Overview

overview

10

Static

static

10

4f0e764fa0...51.apk

android-9-x86

10

4f0e764fa0...51.apk

android-10-x64

10

4f0e764fa0...51.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    17-10-2024 22:09

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General

  • Target

    4f0e764fa016f284e5e33b425f94b7ce40f7f928b4d46a4177a39c89659f5351.apk

  • Size

    1.2MB

  • MD5

    121ebc1ed4a5d50d3ef6478f5eb24e3b

  • SHA1

    ab723aaebb5f636edbd767907eb978478502fa64

  • SHA256

    4f0e764fa016f284e5e33b425f94b7ce40f7f928b4d46a4177a39c89659f5351

  • SHA512

    adc898f3910cdcf01b3059c7804bce41730b0ec616a913ad7be3efdaef7e463f0a7246d679ec2d557a013619afc67c663c29d7ca14405ed28836eea3b79b6547

  • SSDEEP

    24576:9M2u5GLIbPMBj+VdB6SP88+Hx+EAOL9GE5DQ1tTPeCojyi5pUg/6WWC:y2mGLIYhc6SP88+YROLX5sL/Xi5pUg/L

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

hook

C2

http://87.120.117.119:3434

AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • 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
  • 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.hobewokehimumome.yicino
    1⤵
    • Removes its main activity from the application launcher
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • 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:4253

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

Foreground Persistence

1
T1541

Hide Artifacts

1
T1628

Suppress Application Icon

1
T1628.001

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

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

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

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.hobewokehimumome.yicino/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.hobewokehimumome.yicino/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    e1fc8f6fa8f45a2aaa42963ce45470fb

    SHA1

    0c816704d135ad6d1c66440bc829a140463839c9

    SHA256

    a40fac7feb61e2ed427ac76d42bd82c4ffa231171b270df93a45b0e3383ea651

    SHA512

    b699e9be8c3f8fd04efc092c57626025e003b8bb8f65d59cbca965fafc265726a1c4919c5cf9d724fbc18324b397540e15eb76d8d9838457f88c416a263ceee8

    Download Submit

  • /data/data/com.hobewokehimumome.yicino/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.hobewokehimumome.yicino/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    9355c457dac1653f41f6b99be4137f0e

    SHA1

    755d92340df2ae657ec364dc736d918bd39e7729

    SHA256

    880ced8103bc68589394e7acb633c1c1e0afc10bae306f616c338954625d409b

    SHA512

    dae0ca5de4813f17f840c0b51dc3c597d7e137d3686392cdd4765df9aca75d8dc152e893ecc83a961c3d14cfbedd3b08585957345cf7bad14a4d35e289589d5d

    Download Submit

  • /data/data/com.hobewokehimumome.yicino/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    0fb0772887e56739990e152864c3cac9

    SHA1

    4bbc1d7afa444ba681f1c9de2d3247305d019a20

    SHA256

    90b788e8aba9dc603aa1dbb2c2132a54646a16357d346d4613055aa723732110

    SHA512

    62cfb30bedb488320472e3aad5bbc7da1e397de265b59ac1e255696e3a89c9a1884cf3187ada19e8c34d95fb678a5bdb56ea4a9862652317189a612c8c875599

    Download Submit

  • /data/data/com.hobewokehimumome.yicino/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    ee1a16f0aedb21b5fc084eec6d5cf0a3

    SHA1

    ed083ebed690b513bae90b409f7fbdbde47596c5

    SHA256

    d3cc71aa1c83753041ec7c771254b72b944b413229eca367082175e693eeecee

    SHA512

    64ac195d43b049f5d63b6b7e64e85d320f0d8a0011bda442e64d6b30035345cf02242a16bcec53e90778a7674f41fd9dbf2b4b252917c70712ec5c8e9d2b580d

    Download Submit