen in April 2022.

    • Octo payload

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Makes use of the framework's Accessibility service

      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)

    • Queries the phone number (MSISDN for GSM devices)

    • Acquires the wake lock

    • Makes use of the framework's foreground persistence service

      Application may abuse the framework's foreground service to continue running in the foreground.

    • Performs UI accessibility actions on behalf of the user

      Application may abuse the accessibility service to prevent their removal.

    • Queries the mobile country code (MCC)

    • Queries the unique device ID (IMEI, MEID, IMSI)

    • Reads information about phone network operator.

    • 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.

MITRE ATT&CK Mobile v15

Tasks