Overview

overview

10

Static

static

6

90bfea3132...08.apk

android-9-x86

10

90bfea3132...08.apk

android-10-x64

10

90bfea3132...08.apk

android-11-x64

10

Analysis

  • max time kernel
    131s
  • max time network
    157s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    24/11/2024, 22:01

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General

  • Target
    90bfea313233d20dc0a8a1824047f85b9a5da47a2068360efcb14180ee1b0f08.apk
  • Size 4.6MB
  • Sample241124-1xjeksxpfp
  • SHA256 90bfea313233d20dc0a8a1824047f85b9a5da47a2068360efcb14180ee1b0f08
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

  • hook

C2

  • http://154.216.17.184

DES_key
AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Hook family
    hook
  • Loads dropped Dex/Jar 1 TTPs 2 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
  • 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.

    collectioncredential_accessimpact
  • 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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • 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
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.crfdhqyra.uhrhtuvkr
    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:4976

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

        Impair Defenses

        1
        T1629

        Prevent Application Removal

        1
        T1629.001

        Input Injection

        1
        T1516

        Virtualization/Sandbox Evasion

        2
        T1633

        System Checks

        2
        T1633.001

        Credential Access

        Clipboard Data

        1
        T1414

        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 Information Discovery

        2
        T1426

        System Network Configuration Discovery

        3
        T1422

        System Network Connections Discovery

        1
        T1421

        Lateral Movement

        Collection

        Clipboard Data

        1
        T1414

        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

        Data Manipulation

        1
        T1641

        Transmitted Data Manipulation

        1
        T1641.001

        Input Injection

        1
        T1516

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex
        • Path /data/data/com.crfdhqyra.uhrhtuvkr/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 56923f9b67a0565273a463a083571818e1911d05cd2d6ce9845f52335eb58d2b
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        classes.dex
        • Path /data/data/com.crfdhqyra.uhrhtuvkr/cache/classes.dex
        • Size 1.0MB
        • SHA256 f6e89171eaed3fdb5469c999d2531fb60c150835abf30d4cd28b9f0e1549b70f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        classes.zip
        • Path /data/data/com.crfdhqyra.uhrhtuvkr/cache/classes.zip
        • Size 1.0MB
        • SHA256 331990ae9be4a862e8113b6c839c516b73d435665e308dc9f7c031c2312cf894
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

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

        androidx.work.workdb-journal
        • Path /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 b5ff57efe25bf19ecddcfac4f59369baaa6784835d4cb06204235228db1e1042
        • MD5 SHA1 SHA512
        Submit Download

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

        androidx.work.workdb-wal
        • Path /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 07ebd7574c4cd6c8c5faffbfdc24e2bf0dea9545aaeaad1b1af3517f328fc752
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 c4d4f309320938817d2eb4f0f8b4580d55d277209a6cc036b034748a3ba1fb2a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.crfdhqyra.uhrhtuvkr/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 ed063972c1d13ef78996c49e732f74947c990cbbe5a9ee841bbc6d0c4e4997bb
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download