Analysis

  • max time kernel
    35s
  • max time network
    151s
  • 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
    07-07-2024 22:00

General

  • Target

    08108c842177fe3d03cae7e55a486ecb62789460f5ef61ceae168719d39ce380.apk

  • Size

    541KB

  • MD5

    b2d9fff5353ebb2d8f8eb441faec65aa

  • SHA1

    2d40bacb7fd72b629e9228634bd08edf6de1ee58

  • SHA256

    08108c842177fe3d03cae7e55a486ecb62789460f5ef61ceae168719d39ce380

  • SHA512

    3c29147e9b98f8a74e748f18cd2f0a686b262617708ba33a074d634f520bd4c633d39de9376fb9f151b99b88d29c419db49d95fa6c3c7cad2fc1d6da06d233c8

  • SSDEEP

    12288:m3znp+FW9M78dWwTwyjTAycUv7k+MN+JO7Fi7rri0ChiP3in9:m3zIFWGeTAycUu+sOyhhq3in9

Malware Config

Extracted

Family

octo

C2

https://gameernoktasi.com/YmQ3ZGNjZGFiZDlj/

https://gameernoktasii2.com/YmQ3ZGNjZGFiZDlj/

https://gameernoktasiik3.com/YmQ3ZGNjZGFiZDlj/

https://gameernoktassii4.com/YmQ3ZGNjZGFiZDlj/

https://gameernoktasikici5.com/YmQ3ZGNjZGFiZDlj/

https://gameernoktaassii8.com/YmQ3ZGNjZGFiZDlj/

AES_key

Signatures

  • Octo

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

  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.callyoungfj
    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).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4257

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.callyoungfj/cache/rzhsuxsnxw
    Filesize

    450KB

    MD5

    21a146560a8c549e4d717201116fdf9c

    SHA1

    9916260962f36573e40bb8795e3705ef46a3bbf4

    SHA256

    fab95b1b33547d809a909a80c6925c22ceab71978167eac287a29769b4fa793b

    SHA512

    82286defe6d5bee01aaa6591d5a7344097ee828cd37f2082ee464fd7ac5a373fad2af1ce19f47d1f047f3194d85f712e2d4c4c7661ce0389862f194f8a2081c4