Resubmissions

03-05-2024 05:43

240503-geyxrsaf32 10

25-04-2024 22:01

240425-1xb1haff9v 10

Analysis

  • max time kernel
    66s
  • max time network
    140s
  • platform
    android_x64
  • resource
    android-x64-20240221-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240221-enlocale:en-usos:android-10-x64system
  • submitted
    03-05-2024 05:43

General

  • Target

    e862c84af8803294b1e643dfb44addf23b2b53b8c244cf94c5d51c8fa5e24c40.apk

  • Size

    541KB

  • MD5

    28e2484845cf97b42b5edbcffaf17974

  • SHA1

    0d3db50f2f872982bf28df12c372516906682969

  • SHA256

    e862c84af8803294b1e643dfb44addf23b2b53b8c244cf94c5d51c8fa5e24c40

  • SHA512

    49346e97f59c6713f43ac5d7fcb90a5a763c26a01efa2854ee7acce4dc76dd45d3cbf16d1cf74579a5053eed3763d4395f54f04abb99a19534fc74dfeb28abf5

  • SSDEEP

    12288:jCSFFN5BcjnK9LoNLhE0+nBZfNYyDgPzXbCmqJUySXUlPwKheNNnR:jzFuK9ELhEXZYycPbbClSXUOK0rnR

Malware Config

Extracted

Family

octo

C2

https://33moneycshlazim33.shop/MmExODA3MDAzZjA5/

https://moneycsasfasfh.shop/MmExODA3MDAzZjA5/

https://moneymaskalandd.shop/MmExODA3MDAzZjA5/

https://moneycsffhgm7.shop/MmExODA3MDAzZjA5/

AES_key

Signatures

  • Octo

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

  • Octo payload 1 IoCs
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Prevents application removal 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to prevent removal.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • 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.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.broughtusfi
    1⤵
    • Makes use of the framework's Accessibility service
    • Prevents application removal
    • Loads dropped Dex/Jar
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Acquires the wake lock
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5091

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.broughtusfi/cache/esshglmxtck
    Filesize

    450KB

    MD5

    96cc41d8ac4dfd0dfd302772b1e6160e

    SHA1

    f7600b2fc002b90290b692240558a6cf5a030551

    SHA256

    f2c549f4f82fb00d8852c5aaeb6ad71e873548730592ab64f6ee6edaa379de49

    SHA512

    35fe6a4e2ced3d5df096c6b3aea54df305f0c4758b7c514d3743a98b092976dfe2feaa4edbf369209f83ca6990a068c5550d014ed7070b669576df596da0712a

  • /data/data/com.broughtusfi/cache/oat/esshglmxtck.cur.prof
    Filesize

    548B

    MD5

    2845304a1e9a42963d28dcb75ef16e77

    SHA1

    8952d8713efd2c5a82735fb93e18f66b5819643e

    SHA256

    845b5dd736e89a31f08b07d7bbe74de1e0884892730e864057f2c06ef961b0c6

    SHA512

    aa13ea3ae7c08a18abd4abd670d5510bf65298674097332c012598495c4ba283a307ab12bef4b6a6f42a723453f70cc49ec03a8ed152a2a22b1212833110dbc6