Analysis

  • max time kernel
    1265827s
  • max time network
    157s
  • platform
    android_x64
  • resource
    android-x64-20231023.1-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20231023.1-enlocale:en-usos:android-10-x64system
  • submitted
    08/12/2023, 22:00

General

  • Target
    2864a617f4ff4feb4bc41e0a32ab10f2b92e105a40a805fb967cdd1bebcda112.apk
  • Size 509KB
  • Sample231208-1wslvsdaaj
  • SHA256 2864a617f4ff4feb4bc41e0a32ab10f2b92e105a40a805fb967cdd1bebcda112
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://185.196.9.197/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass2.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass3.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass4.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass5.net/MTQ4MmUxODBhMTVi/

  • https://xxxpakunatationclass6.net/MTQ4MmUxODBhMTVi/

AES_key

Signatures

  • Octo

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

  • Octo payload 3 IoCs
  • Makes use of the framework's Accessibility service 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 IoCs
  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator.
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.restnoticeipf
    1⤵
    • Makes use of the framework's Accessibility service
    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
    • Loads dropped Dex/Jar
    • Acquires the wake lock
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5113

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        vrixlo.cur.prof

        • Path /data/data/com.restnoticeipf/cache/oat/vrixlo.cur.prof
        • Size 493B
        • SHA256 47de2fb7b0bcbae02d97210d5aa62cd507b168e5b419abc58c65f4cd560133ed
        • MD5 SHA1 SHA512

        vrixlo

        • Path /data/data/com.restnoticeipf/cache/vrixlo
        • Size 449KB
        • SHA256 02f9c295a50deff30c8a36feba6240306ad8724536befbb5052afb75d2b7407b
        • MD5 SHA1 SHA512 SSDEEP

        vrixlo

        • Path /data/user/0/com.restnoticeipf/cache/vrixlo
        • Size 449KB
        • SHA256 02f9c295a50deff30c8a36feba6240306ad8724536befbb5052afb75d2b7407b
        • MD5 SHA1 SHA512 SSDEEP

        vrixlo

        • Path /data/user/0/com.restnoticeipf/cache/vrixlo
        • Size 449KB
        • SHA256 02f9c295a50deff30c8a36feba6240306ad8724536befbb5052afb75d2b7407b
        • MD5 SHA1 SHA512 SSDEEP