Analysis

  • max time kernel
    599s
  • max time network
    602s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20250619-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20250619-enlocale:en-usos:android-9-x86system
  • submitted
    01/09/2025, 16:24

General

  • Target
    wvPZE8F66U.apk
  • Size 1.3MB
  • Sample250901-twbvsattdv
  • SHA256 1759b9ba03dde81b6513df437fffc722d0f21a5d12226740d30b429a4b6ff289
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • https://ws.asedkop.world

AES_key

Signatures

  • Hook

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

  • Hook family
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • 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.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 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
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • ru.gryao.zlsfwzi
    1⤵
    • 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 information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4149

Network

        MITRE ATT&CK Mobile v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        androidx.work.workdb

        • Path /data/data/ru.gryao.zlsfwzi/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/ru.gryao.zlsfwzi/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 111fa96ee55778d0dab6a5b60b2356e6974949cd2b0d16fcf9744f424f72e2c8
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

        • Path /data/data/ru.gryao.zlsfwzi/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/ru.gryao.zlsfwzi/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 d101d6b564929bdb05f37eecb7fb378ebcfd42a25a696026de732ff42e2f195c
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/ru.gryao.zlsfwzi/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 35fe26cf41ba72c29b7e9244d62dbd0fce630951bf77d372e7ed60343260ea7c
        • MD5 SHA1 SHA512 SSDEEP