Analysis

  • max time kernel
    178s
  • max time network
    201s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    06/08/2024, 22:01

General

  • Target
    5483fa7885bfd9810be6b7d4a49f7e0faf88568cc3d639fdcb45eeba2b2ec6a1.apk
  • Size 4.3MB
  • Sample240806-1xa37ssark
  • SHA256 5483fa7885bfd9810be6b7d4a49f7e0faf88568cc3d639fdcb45eeba2b2ec6a1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://193.3.19.40

DES_key
AES_key

Signatures

  • Hook

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

  • 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.

  • 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 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.

  • 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

Processes

  • com.mcaamhgue.nsnnrtmey
    1⤵
    • Loads dropped Dex/Jar
    • 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
    • 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:5176

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex

        • Path /data/data/com.mcaamhgue.nsnnrtmey/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 9a0dfcb6f33c5fa91c91cc66fc342db5b4c1c7d8da0248500927114ac09aa608
        • MD5 SHA1 SHA512 SSDEEP

        classes.dex

        • Path /data/data/com.mcaamhgue.nsnnrtmey/cache/classes.dex
        • Size 1.0MB
        • SHA256 6f7fd23b7cfb8f35e8a6fb11fb0bc953bbe7e2b933c7a3427cd133c76f6d7e0a
        • MD5 SHA1 SHA512 SSDEEP

        classes.zip

        • Path /data/data/com.mcaamhgue.nsnnrtmey/cache/classes.zip
        • Size 1.0MB
        • SHA256 361af81c62a7a435f136e88d586175163d5e0590a7435fa2f8ed1694e8f866d9
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

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

        androidx.work.workdb-journal

        • Path /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 9e6fc5eaf2c63c626b38a50ec99baa4754d7ad7c17480d96035232a31f4a4ee3
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 daec0488c5f01111b65acee6c4bbb8e947a556541e108f69198baa8bfbbf26ce
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 8d22ed0a05d4eabfff2358c1002654c17dac4ff0a9460ad78c2928cecdf43bd3
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 1cd947012f6f87412c79a3b1940ffd8ff96d4dd5016e3cb43bc2efd08fc3ee60
        • MD5 SHA1 SHA512 SSDEEP