Overview

overview

10

Static

static

6

6c396f6fe9...fc.apk

android-9-x86

10

6c396f6fe9...fc.apk

android-10-x64

10

6c396f6fe9...fc.apk

android-11-x64

10

Analysis

  • max time kernel
    177s
  • max time network
    190s
  • 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
    09-08-2024 22:00

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General

  • Target

    6c396f6fe92a262c6f99ecff365b68a19ea6aa1bdf5f5ebada207e68c90f8ffc.apk

  • Size

    4.2MB

  • MD5

    a8d1cd46640befce78f39057e28e250e

  • SHA1

    27d1179976c036fd2a58978c6e9dabbfab107a6e

  • SHA256

    6c396f6fe92a262c6f99ecff365b68a19ea6aa1bdf5f5ebada207e68c90f8ffc

  • SHA512

    ce46d368c29bee222b9544066d5736299e567191648741fad7f58800bd83da66eb0093cdc1fdbae97f39e7d0cf7cded11570a23af1539e6fba93d3437ac8f0a0

  • SSDEEP

    98304:OdDmUI4Mrq0VR0Qmup/wuXvFVtEyok+wkrNB:OsrdVRjm8z9sXkFQb

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.40

DES_key
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
  • Loads dropped Dex/Jar 1 TTPs 3 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
  • 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.

    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
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • 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

Processes

  • com.kpkdmjhac.sfggcgdhv
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • 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
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • 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)
    PID:4284
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.kpkdmjhac.sfggcgdhv/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.kpkdmjhac.sfggcgdhv/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4314

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

Hide Artifacts

2
T1628

Suppress Application Icon

1
T1628.001

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Credential Access

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 Network Configuration Discovery

2
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.kpkdmjhac.sfggcgdhv/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    c40b7109bd22940079be96bb785e9cdf

    SHA1

    da0a10dcda9fde2f8bfbcebab4e606826bd784ab

    SHA256

    a42c8feab624b440e008fa42999d2a4490bd395d8b3530f5099b839c1acaaa90

    SHA512

    73992456d11bb6af769b7b38b3b6cfbf037a4a5b1219f552769fb1a34d8d7727a665968ead8809c9cd234db451395ed9451da72c43bbc765a878947e63fef0df

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/cache/classes.dex
    Filesize

    1.0MB

    MD5

    e6830ad458d648a5fa24a3849375a6e5

    SHA1

    0a37f66e5a61c991ace74422ba74be11313cb4e1

    SHA256

    4bfa19aa1140485a58e1c09a0e0d922f9b39de366e21b579e1680d8c95200aa0

    SHA512

    1ebceab1afd03d175c0ac23fe0b545ccf3460d74722464c18385d4ea3318f6558792268cf9651c4be7f4b23b4a31b4db13d9c76fcdfc56cc1d59aae1a8f3a971

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/cache/classes.zip
    Filesize

    1.0MB

    MD5

    bd7a442eadd6fb799b9cf9226d42de8d

    SHA1

    9113f5635db8dba54c20815193f6b5a95534571a

    SHA256

    a39959f5a0d5d9995a9d9b88ba4f243372f0a361f91e1464db2439023d0b0369

    SHA512

    b0702edf1c53fd19f94806ad0ec3996b3f9896791be957e4b3e34ad4865ffb07a34726e808f5ebf06dd83163f50cddacbed12c486bab442647bd315ef8717432

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    da17a2187e07a2f1e8e0bf6e035a73ca

    SHA1

    4c545c1a918b6e76d3f2ddbe78a8ebfbb74682f0

    SHA256

    e36a8baa48d4c59d3c72707e0fcbc8682fcab1a341afed3a8dfa99eada8c4ec5

    SHA512

    8d960d78afd7ce6e1187d18cb9cf7ad753d46dfe3526b2592e4cb79d7867af4f0cc8b564ceb74e39ea799023670ae0c0df99604c20c0353bc8e8d1acc3713b5c

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    6ce10f627772c95d0028351471dff67a

    SHA1

    dbd34f00b90d492b9bdc7e9a631df07fa19d7b80

    SHA256

    0f470621a01d8a7fc1a7158b0fd89c148173f6c693ce11afd0d1dfc2d2194972

    SHA512

    28ae2ac48f4e9302b88e9f33cf9a3c0e76769128bd6cd4cf2db8ea22172c64824ae241a9c579ab6720773bebe177c6325e1b3fc9c48e7d853639cc517f324dab

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    22444053f602561ccaef2e4efdd34d4f

    SHA1

    bbe19cb39a7a8544512cb638ae0ae80d3367290d

    SHA256

    5a06e150756f6102bb31ca0350f586f0e94f9ac9d62725fbe828ee9255215e15

    SHA512

    dd745ccdc648e416e40a43ab4e0b0d900ae273aaf7d55459f6e82cedd76d5221d52e8835d02b8503b20923c36b665a4d5fd1d6397679ff61882766435bdcf490

    Download Submit

  • /data/data/com.kpkdmjhac.sfggcgdhv/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    3d4c7e98de2eef48863e374fd38a9866

    SHA1

    e5f6245a24888fc788f2e71b103a6549b2d1a641

    SHA256

    57f0bd142b41e432c4e1e5a16061e7fd3f994855b55e2d9f62772133b2cf5690

    SHA512

    2b57ae4b14938bf5a4fbd476b5d806e5ef214404fcec491ea6fd7795f9e7a481daa1490b1f3345ed48683d8d79f24b26e1742ac0787022836460e6c767ff6fff

    Download Submit

  • /data/user/0/com.kpkdmjhac.sfggcgdhv/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    19098cd7e44277413e06d39f1a929806

    SHA1

    66d4659e646461d1c97517692de3c94486f28e6b

    SHA256

    6891f312a747cd93ef3de8872de1bb520f2abc4b9830ac5f6538f6e17063491f

    SHA512

    5aa8e1cc9a3bea6ea6f6e55d34ae9eaf3c2665dca43b543e9b9cb2ba3e6b952443a6eb3b2749d17736bfa165b47e0430a509d48f749650e2cd2d183a84a5fe6e

    Download Submit