Overview

overview

10

Static

static

6

b5b90de398...b5.apk

android-9-x86

10

b5b90de398...b5.apk

android-10-x64

10

b5b90de398...b5.apk

android-11-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    185s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    26-08-2024 22:07

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General

  • Target

    b5b90de398869e31f06631eaf15d91fa5a667fc115d24e23d1760b584edaa5b5.apk

  • Size

    4.3MB

  • MD5

    3ce59889b7cf2cd70243c366d65bffb3

  • SHA1

    d03d65baca4b063a07204c2b63d7cda5d3e93101

  • SHA256

    b5b90de398869e31f06631eaf15d91fa5a667fc115d24e23d1760b584edaa5b5

  • SHA512

    57027354866128ff010d5be7f93fac14fd790faca2fe75f115e978fdad541f86d7bce9f247895a3102144c61067aa8ea3c76aeb6e44c3b3de960a3f78dfc6c13

  • SSDEEP

    98304:BYhr2USRBStSsxZNwft6xbYcNuaoMmeSVSUTKgWRmUNtSSiMdZ:BYhiUSRctPNHo0SATvnSSiMT

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

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
  • 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 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.vzbnfgfxv.zualtxmfx
    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:5045

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

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

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Downloads

  • /data/data/com.vzbnfgfxv.zualtxmfx/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    cd860461cf8e5212660b9f121abdb330

    SHA1

    3b08f45cbd47367b7458ce51c4a600d5fcd64b94

    SHA256

    49d6bb4731a007b46925cdd7949bbf24d9babf332f99d08904959174f399d055

    SHA512

    1c0202ce6bc9d1b01e3149da377a658ecafef3fd2d6ca7eff0facb675b8f27eaf8da69a0682575f8df170219cecedde49c7f7ee4dcd87cea4331ce446f1e8167

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/cache/classes.dex
    Filesize

    1.0MB

    MD5

    719f2edbb2c1853317ca9143eb78b6d4

    SHA1

    10ff5d385b49ceef34e27488af36b791bb9face4

    SHA256

    005b37e18489a43767981564798b68850427dd97ba483c5b61c4bc2028d992be

    SHA512

    7ba0c77795b5a5a64e4d7afb886b3aed8575285390ee3669af0e43b464d26a1db24f2d4dd9e72144a26a0b73c29ca044ee219a67f596c6543cc6f9217009e31d

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/cache/classes.zip
    Filesize

    1.0MB

    MD5

    5ec8be9cc7cc526a1a56c3c23db1a83b

    SHA1

    b5d8f55879ea970a7f6b424fa688723827199a3d

    SHA256

    7cbd846b3f840891d7440b2c8eee7bdcd09071745c51d1f6ff3f3c1158d54d6b

    SHA512

    eba00db6f23da3137ff8e1a81e0146982cb7f4df920c92ab89b85851b30bcf19e89aa05cc973aed60c17bf39e13ff8a9045ded86e1d5e421003f2838cef5991f

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    d097c20bd450adc5476ce41cf11331c1

    SHA1

    cb8928ff9487efc28b83ccf02bc20cfc0841fd5a

    SHA256

    d1d497d5b9aead0ef20f785dfe2b060e85a7b497587573e7c6f182712e145f22

    SHA512

    ba2d2c85e45b97d570d59020f7d45fc5e9d948e09b9c5158242e961a5a76140aaaf25d228faeb1614527254f73fcdbbed08f6e2be74ad6e40bebecd2495410bd

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    157da59dfed780a8a6c3305d64141f43

    SHA1

    d0d3e6777fecd8c29a98f6f86041cd62544e0fba

    SHA256

    802f266d53b6cee3c61715d8525dde49f0d1e222f7bbcc48a881904bbc41aaae

    SHA512

    e868cdf3053ef21895152127a19971019687becc9b71bc4c615491d9ac5fd6667be4ea495c3c7655c12050cdfe0057c8a31edfe88d02801dd5ef43942980d4ba

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    170c953fd4ec11405c9b3d7b42fb9365

    SHA1

    016fb2699d01a09c793248e39b2acc571818a01b

    SHA256

    bcc48c7313c448461097e989b377c923e518227d45a81e457e3eaec548f67419

    SHA512

    72d7e8e73af9d3961b00c5219311bb8ede4a1eea3e61afa574487cb5b13c65c629518421410456dcd47d2a9b88bd65505a4b1a6495f8dd2c6421897f7308e24c

    Download Submit

  • /data/data/com.vzbnfgfxv.zualtxmfx/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    8df3b80dd3700f61955f51e6108b82b3

    SHA1

    eb73ca2904f06a28a49c9bcf3352f8d06cb8e531

    SHA256

    cb7d74983cc3b6acb7efa2dbd80fa7296da76c26d48eaa8b2066c03a5cc38e33

    SHA512

    20b532b0ea2114ddbb48bcadf715d31b2124634be670531ac3eba8d8a30bbc7b1fcf490100b33d6ec91aa4b88aced92dc94b50abb6e98c0382999f2e84b2856f

    Download Submit