Analysis

  • max time kernel
    36s
  • max time network
    154s
  • platform
    android-10_x64
  • resource
    android-x64-20240910-en
  • resource tags

    arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
  • submitted
    05/11/2024, 22:14

General

  • Target
    c8200eaad4e13d3d7c35eeb2ac54e7e89a39b38891a1a345a740f5b533eb925f.apk
  • Size 4.2MB
  • Sample241105-151zlasmdl
  • SHA256 c8200eaad4e13d3d7c35eeb2ac54e7e89a39b38891a1a345a740f5b533eb925f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://94.141.120.170

DES_key
AES_key

Signatures

  • Hook

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

  • Hook family
  • 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.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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 5 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
  • 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
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.ybrgnfcjj.xohwzaamj
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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
    • Queries the mobile country code (MCC)
    • 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)
    • Checks CPU information
    • Checks memory information
    PID:5099

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex

        • Path /data/data/com.ybrgnfcjj.xohwzaamj/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 17a2fc279da43a9fe3bd0131251c45dd8ee26bae1fbb7180024ca2654b627d55
        • MD5 SHA1 SHA512 SSDEEP

        classes.dex

        • Path /data/data/com.ybrgnfcjj.xohwzaamj/cache/classes.dex
        • Size 1.0MB
        • SHA256 2525dc01a4d4af6fba997344df5d63bb3db4dcbbb72fba245657794122a4c1db
        • MD5 SHA1 SHA512 SSDEEP

        classes.zip

        • Path /data/data/com.ybrgnfcjj.xohwzaamj/cache/classes.zip
        • Size 1.0MB
        • SHA256 3edf63903f9e93172685ae686abea3d6060167358c59c368829fcc8270b58172
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

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

        androidx.work.workdb-journal

        • Path /data/data/com.ybrgnfcjj.xohwzaamj/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 a29a709d7e7a1340746b97dde7cbc257fa49835cc4ef1825aea3f143ce8f61d3
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.ybrgnfcjj.xohwzaamj/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 c4b1422fe61f5fde05a2b1ebb53bd2a7c590284ab58e141fd92e241ccfc93304
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.ybrgnfcjj.xohwzaamj/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 13609ee747d8a6028bcb4235288b3a2a0d2899f4ad5f694a5473bee24076e07c
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.ybrgnfcjj.xohwzaamj/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 69746e51dbd50b4cd7d5f2029fd9addcba363c25a9670a7e91f31a30872cc5ec
        • MD5 SHA1 SHA512 SSDEEP