Overview

overview

10

Static

static

6

042d8d71ed...19.apk

android-9-x86

10

042d8d71ed...19.apk

android-10-x64

10

042d8d71ed...19.apk

android-11-x64

10

Analysis

  • max time kernel
    168s
  • max time network
    164s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    02/08/2024, 22:05

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General

  • Target
    042d8d71edc75ee7d63d9884e4b5e012069e75e3ff651f5317f62b293328a019.apk
  • Size 3.6MB
  • Sample240802-1zrtqssdlm
  • SHA256 042d8d71edc75ee7d63d9884e4b5e012069e75e3ff651f5317f62b293328a019
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
blackrockbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencestealthtrojan

Malware Config

Signatures

  • BlackRock

    BlackRock is an android banker based on Xerxes banking Trojan.

    bankertrojaninfostealerblackrock
  • BlackRock payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • 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
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Acquires the wake lock 1 IoCs
  • Performs UI accessibility actions on behalf of the user 1 TTPs 1 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Requests enabling of the accessibility settings. 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.

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

Processes

  • com.dvygvwkxhn
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Performs UI accessibility actions on behalf of the user
    PID:4439
  • com.dvygvwkxhn:cproc
    1⤵
    • Loads dropped Dex/Jar
    • Requests enabling of the accessibility settings.
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4477

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

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        Downloads

        payload.jar
        • Path /data/user/0/com.dvygvwkxhn/cache/payload.jar
        • Size 131KB
        • SHA256 26134dfc90cea1a38bba640d34dd266b2bdd766cb71b52344cdbec76427b4533
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        payload.jar
        • Path /data/user/0/com.dvygvwkxhn/cache/payload.jar
        • Size 283KB
        • SHA256 a590905d51fc76b99cc460f9e6a4001496de4ce7b9c25e1c286467a9135e87d6
        • MD5 SHA1 SHA512 SSDEEP
        Download