Overview

overview

10

Static

static

6

b6ed31e032...56.apk

android-9-x86

10

b6ed31e032...56.apk

android-10-x64

10

b6ed31e032...56.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    192s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    13/08/2024, 22:03

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756.apk
  • Size 4.2MB
  • Sample240813-1yr34stamn
  • SHA256 b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

  • hook

C2

  • http://134.255.180.156

DES_key
AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

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

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • 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.

    discovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • 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.

    evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • 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.

    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • 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.

    executionpersistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.cdnbwsqqe.dxmznskla
    1⤵
    • Removes its main activity from the application launcher
    • 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
    • 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)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4261
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.cdnbwsqqe.dxmznskla/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.cdnbwsqqe.dxmznskla/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4290

Network

        MITRE ATT&CK Mobile v15

        Initial Access

        Execution

        Scheduled Task/Job

        1
        T1603

        Persistence

        Event Triggered Execution

        1
        T1624

        Broadcast Receivers

        1
        T1624.001

        Foreground Persistence

        1
        T1541

        Scheduled Task/Job

        1
        T1603

        Privilege Escalation

        Defense Evasion

        Download New Code at Runtime

        1
        T1407

        Foreground Persistence

        1
        T1541

        Hide Artifacts

        2
        T1628

        Suppress Application Icon

        1
        T1628.001

        User Evasion

        1
        T1628.002

        Impair Defenses

        1
        T1629

        Prevent Application Removal

        1
        T1629.001

        Input Injection

        1
        T1516

        Credential Access

        Input Capture

        2
        T1417

        GUI Input Capture

        1
        T1417.002

        Keylogging

        1
        T1417.001

        Discovery

        Process Discovery

        1
        T1424

        Software Discovery

        1
        T1418

        Security Software Discovery

        1
        T1418.001

        System Network Configuration Discovery

        2
        T1422

        System Network Connections Discovery

        1
        T1421

        Lateral Movement

        Collection

        Input Capture

        2
        T1417

        GUI Input Capture

        1
        T1417.002

        Keylogging

        1
        T1417.001

        Screen Capture

        1
        T1513

        Command and Control

        Exfiltration

        Impact

        Data Encrypted for Impact

        1
        T1471

        Input Injection

        1
        T1516

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex
        • Path /data/data/com.cdnbwsqqe.dxmznskla/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 00e64c5197f6697692b326a3495eb62e97b3ff11bd12adf6dc287fed1de9d37a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        classes.dex
        • Path /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.dex
        • Size 1.0MB
        • SHA256 5b13538022406312a946eb7f897ed0b613bffc88f35bcd00750e12081c04fffc
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        classes.zip
        • Path /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.zip
        • Size 1.0MB
        • SHA256 f4899f302c0370f556fa3a89ab3103a9db26d02b6b6856f7f0c8e4487e115467
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb
        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512
        Submit Download

        androidx.work.workdb-journal
        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 ac7aed89236a23684b79ce26843478587ddf71c5109ba9e3fd79061be4fb35bc
        • MD5 SHA1 SHA512
        Submit Download

        androidx.work.workdb-shm
        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 9082b3e797b6ba4fabfd7ab91becea0a1048fcaf645a46e6425e8936214b12d0
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 9ef9f6ac0b4ca6fa4c1815908aa6917d44d3b54e5937eb6dc14acf355f40cc88
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 445c078b4cd6001ac9cd36ed2f83fc78a9befaee8dc40614f04ac9f07872d7cf
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        classes.dex
        • Path /data/user/0/com.cdnbwsqqe.dxmznskla/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 81122feb563280bce1e4ba76da3c6b3f224550c7966a0502a2fedb7819924016
        • MD5 SHA1 SHA512 SSDEEP
        Download