Analysis

  • max time kernel
    179s
  • max time network
    187s
  • 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
    23-08-2024 22:00

General

  • Target

    5d38f3bfe01273ecc6d350fe8a6abf36834f0d095a244c9d3245719584f9dc8b.apk

  • Size

    509KB

  • MD5

    0251925e81171c310c1153b8dadd71fa

  • SHA1

    d2f24bd4a297b23b93f80d3d9c0e9ec3e6d2c202

  • SHA256

    5d38f3bfe01273ecc6d350fe8a6abf36834f0d095a244c9d3245719584f9dc8b

  • SHA512

    a5cd4acd6712706b3de544d6fa299d3f8e37fc1e0e58c8524a2f50584362680eb5a5aa0088141f0966aa4025a93de615ef6255d06445ac84364bb16e21cbc8a4

  • SSDEEP

    12288:LKIUi5fq5naaN+QGIZEbSmRyaSXKCEOoCX9yUF74Veo1rjIZUny:D5y5naa4l0GSmRnSX2bEj74Veo1w6ny

Malware Config

Extracted

Family

octo

C2

https://nabertglalfa.com/YmJhM2M5ZjYyODY5/

https://hasbelgar56142.com/YmJhM2M5ZjYyODY5/

https://belkemigi6525.com/YmJhM2M5ZjYyODY5/

https://kemikadam252.com/YmJhM2M5ZjYyODY5/

https://parlementsigara651.com/YmJhM2M5ZjYyODY5/

https://selamcanm6142.com/YmJhM2M5ZjYyODY5/

rc4.plain

Extracted

Family

octo

C2

https://nabertglalfa.com/YmJhM2M5ZjYyODY5/

https://hasbelgar56142.com/YmJhM2M5ZjYyODY5/

https://belkemigi6525.com/YmJhM2M5ZjYyODY5/

https://kemikadam252.com/YmJhM2M5ZjYyODY5/

https://parlementsigara651.com/YmJhM2M5ZjYyODY5/

https://selamcanm6142.com/YmJhM2M5ZjYyODY5/

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.mostround3
    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:4561

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.mostround3/cache/oat/ykgeaubv.cur.prof

    Filesize

    288B

    MD5

    613c2558e7fc6906378749f3ac084a24

    SHA1

    a65f59accf8c0052c2e88ffa8860acae96ec62ef

    SHA256

    2f8370a5919b4f90585c61f2cc6cbf7e9d3d7250f53c6222f5fee73ff14b8c9e

    SHA512

    7439812e157441732a8ca415364ce43a4c9a18570cd3e91ed5bbfa4ad3757bc631bf513ed73750172df189b0e0a7ebacbdcd7bc6d0146aec35b635dcb0c18fbf

  • /data/data/com.mostround3/cache/ykgeaubv

    Filesize

    448KB

    MD5

    fac0dba64de7ec3f92f0acadf0d73b53

    SHA1

    fa0154104393f536e83e42cfa259cd7d1533d7ed

    SHA256

    61cb2e7a11a21d8d5d22fe09c8e4d698766cdbe698c353bc454e6cb54cbbed7a

    SHA512

    e6e219cd866cd1f5d49f8ed01233916721a3fd4cbba081711635cffeab92f73026119eb77cc182655b85e2c0e4a45257e01a334a60707633e4b0aa173911c3bb