Overview

overview

10

Static

static

6

db28ccb47b...7a.apk

android-9-x86

10

db28ccb47b...7a.apk

android-11-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    185s
  • 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 18:05

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General

  • Target

    db28ccb47b99aaecc23d55e99b1a79ecaac1bd1ea41a506d6fc19a715e034f7a.apk

  • Size

    509KB

  • MD5

    0694ed80224866b1e45c678b7a629c86

  • SHA1

    66c888e96d1e5ceb9253d92348cc19eaf0264321

  • SHA256

    db28ccb47b99aaecc23d55e99b1a79ecaac1bd1ea41a506d6fc19a715e034f7a

  • SHA512

    9be2eefa58fc7004d85560fca9989e448a218f9b4fe00a0e2713cd994ad1917234ed9b0f7926c175f33ef7bfd258c1a03659239cf76a3aec96bec6d494a3210f

  • SSDEEP

    12288:XXU0QWrL7NaXDplgWDlcIWHHM08QyiA5eNuzBrlZLti:00dEXgsZLN5rxrti

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.goremember1
    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:4256

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.goremember1/cache/ezejzto
    Filesize

    448KB

    MD5

    88f1f724916f241ae684b801a8dbbe4a

    SHA1

    298e25864e5ee0027ca99c048c6b67bfe46a57f0

    SHA256

    3812f58fd30635f80d7697b06a1bd1826faf30fecbf639b097632fabb03d9aa3

    SHA512

    f673896f4f2660ac25455a80a919d1ec0fa7acb75b0d28fa3ed8fc464ef99b4f0a642b9c950a467972cfb211f027ac4be5a0921606aeddf768fbe979764abce9

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  • /data/data/com.goremember1/cache/oat/ezejzto.cur.prof
    Filesize

    490B

    MD5

    e2b4c5956033c67030d830ebe2317464

    SHA1

    3965880b4991ab50ad0dc88e7d92b9d2461a3375

    SHA256

    f5e0bfb82177ec4989e92d9741368f5583e1e6cca58470ee585278c491a52cd2

    SHA512

    3743609a2ffa5ce258fcbafd26f7d35c889f991dfdd2f644a71d1b39be3837bee723e5a8ec1642f568e756dc0901e742799636bfb8a99e7e80a872ebaef3f943

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