Analysis

  • max time kernel
    178s
  • max time network
    184s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    24-06-2024 22:00

General

  • Target

    8828451a6ca1421284bc43ee73c82c3b5d9b5fe0b1a82b3f069e088bff1a3527.apk

  • Size

    509KB

  • MD5

    5576f16a13791c8b66a47d75cacd35b6

  • SHA1

    4e16036f0316fb539792613549f80031f27c5821

  • SHA256

    8828451a6ca1421284bc43ee73c82c3b5d9b5fe0b1a82b3f069e088bff1a3527

  • SHA512

    711f892f45323b258a320e43b4791aaab50d2933978dc21d427b9973066e9f7257529b29a806d65e070d66913e619e3e70c3f2d4bc42948efd0c2d5cf5770e1f

  • SSDEEP

    12288:6snofTqQ9zwILpYgo872wcfAwQ5EqaRVoy+63I6eF:Ngl90DPwcfAEqOVoOW

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.

  • Octo payload 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 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • 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
  • Requests modifying system settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.veryhomebk
    1⤵
    • 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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4456

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

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

    448KB

    MD5

    793ee547103eb96e8833aba64f943aba

    SHA1

    92686413256c41dc6e20e6477ab0ecf95e351dfb

    SHA256

    e5ca8077a7d0ddd4eb841d90fe3ac5b3c0003755300df30238a5078afbfdc25c

    SHA512

    5b69d2d6f5b1524c93d05204bb4b030b91c5d0cc579c73d91756716ce89e0265eb0bd876eb069d721c2f9e30b600a9a2ef5358665558b543176c0b07ab4d16af

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

    306B

    MD5

    b04a2dff860c315e4ab0d3745c052736

    SHA1

    11dc16f80e7e230c35204675b34b34ed50e8d449

    SHA256

    3b006edaae5fd1772c12aaa5f6a605146ec63258463e7d6149be603e81306562

    SHA512

    c2890b34b7208a456bff520ca508479c11f3b32db936219260179c147132fe8603d230bd99a0411f48d02a530b22547a133734afa5291e326044f5580807c5c2