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Overview

overview

10

Static

static

6

efec75b7c2...0c.apk

android-9-x86

10

efec75b7c2...0c.apk

android-13-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    134s
  • 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
    07/01/2025, 22:02

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General

  • Target

    efec75b7c27c6461db4ed6acb7a51d49780567b5136e8dd34e157d4ccbf97d0c.apk

  • Size

    2.6MB

  • MD5

    0642d3a5f50bde7207971a92f41ab496

  • SHA1

    40dab7f9de25082b1e7d98be7996b7ae9b6bea98

  • SHA256

    efec75b7c27c6461db4ed6acb7a51d49780567b5136e8dd34e157d4ccbf97d0c

  • SHA512

    54d5457e6b5e97993e4bd03507f8e8e716f66b3d84a0c19c11e44d615ce68267acc455f5d170eec10af249772a68671703127979b1565ac468a565eb344cc167

  • SSDEEP

    49152:tlrYyjKeY9CcmpT5u4Fs/YJIrCJhjv0IrcJEHgKs6MzlBno9cPDMg1rf5GRW7TVb:3r7OkcmptFryroVvbgHHoi7M0iW7RW/y

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://yesmincanruslane.xyz/YjVmNGU0NmNhODlm/

https://kaderbaglantilarindayanisma.xyz/YjVmNGU0NmNhODlm/

https://sevgikadervedostlukhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderseverleryolculuknotlari.xyz/YjVmNGU0NmNhODlm/

https://kadersohbetleriilepaylasim.xyz/YjVmNGU0NmNhODlm/

https://kaderinyansimalarindankareler.xyz/YjVmNGU0NmNhODlm/

https://kaderduygularivebaglantilar.xyz/YjVmNGU0NmNhODlm/

https://kadersevgininkalptenhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlukvegizemlianilar.xyz/YjVmNGU0NmNhODlm/

https://kadersozlerlehikayeveriyor.xyz/YjVmNGU0NmNhODlm/

https://kaderlerarasisamimiuyum.xyz/YjVmNGU0NmNhODlm/

https://kaderduygusalbagvetutkular.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerinrenklidunyasi.xyz/YjVmNGU0NmNhODlm/

https://kadersanatisozlerdeninsanlara.xyz/YjVmNGU0NmNhODlm/

https://kadersevgiyletasanumut.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerpaylasimbahcesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlarivehayatbaglari.xyz/YjVmNGU0NmNhODlm/

https://kadersanatinrenkligolgeleri.xyz/YjVmNGU0NmNhODlm/

https://kaderinhayatdolasimbirligi.xyz/YjVmNGU0NmNhODlm/

https://kaderinsadekalptenyansimalari.xyz/YjVmNGU0NmNhODlm/
rc4.plain

Extracted

Family

octo

C2

https://yesmincanruslane.xyz/YjVmNGU0NmNhODlm/

https://kaderbaglantilarindayanisma.xyz/YjVmNGU0NmNhODlm/

https://sevgikadervedostlukhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderseverleryolculuknotlari.xyz/YjVmNGU0NmNhODlm/

https://kadersohbetleriilepaylasim.xyz/YjVmNGU0NmNhODlm/

https://kaderinyansimalarindankareler.xyz/YjVmNGU0NmNhODlm/

https://kaderduygularivebaglantilar.xyz/YjVmNGU0NmNhODlm/

https://kadersevgininkalptenhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlukvegizemlianilar.xyz/YjVmNGU0NmNhODlm/

https://kadersozlerlehikayeveriyor.xyz/YjVmNGU0NmNhODlm/

https://kaderlerarasisamimiuyum.xyz/YjVmNGU0NmNhODlm/

https://kaderduygusalbagvetutkular.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerinrenklidunyasi.xyz/YjVmNGU0NmNhODlm/

https://kadersanatisozlerdeninsanlara.xyz/YjVmNGU0NmNhODlm/

https://kadersevgiyletasanumut.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerpaylasimbahcesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlarivehayatbaglari.xyz/YjVmNGU0NmNhODlm/

https://kadersanatinrenkligolgeleri.xyz/YjVmNGU0NmNhODlm/

https://kaderinhayatdolasimbirligi.xyz/YjVmNGU0NmNhODlm/

https://kaderinsadekalptenyansimalari.xyz/YjVmNGU0NmNhODlm/
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.

    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.reopen.forget
    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:4372
    • /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.reopen.forget/app_question/iOQrsaa.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.reopen.forget/app_question/oat/x86/iOQrsaa.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4401

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.reopen.forget/.qcom.reopen.forget
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

    Download Submit

  • /data/data/com.reopen.forget/app_question/iOQrsaa.json
    Filesize

    153KB

    MD5

    c3e59cffb60345b22aa346411acb2385

    SHA1

    98c21411bf1bffbb7e67fbd1d9b21412b0014531

    SHA256

    ecfefb650e41d7f1f0253406b56b7c54049d6f61750e95f2e7d425988bfeb7a1

    SHA512

    93ccb93b18cda8a548249c30dcfa2daab3a055fee66378368db9fb5bf93a49233d9607115b8265bb309979512b6a8d9708def28c45843c7a410f7f3db5817bd9

    Download Submit

  • /data/data/com.reopen.forget/app_question/iOQrsaa.json
    Filesize

    153KB

    MD5

    b4dfd2860b293bb9fb3479fe0d45bc05

    SHA1

    c097cd935ce12e775f93618341cc992bc12ca35c

    SHA256

    7552e641ec873169e8a4087461e384b76e2d67fdf90144f1da425b2adc3aa346

    SHA512

    633c2ad0e317cb90111accfdd1be36d56359da8b54e53b0293cb6219e742728fdbd17d4aee7dcaff80263b6d44d5ae7ee0d6c6486fede6c2205252fef2749d5a

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  • /data/data/com.reopen.forget/kl.txt
    Filesize

    45B

    MD5

    1b2def3796c15f1aecaf9a82bbf7f4ef

    SHA1

    901f7d991bf696726a5d53a3335933d86c58b8e9

    SHA256

    61b8ee19629aa48848aeb739057219b4bdb614426e0c128d0f37cea21b151b9a

    SHA512

    29aea6c8d90aec96b287ec9f7595b510e456046c68043defd09c9eb7ad2a03d4b05e91cd9de406bcdbee1541330fc5ea0cb2b53da851bb2743f9d3af14f641de

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  • /data/data/com.reopen.forget/kl.txt
    Filesize

    423B

    MD5

    6bc427453bb6e2c30b58ec1fff813521

    SHA1

    1496f07c2f8566b9bb91080e043566620db1678d

    SHA256

    c5b4cc33e1c919c7a7213fd71182f1f5f425271f9ba195bbab623da4c32ead97

    SHA512

    7c69e987ee694e53a96d387493dff6d342b7be1f1453567c72f9bf1d6944541adfdc6ff3ee7a2d45b455bd81fccbb2eb1873c35924cfc8aa16f199a4dc75a1ac

    Download Submit

  • /data/data/com.reopen.forget/kl.txt
    Filesize

    230B

    MD5

    2f6f03960c77fda670ef65893572a053

    SHA1

    697e4915dcff13a6f07f0ba57a733ceedbb1cf99

    SHA256

    a5c529d45a3d281797fdf06eb64423b42f7d24ff275d3141b51b41ce4e983cc1

    SHA512

    a97ab128f86d5556ed8ccbdb0b0972c8a6517485c225cdd63da592e3ba733f3c2fc7e25fe8f0c8e1775af2bc904c3ced1c1a58b6a63b8e42128b08129c2bfbe2

    Download Submit

  • /data/data/com.reopen.forget/kl.txt
    Filesize

    54B

    MD5

    41905bbd6edf4c51bf304d85e39ca9e9

    SHA1

    685a682bebc577c5cbc5e37011bc65557ccea7a2

    SHA256

    824230a8d4daa829231c4006bd44b535e7acf8fef1d140f7e09dc93d003d64e4

    SHA512

    ac2fa418847c4c7dc0b4800e1cb59b09c52f91cda4c740d81f1ee7781a20db70e3e2aea422ef74a0fb0f38654f021c1eac51a9ba77a3a2d471490ef9e438cf94

    Download Submit

  • /data/data/com.reopen.forget/kl.txt
    Filesize

    63B

    MD5

    16b618cb92b85afed731966d122e4df3

    SHA1

    2da7c8580f6f11efedbce37ac10e297d3082cd6a

    SHA256

    6a89b8d7ab8ad1e48dc0faab1dd1c48e1d7abd3d618eb23a2afc3d4b0a4427f0

    SHA512

    0c0e942aed1a35a4e36d0886a6c4117bc4c02184f20f3a2255f198bb34bd7b0cf7665dc08c15a990795f421773e199270d6025b0ae22a399534e3fec0b1a2dad

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  • /data/user/0/com.reopen.forget/app_question/iOQrsaa.json
    Filesize

    451KB

    MD5

    dc2f8c5f88fcdbb4c56367af6ef46039

    SHA1

    5050a8c3df11e577daa47ee82e4d23f35add721e

    SHA256

    91267817871dd34b4f1235af4319765e4dde1aa5260beab82b19d6628583afcc

    SHA512

    f15f82bb7e8085e9698b5b10c79d47fd9b6dc02a2ccdbd67b449260a3f0fbcc6b13ab40dfdd1c40aec01c1f05d8d464daaed0cf4210df24386e13ca30b14ea05

    Download Submit

  • /data/user/0/com.reopen.forget/app_question/iOQrsaa.json
    Filesize

    451KB

    MD5

    d80a8e6f7ded13fc5eac7f9c4e9a6677

    SHA1

    a108d828f84c4ac1ddec57361dda74996b1bbd9e

    SHA256

    a8e567c5ac65efeca40f75521764fd36b582a18d50fb39f26acbda046030346f

    SHA512

    56e88993799396d4f0e93a73623f695d62a6c24c25a0f6544f89a937bf0f4c02352138c60e3de53763473eb90cc9f04f32412edc8600e037880f50e72a307f9d

    Download Submit