Overview

overview

10

Static

static

6

443a7d9c1c...9a.apk

android-9-x86

10

443a7d9c1c...9a.apk

android-10-x64

10

443a7d9c1c...9a.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    20-01-2025 22:07

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General

  • Target

    443a7d9c1c2d42e5599ba108d96af71b499d6414f8dbf45d3855d93062b97f9a.apk

  • Size

    5.0MB

  • MD5

    d62f8771384adbac4c2137db36a56239

  • SHA1

    fbb6c1ef42dc56fa256e1ad4424c00f3f37ccfc5

  • SHA256

    443a7d9c1c2d42e5599ba108d96af71b499d6414f8dbf45d3855d93062b97f9a

  • SHA512

    f9cad909d0243247a285aaef0314d74ff0cef33d97bb05ea54b39622c66ff1ec39d33e7be20b5cf33d78ce133d58e43eb3d3a170a8a269c68abab298d3807b89

  • SSDEEP

    98304:GJbhcB9yCtWfAUpLBx5gJB223z8SgwgGgAyuWf/CZBA1kBTd5SiD22:whSkM1cLz5gJBH3wNNGgYUC4kBT7SiDb

Score
10/10
hookbankercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.17.69

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.

    collectiondefense_evasioncredential_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.

    defense_evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 8 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.fxlfwvcik.kcdszsfrs
    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:5055

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

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Downloads

  • /data/data/com.fxlfwvcik.kcdszsfrs/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    1702a43faf35f8b1575d6de10470ca24

    SHA1

    7a40328a649593f64441b85ce0bcd5b549f7a219

    SHA256

    ff712f209c9d20110192c3b7e56b4891f5aed2710e18d55d811561077c3a535e

    SHA512

    9f8eda29db1b0e450e6f520ef4efe0d7be7683cfc0e489b2a35b664a42de35d91db2c26ec168a11386d4236b87ba3cce389b52609dcf4e54e187d395364fe3a6

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/cache/classes.dex
    Filesize

    1.0MB

    MD5

    7f78bc6105199610b76e19f55fcd1e0f

    SHA1

    b68bdd71d4da27ce0022fcfe978257c6889d5e80

    SHA256

    60ea4caa81eb4ea6bf8992b6f07dd023de32fcc63916b9072488138f4ca53d84

    SHA512

    0d206651f277ea1579b0875ac9ec8c155dc52dc14729321eb7213d9ae5603681452f5a16d7800c98c4c99cd62c6ff098cde279dac382cdb127f69ae91e90c0df

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/cache/classes.zip
    Filesize

    1.0MB

    MD5

    d2f078c7b5c0a532a06a97a93f9adeed

    SHA1

    c27383f78797700f127a610d9a4ee2d363b662c3

    SHA256

    2c86d195530fa61368f0459a26092d84634278cd6273aa5744ca97245b221c9d

    SHA512

    ac9274ce3fac6288ad3816d11a77a77ef738174319237b67f2a34f90295776bc84a765be0d27101c435a016fbf87e367412bde696ce4cc7c0da51f20cd0a5ac8

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    189d415a4ef1bf7c9d6e076b681300a4

    SHA1

    621fa66fb8cd76a212bf1b3d6fb21f522d7402a6

    SHA256

    aea9b4dbe9f3724ece4ad2eb1566b5915dbadf4cf6d3c312fbc253b3fc7952ce

    SHA512

    c7d1284ca5f7b19d8f3be58d98c4394da3381662f164dc4b529a1f6aa474c3172b2444c1189f36a5b1145c6533264c43de72b13761e2908b2f5aa9c98b35aa79

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    d96081f51422cfa2d99a9b83b66e4191

    SHA1

    e110ab89dfc57250cf445521d905100efb5f14bf

    SHA256

    39703a3ae1112aa1db2bd5d20a052c480e950101bc1da70691adcfa0d391cb10

    SHA512

    e3ea58a92b3c473056e1b268481b19da7ca42f1872d883c534d2ab9c0fe4f5b613bbf997d4388be9cd04f06d7a64d5b4c34748ecbabfa918f075360e857b9731

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    2bddf0f54888742b8cde8eda91d4884b

    SHA1

    6675dcee65ecde5cbf1a51a10cc733d38e17e02f

    SHA256

    5ce4bcb83e30487f368455549f09a4c9c81f2d7a6cab791e4dcbb24ac5f92a22

    SHA512

    10322db3f6b8772e86619a7c3ec6d66a9193ef78cc38dce568f711978cc190e7cfb431064427adba99e3cc96022c411ed1e73b1d3b90f2dc7917e75aa08e58a9

    Download Submit

  • /data/data/com.fxlfwvcik.kcdszsfrs/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    80305b087e2d3f6927fbd31a5a1d9957

    SHA1

    b9638dfc06876ff89639a00fe2ec9e8dd0239f86

    SHA256

    5c778be6a149bc268ed0da13ece463f21224bc9ffb7297455943c11cda63b5d2

    SHA512

    d4d3ecdd968011402cca43fc33b2c3caeb5984ef8ad64c795751e9e76cf5bca43ef0a652700daae1d02826561c3ad8cd9f82f634bea6f2e68dca5c62334f7ee2

    Download Submit