Overview

overview

10

Static

static

6

a8cb6c8141...84.apk

android-9-x86

10

a8cb6c8141...84.apk

android-10-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    182s
  • 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
    28-06-2024 22:00

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General

  • Target

    a8cb6c8141982153fc69810ca043a2a26bf5ba9c936db49a4100e0d20f61d784.apk

  • Size

    509KB

  • MD5

    8d56147690a0f180f70ea02432b5c45b

  • SHA1

    237a6cad8dfe616172085ec50dbedd5c2dcaddb7

  • SHA256

    a8cb6c8141982153fc69810ca043a2a26bf5ba9c936db49a4100e0d20f61d784

  • SHA512

    351a668b98508a2518d8dd791ca9f4b9341009a2bd49e1d4ed305e83d769f4971ac549642a872ca6ec9266ad71ac655cc67af3cb95c9a9cf5b884c1eca2480e4

  • SSDEEP

    12288:hMp7/67iZ0yOm/lQvkZhs6rfBtFhH3D2EeL8aLnn:JFyOm/HrjNhqEeZnn

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://adisback.com/OGJjM2YxN2U3YjBl/

https://usomusikiyorumlaan.com/OGJjM2YxN2U3YjBl/

https://cocacolaiciyorumm.com/OGJjM2YxN2U3YjBl/

https://apkmiacmayinlen.com/OGJjM2YxN2U3YjBl/

https://hastagapkamdanuzakdur.com/OGJjM2YxN2U3YjBl/

https://apkmikimseellemesinn2.com/OGJjM2YxN2U3YjBl/

https://colaicmutluol34.com/OGJjM2YxN2U3YjBl/
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.ourpaper00
    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:4222

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.ourpaper00/cache/bqxbgmequoac
    Filesize

    448KB

    MD5

    1c4b188533d98f029513af3ff17d2faa

    SHA1

    0fe8baa58c3f426aa8411d912703fe4c57ed38d1

    SHA256

    e6309db9f159386b8a3ef094071a646008208ac431059846d6cc9904761a4c91

    SHA512

    223805c8f7ab977cfaa9a5775a8628e21c66e5e241da4ffbb7621778ce4e25acf2e694b825d8b23636b38e9a3039a3c467a8cfe5ee7648982520b89c59419213

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  • /data/data/com.ourpaper00/cache/oat/bqxbgmequoac.cur.prof
    Filesize

    460B

    MD5

    46a83d207d8f837d5a104bd63a0aba1e

    SHA1

    133434d8c243aa28c5f89db0beb23d4d609fe2cb

    SHA256

    580dead172030285bf1e289cc518865b9ff85c2e9d5d587a7d873a1224b06a8a

    SHA512

    cff11f502830e5b09dae052ea13c0adf083db9586f47541bbdb33b9af1b0c82859b1f2898e8961912a87a96f2698a5c3a31f6ff2982a89b7387518712caf9419

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