Overview

overview

8

Static

static

6

excess.und...ng.apk

android-9-x86

8

excess.und...ng.apk

android-10-x64

8

Resubmissions

14/10/2024, 17:23

241014-vx752swhjf8

09/10/2024, 09:04

241009-k148fssclj8

Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    09/10/2024, 09:04

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General

  • Target
    excess.undrilled.improper.crushing.apk
  • Size 2.4MB
  • Sample241009-k148fssclj
  • SHA256 136d00629e8cd59a6be639b0eaef925fd8cd68cbcbdb71a3a407836c560b8579
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
bankercollectioncredential_accessdiscoveryevasionimpactpersistencestealthtrojan

Malware Config

Signatures

  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 4 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 the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • 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 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 2 IoCs
    persistence
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • excess.undrilled.improper.crushing
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    PID:4925
  • excess.undrilled.improper.crushing:webview_process
    1⤵
    • Loads dropped Dex/Jar
    • Obtains sensitive information copied to the device clipboard
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4964

Network

        MITRE ATT&CK Mobile v15

        Initial Access

        Execution

        Persistence

        Event Triggered Execution

        1
        T1624

        Broadcast Receivers

        1
        T1624.001

        Foreground Persistence

        1
        T1541

        Privilege Escalation

        Defense Evasion

        Download New Code at Runtime

        1
        T1407

        Foreground Persistence

        1
        T1541

        Hide Artifacts

        1
        T1628

        Suppress Application Icon

        1
        T1628.001

        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

        Software Discovery

        1
        T1418

        Security Software Discovery

        1
        T1418.001

        System Information Discovery

        2
        T1426

        System Network Configuration Discovery

        3
        T1422

        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 Manipulation

        1
        T1641

        Transmitted Data Manipulation

        1
        T1641.001

        Input Injection

        1
        T1516

        Replay Monitor

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        Downloads

        decrypted.dex
        • Path /data/data/excess.undrilled.improper.crushing/code_cache/decrypted.dex
        • Size 975KB
        • SHA256 09e3db729b16cf271d9be99996334422b372bafaae9ba95f65828c5b2bc97d34
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download