Overview

overview

10

Static

static

6

8828451a6c...27.apk

android-9-x86

10

8828451a6c...27.apk

android-11-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    183s
  • 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
    24-06-2024 22:00

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General

  • Target

    8828451a6ca1421284bc43ee73c82c3b5d9b5fe0b1a82b3f069e088bff1a3527.apk

  • Size

    509KB

  • MD5

    5576f16a13791c8b66a47d75cacd35b6

  • SHA1

    4e16036f0316fb539792613549f80031f27c5821

  • SHA256

    8828451a6ca1421284bc43ee73c82c3b5d9b5fe0b1a82b3f069e088bff1a3527

  • SHA512

    711f892f45323b258a320e43b4791aaab50d2933978dc21d427b9973066e9f7257529b29a806d65e070d66913e619e3e70c3f2d4bc42948efd0c2d5cf5770e1f

  • SSDEEP

    12288:6snofTqQ9zwILpYgo872wcfAwQ5EqaRVoy+63I6eF:Ngl90DPwcfAEqOVoOW

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://mamudoilekeyfyap.com/YzBlNzk4NmVlZDA0/

https://mamudoiledostadogru.com/YzBlNzk4NmVlZDA0/

https://sigaracokhojdur1.com/YzBlNzk4NmVlZDA0/

https://günde5paketsigaraiciyom1.com/YzBlNzk4NmVlZDA0/

https://dertlikaygisiz04.com/YzBlNzk4NmVlZDA0/

https://kaygisizamamutlu04.com/YzBlNzk4NmVlZDA0/
AES_key

Signatures

  • Octo

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

    bankertrojaninfostealerratocto
  • Octo payload 1 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
  • 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
    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.veryhomebk
    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:4252

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.veryhomebk/cache/dlozukdkcdlom
    Filesize

    448KB

    MD5

    793ee547103eb96e8833aba64f943aba

    SHA1

    92686413256c41dc6e20e6477ab0ecf95e351dfb

    SHA256

    e5ca8077a7d0ddd4eb841d90fe3ac5b3c0003755300df30238a5078afbfdc25c

    SHA512

    5b69d2d6f5b1524c93d05204bb4b030b91c5d0cc579c73d91756716ce89e0265eb0bd876eb069d721c2f9e30b600a9a2ef5358665558b543176c0b07ab4d16af

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  • /data/data/com.veryhomebk/cache/oat/dlozukdkcdlom.cur.prof
    Filesize

    469B

    MD5

    c1efea6c1c4716bfd8a970b780d32062

    SHA1

    9c2906216175a774c9b827a9209cc5cb2bb87750

    SHA256

    019788507f5135fc4632699eed17ce308574410736fd3466c92285aff9dca0ec

    SHA512

    f7d9424e0dfdfce81571dc8a33b908e354f8476daf20d7fa6eacbaafac8a50963707b3c166683451ce671be4ddf48c972e40c6074d103785fb51eff6726d1243

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