Overview

overview

10

Static

static

6

b7742c9c70...2b.apk

android-9-x86

10

b7742c9c70...2b.apk

android-10-x64

10

b7742c9c70...2b.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    155s
  • 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
    24/11/2024, 22:00

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General

  • Target
    b7742c9c70e896b31d68b4cdf345ac1d77192ae381f6e49907197fe2bd97eb2b.apk
  • Size 4.6MB
  • Sample241124-1wslvsxpbr
  • SHA256 b7742c9c70e896b31d68b4cdf345ac1d77192ae381f6e49907197fe2bd97eb2b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

  • hook

C2

  • http://185.147.124.250

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.

    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.wwfvynwml.wjpuuowbi
    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:4476

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

        classes.dex
        • Path /data/data/com.wwfvynwml.wjpuuowbi/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 82f6e4403759bd9396bd4b20396b3fc9194c76fc952e728052c5589846b24131
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        classes.dex
        • Path /data/data/com.wwfvynwml.wjpuuowbi/cache/classes.dex
        • Size 1.0MB
        • SHA256 5edd22cebf6a52fe7ab53694a7550f3202af3888646d3427d089eeee0a2ede29
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        classes.zip
        • Path /data/data/com.wwfvynwml.wjpuuowbi/cache/classes.zip
        • Size 1.0MB
        • SHA256 cef4433dca6437c14b90c291439ea1cefc4f3f4b4571e7ff64d3d5bdd549cd4e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb
        • Path /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
        • MD5 SHA1 SHA512
        Submit Download

        androidx.work.workdb-journal
        • Path /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 60963e356ee8d81107f18b9cc51668b0fead118ac20ea56a3f571575d1146f0e
        • MD5 SHA1 SHA512
        Submit Download

        androidx.work.workdb-shm
        • Path /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 aaf370cbcdf5e76fca185768361270e952e905f3ed1d0656c2f56288914ad7a6
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 4d84084cac825e15ebfbaf1bde301d3b5a8b04e12e63c37c87518536d0e6c550
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        androidx.work.workdb-wal
        • Path /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 9b0e49e0d6e24381e6827ed23c051dc62e169c16dece886b707e48373db2b822
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download