Analysis

  • max time kernel
    170s
  • max time network
    181s
  • 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

    77131a05e4fc5377ab1987bb3a6947e7ba843de82288d6bf8a724c4e84395c54.apk

  • Size

    541KB

  • MD5

    95983cfa8ccc58057697590d5ab831f5

  • SHA1

    8bc3ce5fc2530bd2f7d49f61457184db7e43fd3b

  • SHA256

    77131a05e4fc5377ab1987bb3a6947e7ba843de82288d6bf8a724c4e84395c54

  • SHA512

    e5c41ec8f1b7617897577017841038d870096025f624e610eda6af9818c8c929c8bd319341227dded90b1cf8bcd5a7e6cff123c5bca062849c3ed56430a1e90b

  • SSDEEP

    12288:hlbyyAibxYoSBfm8k6V7wqN45pnKhphFH9kUnMGLjMMnM5:hl1bx34fmomnnKhrMQnM5

Malware Config

Extracted

Family

octo

C2

https://moneyeuroland.net/MmI1M2ZiMGRmODEy/

https://moneyeurolandbebek.net/MmI1M2ZiMGRmODEy/

https://moneyeurolandscans.net/MmI1M2ZiMGRmODEy/

https://moneyeurolanddelicim.net/MmI1M2ZiMGRmODEy/

https://moneyeurolandbabis.net/MmI1M2ZiMGRmODEy/

https://moeurolandbabisde.net/MmI1M2ZiMGRmODEy/

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 4 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
  • Requests modifying system settings. 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.actair4
    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:4262

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.actair4/cache/gsfoelpx
    Filesize

    449KB

    MD5

    b72cce1bb0cc9645f0eafc889de24356

    SHA1

    4784b804f6c5518dabd25161a5a145581ce540a4

    SHA256

    aebf0265deca47169ebb5b54aed97acc1d84ab2537a9c119b48ab111eb234ad5

    SHA512

    353034d1c869fc07793db15245c0124ebbb46e98b516a7e4af5715bde49413fa02ef31bd0c98e7885dee6e3aa1a6f47cbb7ede8841ee7b11eface54948a5e5e1

  • /data/data/com.actair4/cache/oat/gsfoelpx.cur.prof
    Filesize

    465B

    MD5

    f3fc82ffdb68b0ee4fbac7cabab3e334

    SHA1

    ba2b74ffb1cd8b8b7ff3ebd7564de869e416b81c

    SHA256

    201057d18a819785118c8057d4ea5d2266dc341f2e518a41082043024ae62cc1

    SHA512

    d6e4ef062edb2bdcee7aedee99ff865b9042492794b200658d341d9c138f010251f006c87c472b1e393114abdcd7ea65237f29d758cd754bcac6de0ce1ab628b