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Overview

overview

10

Static

static

6

8a15fd5139...94.apk

android-9-x86

10

8a15fd5139...94.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    140s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    04/02/2025, 22:03

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General

  • Target

    8a15fd5139fae7eb32a59d57d8bfc3f3dc636bcac690ee2517072a34a62bb094.apk

  • Size

    2.6MB

  • MD5

    3e0fbdaeb731e84e39051276c87ec669

  • SHA1

    95ef0debf4ff194c48cc6e99b62bbfea493fa2b6

  • SHA256

    8a15fd5139fae7eb32a59d57d8bfc3f3dc636bcac690ee2517072a34a62bb094

  • SHA512

    842a1d8d0aafa6f7a8c7ec5b66294692b81d7a8b78fcae749aacd832cdac21037f3b10dc12847ac0608221bc9309a72626c520eada5e6a6fea72bf7fe9effa90

  • SSDEEP

    49152:7UopO7OzWS0urFHq8dKqB5VPyw9YZcqY2gjNMidFX0DVFRmjJVIPQWFgHjk+:7U+EOSSFqKKqB5xNqcqY2ghFFX0D/Rmb

Score
10/10
octobankercollectioncredential_accessdefense_evasiondiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://numberonegizemler.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerbilgilendirme.xyz/MzhiMTg0NTAwOTY5S/

https://kkcaneryolculuk.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanertarihcesi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerkesifleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanersahnesi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanergundemi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanersohbet.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanervizyon.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerseruven.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerpenceresi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcaneryorumlari.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerhikayeleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerplatform.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerpaylasim.xyz/MzhiMTg0NTAwOTY5S/

https://kkcaneranaliz.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanericgorus.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerincelemeleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerodulleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanergelecek.xyz/MzhiMTg0NTAwOTY5S/
rc4.plain

Extracted

Family

octo

C2

https://numberonegizemler.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerbilgilendirme.xyz/MzhiMTg0NTAwOTY5S/

https://kkcaneryolculuk.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanertarihcesi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerkesifleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanersahnesi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanergundemi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanersohbet.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanervizyon.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerseruven.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerpenceresi.xyz/MzhiMTg0NTAwOTY5S/

https://kkcaneryorumlari.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerhikayeleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerplatform.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerpaylasim.xyz/MzhiMTg0NTAwOTY5S/

https://kkcaneranaliz.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanericgorus.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerincelemeleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanerodulleri.xyz/MzhiMTg0NTAwOTY5S/

https://kkcanergelecek.xyz/MzhiMTg0NTAwOTY5S/
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.

    bankertrojaninfostealerratocto
  • Octo family
    octo
  • Octo payload 2 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectiondefense_evasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • 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.

    defense_evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    defense_evasion
  • Requests modifying system settings. 1 IoCs
    defense_evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.gown.dynamic
    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
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • 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.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4221
    • /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.gown.dynamic/app_about/liKogBH.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.gown.dynamic/app_about/oat/x86/liKogBH.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4246

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

2
T1628

Suppress Application Icon

1
T1628.001

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Credential Access

Access Notifications

1
T1517

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Network Configuration Discovery

4
T1422

Lateral Movement

Collection

Access Notifications

1
T1517

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.gown.dynamic/.qcom.gown.dynamic
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

    Download Submit

  • /data/data/com.gown.dynamic/app_about/liKogBH.json
    Filesize

    153KB

    MD5

    65f0eefa6838c9ef6be145c54ca5fcd2

    SHA1

    8ad3df8229212460089922b9debb43ac51b006ed

    SHA256

    367f1f4a63eeb4b2cf2b1741f10c3af8e9eb6d5da72e5b6e1d6ea163e1b90758

    SHA512

    e7626bfb13fe8389678abf82d776ccc1dd7c1667a1d373a5c64d6eb8866177a25e9fcc697578f5f8f14ddd19b3d82167ea2775db4c6c8ae9cbce56766a2c7d59

    Download Submit

  • /data/data/com.gown.dynamic/app_about/liKogBH.json
    Filesize

    153KB

    MD5

    1b6f90e2c2a0f58e86687148a908c525

    SHA1

    c105ffd04b7aaa77663a612d1643e814ba436dda

    SHA256

    7d33cb4aebdd938f9e6ff745fdd61e434e341bc00eeb48c89d1053ff0a48925f

    SHA512

    82642155c30fdaa8549883e9e6b21046249a5a8bf01b320911b95e38166ea3725a5f4ade10a0d7e057be91aedbaae04f98f70a6611b3e8d8c0916feecf617491

    Download Submit

  • /data/data/com.gown.dynamic/kl.txt
    Filesize

    45B

    MD5

    ba9ca4dd4b03519cd8800597bd253d0d

    SHA1

    1a3da8730aae77424adf515c50f9dad997065d87

    SHA256

    3a35f291c81506cbeee0017e7a9c91350eefcabf77fe52a78cf5c244efc079f1

    SHA512

    628f61be4b6f0a83447152adcd95cc9ecf6b1897f05b8abf92c8e93e809df654de66e0de12b68206b18715bded0e05a7358304f8e4aee68e3c2c2ef5e221c0b6

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  • /data/data/com.gown.dynamic/kl.txt
    Filesize

    423B

    MD5

    f7798e50cf687bae42cb2d7dab16de92

    SHA1

    792995e16f9d465c54fa2ca7ede394cdc1337407

    SHA256

    2db3bd4b95800029c3b02cb6f438b53fae3708896b80c3051a16fad242aa7f54

    SHA512

    b1958c6fd220d29c13c841ada33a6e91423d8812d5d21436a85e3fb9163641eaa264adae42188ae31b183703f8bfd2f31ff363aa429b040f0a4444745cab85dd

    Download Submit

  • /data/data/com.gown.dynamic/kl.txt
    Filesize

    230B

    MD5

    40ab82bb99fd5ae741ca690be71642fa

    SHA1

    664f3836201df15f26d1ad795dc3096ac351d142

    SHA256

    13c38927de83ea9d1aa9126fa4103139d1a0b2235e56a7df118d19d7c1dbfd87

    SHA512

    d741b9ad65613e788f642c3dcc5f4ec36d04006ae57f3ee2609dfc0ed7f497ba3030314a1e2bc3d9d3763830d0c166b1d99b38e830464001cdcd04b725a1493a

    Download Submit

  • /data/data/com.gown.dynamic/kl.txt
    Filesize

    54B

    MD5

    dfb92cce5fc7cb053057f7872eb0a698

    SHA1

    9e0a32557526c6ffc377d92950a27ab840eb67f6

    SHA256

    dfe095f8870181057598261d5c8189e498a0500e2abee44a24c3a68ad7849136

    SHA512

    dbfeb7ac12516f82b61308ae16ed58c23b823ec6e10a59b508c0cf804179c26753fffcc54f09cb055dac334045550e86aff8442199057675b5a860a305bb59d0

    Download Submit

  • /data/data/com.gown.dynamic/kl.txt
    Filesize

    63B

    MD5

    e30952c69fcbfeb61232a50d8de5506b

    SHA1

    8e7e7dc2580b7838784fe75ffc3a55dd6aadcc37

    SHA256

    f2d702712acb0c7c459ac80448dd96cdcb35cd5f83566ae9745fc56bcb891d9d

    SHA512

    c790706296ec6d83274127b6c22d23351426094e79a46f7d77891f129a908f8e472c78e9a9dedd45372893d3e76611b0a43a0408734d92f8b073c47b0b59cf00

    Download Submit

  • /data/user/0/com.gown.dynamic/app_about/liKogBH.json
    Filesize

    450KB

    MD5

    7fa591e1e0baeda66edea2f5e8845b25

    SHA1

    a932ac35e9a37cbc4eed2cd32faa3c7d65ab8910

    SHA256

    ff3bae60fb8d2c14649083a61c79f461a35d733e207ce6e708e4d2eb2e43cc88

    SHA512

    54352acbd7cafb68cf57ef087bed7fe7872c954c76e09cfc98c52eda3ad6c2417a2fb57899ef834285d0b4c61d69de1e1e116e3f8189cbd71b4a5beb524e2b01

    Download Submit

  • /data/user/0/com.gown.dynamic/app_about/liKogBH.json
    Filesize

    450KB

    MD5

    1a335041b8da548ff85ab1e2ed3f9fa5

    SHA1

    de723c0a424c85ea006fecae892d762b0c50f4cb

    SHA256

    0f3c30605891e1d314b6e17683f01108544169234781237fe8f2991c08ef8c74

    SHA512

    dc3d3623992f5cc0bbf29f48fb6d4be9a6bb4cabd84788ff9a25c0f8410a19fff89ea901afd089ecc10661cea82a6dee1e8d6c2c56935bb51a1065fe01fc1b5e

    Download Submit