Analysis

  • max time kernel
    27s
  • max time network
    29s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20250917-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20250917-enlocale:en-usos:android-9-x86system
  • submitted
    17/10/2025, 01:19

General

  • Target
    ebf13f12b4710e73c17407303f233c12223b71dbdef15e1ccaed49948252aa92.apk
  • Size 4.5MB
  • Sample251017-bpswlsdw9a
  • SHA256 ebf13f12b4710e73c17407303f233c12223b71dbdef15e1ccaed49948252aa92
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://51.79.190.129

AES_key

Signatures

  • Hook

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

  • Hook family
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • 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 1 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
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests enabling of the accessibility settings. 1 IoCs
  • 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.rorocilowitupu.yavu
    1⤵
    • Removes its main activity from the application launcher
    • 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
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests enabling of the accessibility settings.
    • 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:4202

Network

        MITRE ATT&CK Mobile v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        androidx.work.workdb

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

        androidx.work.workdb-journal

        • Path /data/data/com.rorocilowitupu.yavu/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 ae3e793e5dd8253d2aa642bac56d001cf298f59b554f7a723607d56420340c1c
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.rorocilowitupu.yavu/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 37cb78ca2852ef59a00e518febd5c49a02d7cd006da2c1b101b1eecf697fcd62
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.rorocilowitupu.yavu/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 3ad57464ad9cf21e09162584d04154e87d63b3021e3aaf8ee82502e23e3ab08f
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.rorocilowitupu.yavu/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 4839a62e0ba87c81a7a5f14a73face348c5bb9b321bdea16cf7cba54b53fef18
        • MD5 SHA1 SHA512 SSDEEP