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Overview

overview

10

Static

static

6

9452b4fc2b...8e.apk

android-9-x86

10

9452b4fc2b...8e.apk

android-10-x64

10

9452b4fc2b...8e.apk

android-11-x64

10

Analysis

  • max time kernel
    177s
  • max time network
    189s
  • 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
    06/08/2024, 22:04

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General

  • Target

    9452b4fc2b46b99f309f620856a1235320a4fada2fe606edd470a0878a45d08e.apk

  • Size

    4.2MB

  • MD5

    8b4d1df35b23f264d4a0591e07b45d84

  • SHA1

    bdeb3eba3781fe2b380e0f9900ae39013b617468

  • SHA256

    9452b4fc2b46b99f309f620856a1235320a4fada2fe606edd470a0878a45d08e

  • SHA512

    972d7e311cfabf60bdba12d4eed37e980a6f6de3c54229605241f74783b822543b1bacb4d3af75008c663bf3dd4ade10b433a5096ccb16dab7128bd18afd5d68

  • SSDEEP

    98304:AXdn+NuhfSy262uagJGGII95IwfJdQ+PqOuWsm2JaV5sdOUwg/A:qd+NGfN2ya8GGII9v83RdOD

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

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
  • 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 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
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • 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.gtsbkixel.asbfpwyrn
    1⤵
    • 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 accessing notifications (often used to intercept notifications before users become aware).
    • 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:4258
    • /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.gtsbkixel.asbfpwyrn/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.gtsbkixel.asbfpwyrn/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4288

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

1
T1628

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Credential Access

Access Notifications

1
T1517

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

Access Notifications

1
T1517

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.gtsbkixel.asbfpwyrn/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    636b4fa6ef9c46489bab2b9f69023339

    SHA1

    ee86f9df91e041d6ec835c177e0b84a99fa062be

    SHA256

    4934156e0a1315bb3084be7b404bf525275114f2fe031772e38f97aafe2183eb

    SHA512

    670e0452335f5c0b917ff0e7ca05abb816d85ff08b4c22b009482e4ded0a553675d7e1bc4bcd4a05d27f71e4524156dbdb00d3289bb0d859923f6a32ef3aec5f

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/cache/classes.dex
    Filesize

    1.0MB

    MD5

    5dc422b72f15749dca3efb7764123eea

    SHA1

    17f479e6cc1e7654dcc413e6e0a9970ab51e9a57

    SHA256

    1eebef777ef76b879cc5fa533669ad3d2e81e707a141e70ebf6683cc0e2ad3f0

    SHA512

    b8922bc6c723702d8c49050f72698b1a3d0c024058e1162bdd15f166f368559d06d1719a8e857a77ed6de70af584f021092fa27c3190302d5363660660df458a

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/cache/classes.zip
    Filesize

    1.0MB

    MD5

    2c5ec24f892acd1761c3254749ac436c

    SHA1

    deac1211ddf8baaf5ab741a893ce96cb0f832d86

    SHA256

    589828535c72764b86d99b597d3a836cb7e025540164dffcad925c09725f9347

    SHA512

    9aa60dc2e7bf2036c7b0fce58f8d736d4a85b47e771cfd8309639cdfe459f925e66af21d7207bce2fa7457d39cb7103f362e89ea82845e5735a23808b90afa93

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    34176c7abdc76bb2f8dabac194c3d7f2

    SHA1

    ab4445912f5d4d0e22e7559e6bf4658c75705829

    SHA256

    c8e4193aeff7e86995bef2cbc4a47894e7a433444091410cafb671eb51496ca0

    SHA512

    265823ff4b860994c08bb2be08330045be43eee5a9c74554f59fe94b453d0ca23d8874c3f5caa42aa3e20006845814b7ebb444d39c0b5163cf944316be72d5f0

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    da92269a6fee9ba5a579b1b978b4f40c

    SHA1

    3a008f37158dcdfce646b6ff1c68ee439ebb8340

    SHA256

    e577ba7f6040a967e345c85606a82da726a175567620796405d2da6fd0870d7e

    SHA512

    73c282fb8f13fbb90f34af170a71bc3fb4f9f4dc296f18fdd59f539a869a38f3c1652ffbce2361a84c7aaf54e4bb19238cebbb15d03ddc5a9f07cc44b17c083f

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    234be50489bb35d792e9ed568dd3b03f

    SHA1

    f9edef1723e421b6926763812ef0a7826287a3c3

    SHA256

    1baa2c4ad18fc422d6e78fd1c8f75d27f57becc5e8eb40e033b20f79e43ff644

    SHA512

    d1e0e6b1d408112752c8114b862dc4397a9b1ee68d95b485a08f8927bfde60f0ba6869211d822f09b6dc913f950dcf7a8b35389cb21db1ea619f145c0aaf9074

    Download Submit

  • /data/data/com.gtsbkixel.asbfpwyrn/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    ca0f6f579f975ebd47dc05441d5ccf5b

    SHA1

    e1d4cda1c623b04a9c1c01a7e6caaeb3546dc7bb

    SHA256

    bc3c75f8eb06c439b03b6ea6621932be69b591502eca1194c817bf1e76596bdd

    SHA512

    ca094e82c70a7cd2b95bbd2f2107af1c20d366b4168be70cae6183ee6c6209aa21c27079a88a581a046a637bcbb91ef1b1177a22c1f62a2aebdf551554508627

    Download Submit

  • /data/user/0/com.gtsbkixel.asbfpwyrn/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    8306ff1c415d456ff654f2b17ab3395f

    SHA1

    785f300226381fd1d8c5436e6e0d36923a652738

    SHA256

    fd5703895548c0f14918492ddc5ddd3d6419cbef0410488e573424a3419fbcce

    SHA512

    bae950ef4fef2e44e9a8c72e1aa9eb56acf5423f9f8d16521d524a9a43297b7e0bc7febfccdbee0c805d8ac39679df86e35c94ba86e16de7699d8ef4f7c463ae

    Download Submit