Overview

overview

10

Static

static

6

d66c18488a...f0.apk

android-9-x86

10

d66c18488a...f0.apk

android-13-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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
    04-11-2024 22:08

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General

  • Target

    d66c18488a8a2d94db568c825356f4e6a745a3ecbdb455a1eb041e5afc7c7af0.apk

  • Size

    3.7MB

  • MD5

    dfdabb265efc9c26be5289c511511389

  • SHA1

    c387798871a19fd5e30a9feca8b60bf41106af50

  • SHA256

    d66c18488a8a2d94db568c825356f4e6a745a3ecbdb455a1eb041e5afc7c7af0

  • SHA512

    6a657dfc1d04f9cb827a4a49c9dbe3685c2c003865518a1e60cef21e5d6ed740dfc2855d304b3fa97e9f62ba0eb91bd5b8eb2755c2dfa95b4b99773997f782b0

  • SSDEEP

    98304:2tn3RxevmLuYCblpR/dOZu3krc6rdo0Ku3l:+nh5L6bOYkc6rdo0L

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://malkafaniskm.com/NzY2NDZkZmViYjZj/

https://fukiyibartiyom2.com/NzY2NDZkZmViYjZj/

https://malkafali222.com/NzY2NDZkZmViYjZj/

https://oyunbaimlisi35.com/NzY2NDZkZmViYjZj/

https://mal1fukizmirli.com/NzY2NDZkZmViYjZj/
rc4.plain

Extracted

Family

octo

C2

https://malkafaniskm.com/NzY2NDZkZmViYjZj/

https://fukiyibartiyom2.com/NzY2NDZkZmViYjZj/

https://malkafali222.com/NzY2NDZkZmViYjZj/

https://oyunbaimlisi35.com/NzY2NDZkZmViYjZj/

https://mal1fukizmirli.com/NzY2NDZkZmViYjZj/
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

DES_key
AES_key

Signatures

  • Octo

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

    bankertrojaninfostealerratocto
  • Octo family
    octo
  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 5 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.

    collectionevasioncredential_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.

    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
  • 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
    evasion
  • Requests modifying system settings. 1 IoCs
    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.easemusicuysf
    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:4224
    • /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.easemusicuysf/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.easemusicuysf/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4248

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

3
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.easemusicuysf/.qcom.easemusicuysf
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.easemusicuysf/app_dex/classes.dex
    Filesize

    3KB

    MD5

    a378f414ddf9ea54cb3ab625c14861b7

    SHA1

    cc48aafb0800a288431d2b6ac794c5a7a2e2aa76

    SHA256

    e64b590882774ddc37d0be677cfeefc036014c7389c24673a1afc3c0cadb2651

    SHA512

    cdb4018b39a98ea1ecc07d1f420628493b259d7f983d96697832bba0c7481b91124329ef601ed3222f9fe5b99fcf9cad442fea5399b30e81c735d8e2f8b4f469

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  • /data/data/com.easemusicuysf/cache/classes.dex
    Filesize

    1KB

    MD5

    578af095777e6e521a781373823c1c20

    SHA1

    20e4bab2c3d83093e4f9ac673533c6e97b71812d

    SHA256

    ecac6bf04d74e2662d5e9068ad2db7d8c9ab74712ca2ee4bf2ec6a284548e3f2

    SHA512

    6c4aaa3fa722b966ba5f2e64231222822e0e909910c645eeb2b4ebf34228530aa1c4941bdce30fdbf5bb90fe4f5aa69fab4b2ca416544559b7c540002c18fb76

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  • /data/data/com.easemusicuysf/cache/classes.zip
    Filesize

    1KB

    MD5

    422720156377be3fc4c4d237f1ffadc1

    SHA1

    c210ba897d2b1afff2e8346f7b193f3dd1de898c

    SHA256

    e736c91b87329ebab702f5d01439c1ac645220e30dd0f954fee63269fd870bdb

    SHA512

    3a41984372a2c2f3265ec5ffb4fc6e2b92cbf6c43bc2652b9f71620ca05ae9e3a8eba010884523ae23f18ba8d8bc88bda17880b89ae16ca3738c9c379ffc6a01

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  • /data/data/com.easemusicuysf/cache/oat/zypje.cur.prof
    Filesize

    461B

    MD5

    7297a81c15f7f7145db9a6551c8b20fa

    SHA1

    179e63e274a0c1c08ccc6b33d64cd06efdfaab54

    SHA256

    47e622897e9bbfb2d0fcce926b9e6d3c5fc36f7be904f1366e94fe7955cbaca9

    SHA512

    a9ed6c5e6ea2149264229a472fe4a4849cf2c42f716780e4c9f4ccdffdc5912032cafd357f521f027fff49610e98469ec3cfac0d62218f9f5936899b2abedaf1

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  • /data/data/com.easemusicuysf/cache/zypje
    Filesize

    449KB

    MD5

    0524093ee449af099d4ec320c3d89719

    SHA1

    749505996e6e27dce27df6544c9150354d227557

    SHA256

    8175abcf8a344d1f237356b46f62731f72bbb1827f060ffefc387642d322cf9d

    SHA512

    5a3a3f097934fb6108337060f1928f2e35fb40ead7c4706481214d15d742b5c8e61ced5b17888bd1d0090e88bcb23b7ddc5b6bf00548bc97a32f8e425b9dd72c

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  • /data/data/com.easemusicuysf/kl.txt
    Filesize

    237B

    MD5

    8bfc2c2a0fcae1f6594d99c86fabf732

    SHA1

    cc1ea18191e346428a6d0cf40d2f7d4c45ca486d

    SHA256

    1259fcf255a995f5fb47b27ee8deeb7810de9acd69e58aaf1dda5bfa879d4917

    SHA512

    346500615722775b4a6f00593aece9380a05178afa9cee75209a23c7dc3d7b54cb60ada745e69da5312b3c66003d5df5cdaa3cc09ea8bf8db7f244897b44201d

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  • /data/data/com.easemusicuysf/kl.txt
    Filesize

    54B

    MD5

    4bb378a697df6b4f74f7fbaac78ffa3a

    SHA1

    91c4c34a0807d674a651ecc3d029c151b3d1b82a

    SHA256

    f8522a5bc9afcde814064829e462ad4ba591f040feac121010006a45ad65e272

    SHA512

    034f6d7386d9fd8890d8c0cf8b191fbfdd062e0a1685456ea882c0342148a5bf61a3e9c4f83b43145b6ee99303320e142a16beadaea3a7d07f35b01e0d72ed99

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  • /data/data/com.easemusicuysf/kl.txt
    Filesize

    63B

    MD5

    4303bae76648b746717ab06d27a71cf8

    SHA1

    fbe3cfb5c92f73636cb4e4fec7d0869f0a002de7

    SHA256

    fdc6b77a3d0d3889fca482251b198490902e7f3c6c7ef90562a6830a854d0312

    SHA512

    f70dd70edfb83ff5b31865e8b8e0ffd9e7533bda00bb0e7fc9375cc62090c44944a43160dcc93f268aff0af5915f7925b66da33cc4c07cd7645ddeac7fb24836

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  • /data/data/com.easemusicuysf/kl.txt
    Filesize

    45B

    MD5

    5a9fd9f1bcb6a0d7ceedc7aa3b1b450f

    SHA1

    038d58b2635d4024f94c1e86e8290c441e8dcbf9

    SHA256

    dbb100af3952f10af2b92c0695e1ce0396791d5f85da23b8916eb78f82e66e03

    SHA512

    c98422c148e8763bb4c3a5b18352df1d1bbd512a7fd173fda8a114994388247b1bc069bfdddc87643b02ad0b750d5da40f0558247d557353673ba1559c268314

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  • /data/data/com.easemusicuysf/kl.txt
    Filesize

    437B

    MD5

    f43af3053547ed4b0bcc5fff920d7a8a

    SHA1

    cdb20f1f91ca9a81a1381b98478ee69c9493135e

    SHA256

    181b177853629bdeecdd39b0c0aad06c064ffeda682f50fbe0013a3d3ec137f5

    SHA512

    ad1eb7068f5e2c6a380c053cc9b914eb14f4911a12bd52deef1fc05582dd175269e13d695f086748067363d2702fbd75dcdb491fd6cec658e5bbea7555f7c5fa

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  • /data/user/0/com.easemusicuysf/app_dex/classes.dex
    Filesize

    3KB

    MD5

    376d5cf9a4b4763290eda61f120dde9a

    SHA1

    98a1890a2e39d22c8bd6658cabdad586f053b23f

    SHA256

    bb2b3f3750840303f9140f9cafd890c883d6e03a65432f098369edf83abd0cd7

    SHA512

    53e79b9b16be7a275ac7d6ad803191f7944f2e123098168878906e8507c9e1af3e106dc57385bab019d3882a818be2dffe671525153e226a6d35794d1be14b1e

    Download Submit