Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    17/01/2025, 22:01

General

  • Target
    077f1c38a4cbaabb88f400bda2437b3b3ae31f6b369d52ae59c1d57056ccffb9.apk
  • Size 5.0MB
  • Sample250117-1w89lsvnar
  • SHA256 077f1c38a4cbaabb88f400bda2437b3b3ae31f6b369d52ae59c1d57056ccffb9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://154.216.17.69

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 25 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 accessing notifications (often used to intercept notifications before users become aware). 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.mxdzftcek.nnafdewej
    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)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4616

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex

        • Path /data/data/com.mxdzftcek.nnafdewej/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 e98c71a9c79147b85f10db33e0cf996775df4e76aa41aac22c3c06f0ae8a5e53
        • MD5 SHA1 SHA512 SSDEEP

        classes.dex

        • Path /data/data/com.mxdzftcek.nnafdewej/cache/classes.dex
        • Size 1.0MB
        • SHA256 8c506bd337cbbe36658f2b6416e930eaed0f6eb0df95a469f346825c3a44af9e
        • MD5 SHA1 SHA512 SSDEEP

        classes.zip

        • Path /data/data/com.mxdzftcek.nnafdewej/cache/classes.zip
        • Size 1.0MB
        • SHA256 893c55ea3f5cbad166714204184bc682ddae18007af20a0ac7cc69d27afa16b8
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

        • Path /data/data/com.mxdzftcek.nnafdewej/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/com.mxdzftcek.nnafdewej/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 871114721aa909e98a520e8df14629d0437296c1444effb50e30492a6c0bf6fa
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.mxdzftcek.nnafdewej/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 4224b159ddb2ce0f4063368d99da7a827e7ab17367f188906166340aa990ae25
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.mxdzftcek.nnafdewej/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 bb2646362d6e969caa9e6c98a2dfe65a45d93195825575c537692154fc7501e8
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.mxdzftcek.nnafdewej/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 e914f465306e80e0245c741fd98e27ada5f3d3c017fac09acb54a213087eab3f
        • MD5 SHA1 SHA512 SSDEEP