Analysis

  • max time kernel
    72s
  • max time network
    187s
  • platform
    android_x64
  • resource
    android-x64-20240514-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240514-enlocale:en-usos:android-10-x64system
  • submitted
    19/05/2024, 01:24

General

  • Target
    62b51a131747e8e416bedef0fd3c32cef055e33ba8225f6c174951c8b14fbc47.apk
  • Size 2.8MB
  • Sample240519-bsfepabb55
  • SHA256 62b51a131747e8e416bedef0fd3c32cef055e33ba8225f6c174951c8b14fbc47
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

AES_key

Signatures

  • Hook

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

  • Makes use of the framework's Accessibility service 4 TTPs 3 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.

  • 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 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 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.

  • 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
  • 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.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service
    • Prevents application removal
    • Makes use of the framework's foreground persistence service
    • Queries information about running processes on the device
    • Queries information about the current Wi-Fi connection
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Acquires the wake lock
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5096

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

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        Downloads

        androidx.work.workdb

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

        androidx.work.workdb-journal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 be239f0669c79c7162728c3648e46eac9b398b6935a0acfcfb2e5867f766929b
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 285b5ecd97b02d1850aa91fa6486f9cd74e4c8058f3b07df1e007bfade9767db
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 b89b32b6cad49e274fa20df051ed08ddcf5bc8074a3e266151b7e5f9efade18b
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 691a2a768a4f53e33ccdcb2ff45e1b772bca00bdba13352963a5e80aa728cfbe
        • MD5 SHA1 SHA512 SSDEEP