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
    170s
  • max time network
    189s
  • 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
    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
  • Reads information about phone network operator. 1 TTPs
    discovery
  • 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
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4629

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

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

2
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

  • /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

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

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

    512B

    MD5

    8ddd599e512c11d175a743d86b8dab22

    SHA1

    ca6223bb3e90bac987c33f8554fbe946f448edd3

    SHA256

    bd68912a2e2241363d14edc3a0e4baa0756104c19edc9486aa2ed16c48b9d953

    SHA512

    85c4e09ee00f610dd382cabd292142eec1aeb336e8125bc6fe9d20c6a023f50b35e521c8a35e9811f8ab4568bba59821e7082b6d24079be506f87741dabccf9c

    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

    f0bd033b2e47cd8401d2ff52831afda6

    SHA1

    182614c03258a9cab80779a87ec31608d2b42146

    SHA256

    78504e337df40f837180fccdb93953678666151c6e87ebba295d7d9b16190667

    SHA512

    fc7c8d4e5b2d7db247858816c2cb17b85edc47a17e47cfcb58888b46bcd4319b691fed1619dcb9aef0006535ad53341f90b54b2b353a7e14d9d4b10113b9db5a

    Download Submit

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

    108KB

    MD5

    eae1aee576a4c4adc926a713fb67d119

    SHA1

    48ade49f4b679ebdce3119ee9333d89f2d12e1b0

    SHA256

    1e2ed6d0c51442ce95aeddde3e5f2b95508b1295f1163a25b12113c0614b3d89

    SHA512

    6e75435116acc96d4c056af0d9a1c09f5009b23b24279ec5dab7e8d38dc3fd792181690e13bff7de38ae39845f7333e490a607ff08b3b7d1961c5de1a0110272

    Download Submit

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

    173KB

    MD5

    53046a1c038a1a0478e34075ce199247

    SHA1

    a58895bfe000b921f3e0943dc71b258a79c86167

    SHA256

    bc4458371b1cc9fdbdfd370812c69fe99952362e0d10cb44d728dc73a39f87df

    SHA512

    730094345164f52983c2ea0f9f1f19128fb18f975e6c4e7dd2c434bebde2874daa46b8f96b70e2486e887ee420542bd55213c34af2353f58767162d1c952d765

    Download Submit