Overview

overview

10

Static

static

6

6cba72fb7e...d3.apk

android-9-x86

10

6cba72fb7e...d3.apk

android-10-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    184s
  • 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

    6cba72fb7e59344f77cf8c9c8a0cf7ee193f1def9dbd03d1c2d12288171b00d3.apk

  • Size

    509KB

  • MD5

    9034e0b55e3a7c5bfff150b56791074e

  • SHA1

    4560c36f30c9fbc0619a16332a179c230afe9a07

  • SHA256

    6cba72fb7e59344f77cf8c9c8a0cf7ee193f1def9dbd03d1c2d12288171b00d3

  • SHA512

    33d50564cfa3a4e82b6a2ebcfda9cfb20876b5211129aa2baf7983506354542158f664bbd4a41fa842dec0dd963095568465792c7863524fe241b2e892d90989

  • SSDEEP

    12288:Y8IufVKeK7Id+E6KItCkl5iWpk65pdyCQG/ONu45k:qItKQ+1ftxmW2+EzNDO

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.twowantjtak
    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:4258

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • /data/data/com.twowantjtak/cache/mafukvvj
    Filesize

    448KB

    MD5

    b664908101212aa74d11d70714dd211c

    SHA1

    b5a681d46f7665df2069a2d5cdc7e2f4e09ae1a3

    SHA256

    2d73f38d4010647d13e7abdb33aebb0da75a619b73e7957955a3bf25656527a8

    SHA512

    4f50c9b1e68ea4df91102bc0d8bf336e6f55a1ed48fa0f4fbbb8b08279adfa99cdf2936844943415a9cf255bc47a0324beea95a4128b2af8cc983c59da830da5

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  • /data/data/com.twowantjtak/cache/oat/mafukvvj.cur.prof
    Filesize

    463B

    MD5

    36dd52cd66c068aaa0e09587df21c0e0

    SHA1

    24af7cd4c450ab9664664b709004bf4029065247

    SHA256

    8c68931e9ae213a26daf14fb3a3db040387ea43c11ff235e9efe703ce6db6b4f

    SHA512

    d9bfb3bcb7f369959a9bbb2344f014ad2dcea73b9844810bb173cdef39f84a62fa3eea6737c4c393a494c53e356f2ed98af9d5b05e4688a45524a75b5abb8438

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