Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    21/03/2025, 17:29

General

  • Target

    base.apk

  • Size

    8.7MB

  • MD5

    5e4662fad6321382f1f73951bec27d97

  • SHA1

    79001b758ba59243295d33762852406b7837f59f

  • SHA256

    30e2f875c50388f2a894f6654d7a7267df87e9130ea380c43741816387d50b9e

  • SHA512

    ca79b06e170ab2d4a9cbcf1a6b4a522f2b94ac69a95746488f64e937038f48a9de817dcec9776031ca212735ff71fdde492b1dd7fce8055952fa216cfe675a03

  • SSDEEP

    98304:PNJvfpEQ5iSRG39/Rs8CVKKMocJj7/47b/ZKDoFR61/GP85GPqh/YT:nr0/R0UUCj72/ZKDwM+Dqy

Malware Config

Extracted

Family

octo

C2

https://607dae82005e2a245bc946ad9f66c14d.top

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
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key
AES_key

Signatures

  • Octo

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

  • Octo family
  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 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 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

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

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests enabling of the accessibility settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.pcloud74bookmarksconnect
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • Requests enabling of the accessibility settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4412
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.pcloud74bookmarksconnect/app_waste/koF.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.pcloud74bookmarksconnect/app_waste/oat/x86/koF.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4439

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.pcloud74bookmarksconnect/.global.com.pcloud74bookmarksconnect

    Filesize

    194B

    MD5

    02bd9744c3fdefb07f727e43f6ed3ed1

    SHA1

    d04c7e34eb28a34b75917c7f74b591912b810583

    SHA256

    44191dfcc2d33febd0d4cde3b1813512d5271c4c32e08e2b57acc82fd7c3f74a

    SHA512

    b174aedaf1360ece27417f84b1ae39ca68d861af2a65719e083b81d1c36359e7260c5508fe2407682292e4c7fcdfb52369f236999df3f44b09e0ea1a93c42317

  • /data/data/com.pcloud74bookmarksconnect/.global.com.pcloud74bookmarksconnect

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.pcloud74bookmarksconnect/app_waste/koF.json

    Filesize

    1KB

    MD5

    1c4be92c12e60c274bf9fdba8b4d3e5c

    SHA1

    985ba7f82dfca776219dd3e1c0be8ec7cefcd619

    SHA256

    b1d2e4806beef707594af5aad00d29415d9379b194d227ac56eec3f9d842bdb0

    SHA512

    3b80f3dd43126f13d5eaf6ba499bbbfe48cf817193244d20ebc4abe9ab56c8502eb1d9126075450e60b7ca9fc9dd9f918aac71148037fd88d84a164db92e667c

  • /data/data/com.pcloud74bookmarksconnect/app_waste/koF.json

    Filesize

    1KB

    MD5

    1086d058b2db0e87156e9fd384979ce5

    SHA1

    032100240904b3ea43a923e4bcc44261ae433888

    SHA256

    494845baae55df8ccb22a32c17069827bce3647ad311089e5673a96890f69880

    SHA512

    581fbcdd34374bd045300ff42a9f903f2c14aaa3525dc0f8830e885f9c1d13149c8e1a94a41257014f23a640bffff152c80767329d3e652fd11024832e80ae5b

  • /data/data/com.pcloud74bookmarksconnect/files/.z

    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

  • /data/user/0/com.pcloud74bookmarksconnect/app_waste/koF.json

    Filesize

    1KB

    MD5

    1614ca87c1b056e623500334b0ac04b7

    SHA1

    a43d9a14476b41ad463b988b166369f0b13aa544

    SHA256

    1b66bc13da81b8b6800bcc8b7bffab3fa016f1c05b2169db6b78d7476db3fb0d

    SHA512

    a69d35b50c92c58cdf9e0a0d82767c4d5ef3c2afe1b4ee05e4d690bb93f881b357f64fc02a017f722ebe89468c9fc77d0a635129082501a6b39cbd8c4836af3e

  • /data/user/0/com.pcloud74bookmarksconnect/app_waste/koF.json

    Filesize

    1KB

    MD5

    cfc16e6462ae431c0dfd1e9915cbbd43

    SHA1

    7c9f42ab2560042f4c728db366f94d037ef22e25

    SHA256

    0161f975e1de25cbe4f392fbb40743ee383f4b14ce7058d24cf5e3de54fbecb5

    SHA512

    14dea3e32ade9ae42be160c645e6360bbed2e8e4346c9b2c7e44b76f7a9e5b4c4fea39123d73baa0b3a816f814bb07e45f9b07c2a38c4f2d9e5a26501fe966a4

  • Anonymous-DexFile@0xd4176000-0xd41fa528

    Filesize

    529KB

    MD5

    cf7997e1a2a7941a8e0fca86b20b2bb8

    SHA1

    19ef456b3e6938fcc191104e59652ea251cb96d8

    SHA256

    8ccaa1974b499a1e36833ad7587a914bf320ac375125131bf898578644a50958

    SHA512

    ba88ed5adcab43a4fa3059a651b0a99102d30692258e5265b83f5e8bc7fac9cbcd3fa022d33d33f2c995a97c25d01c32088fc3105e2c92b6d4b96a623b3988b3