Analysis

  • max time kernel
    1966518s
  • max time network
    169s
  • platform
    android_x64
  • resource
    android-x64-arm64-20230621-en
  • submitted
    20/07/2023, 21:27

General

  • Target
    828f8f7ef9673ab8614c645f28a90e7cf65c7d0f22d00f08ffb132f08486db14.apk
  • Size 541KB
  • Sample230720-1a4f8sbd2y
  • SHA256 828f8f7ef9673ab8614c645f28a90e7cf65c7d0f22d00f08ffb132f08486db14
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://193.42.32.180/ZjU3NWNhYzE5Mzhm/

  • https://saldirmorukss222.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmorukss122.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruk4ss22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruks6s22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruk7ss22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruks8s22.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmorukss2322.net/ZjU3NWNhYzE5Mzhm/

  • https://saldirmoruksas282.net/ZjU3NWNhYzE5Mzhm/

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

    Runs executable file dropped to the device during analysis.

  • Reads information about phone network operator.
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

Processes

  • com.topyear25
    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).
    • Acquires the wake lock.
    • Loads dropped Dex/Jar
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:4395

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .qcom.topyear25

        • Path /data/user/0/com.topyear25/.qcom.topyear25
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        uauuklp

        • Path /data/user/0/com.topyear25/cache/uauuklp
        • Size 450KB
        • SHA256 5bd282c4894f560f85ca12cc3a19575f6f1e8374d1b20fcc3321367c9cde10da
        • MD5 SHA1 SHA512 SSDEEP

        uauuklp

        • Path /data/user/0/com.topyear25/cache/uauuklp
        • Size 450KB
        • SHA256 5bd282c4894f560f85ca12cc3a19575f6f1e8374d1b20fcc3321367c9cde10da
        • MD5 SHA1 SHA512 SSDEEP

        uauuklp

        • Path /data/user/0/com.topyear25/cache/uauuklp
        • Size 450KB
        • SHA256 5bd282c4894f560f85ca12cc3a19575f6f1e8374d1b20fcc3321367c9cde10da
        • MD5 SHA1 SHA512 SSDEEP

        main.xml

        • Path /data/user/0/com.topyear25/shared_prefs/main.xml
        • Size 131B
        • SHA256 6db2b231f36bc4fa6fd4397f77768a9cd423fb9b81aaec947653c9f3ff2a16e3
        • MD5 SHA1 SHA512

        main.xml

        • Path /data/user/0/com.topyear25/shared_prefs/main.xml
        • Size 7KB
        • SHA256 819172c76a57f04cfe99b2b9272b878269ce74f8e6a82b35b8e2658c5e8cb5d7
        • MD5 SHA1 SHA512 SSDEEP