Analysis

  • max time kernel
    135s
  • max time network
    190s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    13/08/2024, 22:03

General

  • Target
    b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756.apk
  • Size 4.2MB
  • Sample240813-1yr34stamn
  • SHA256 b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://134.255.180.156

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • 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 3 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 information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

  • 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 8 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

  • Reads information about phone network operator. 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.cdnbwsqqe.dxmznskla
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5017

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex

        • Path /data/data/com.cdnbwsqqe.dxmznskla/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 00e64c5197f6697692b326a3495eb62e97b3ff11bd12adf6dc287fed1de9d37a
        • MD5 SHA1 SHA512 SSDEEP

        classes.dex

        • Path /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.dex
        • Size 1.0MB
        • SHA256 5b13538022406312a946eb7f897ed0b613bffc88f35bcd00750e12081c04fffc
        • MD5 SHA1 SHA512 SSDEEP

        classes.zip

        • Path /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.zip
        • Size 1.0MB
        • SHA256 f4899f302c0370f556fa3a89ab3103a9db26d02b6b6856f7f0c8e4487e115467
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 ccbbc28843d0f1da9508f943242e585458e0f150cdecfc06eafe9465eddc6f89
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 940a7b9e648a379ba290c966c36aac823f1bbc841caba443c99a7a89844cfb97
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 90db735fedd2576741b17ca626ef76e02cb61c616a0ca553dc54f31e5c0a57b8
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 cabb1ae9cb899f03ae61f32c72201ec45c01180b0a7e66750845a23cb1759350
        • MD5 SHA1 SHA512 SSDEEP