Overview

overview

10

Static

static

6

3a936bed2b...4c.apk

android-9-x86

10

3a936bed2b...4c.apk

android-10-x64

10

3a936bed2b...4c.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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
    17-02-2025 22:13

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General

  • Target

    3a936bed2bf52170ef7e39b3b3ab09e301845cbc60f444aef56ddb4bf797f34c.apk

  • Size

    4.8MB

  • MD5

    cab3ecef0b6751e21fb64da391d3be1c

  • SHA1

    eabb983383f949d482349b16f3d757f6e549f2e0

  • SHA256

    3a936bed2bf52170ef7e39b3b3ab09e301845cbc60f444aef56ddb4bf797f34c

  • SHA512

    364a580b8b5f331e5c8ada87cc430cc0c1627184bcc98fe51d59dd4f440ea7a804af2e36e9a21ac2c7ce8ae9879d4fa3659ef593dbdb250a2e9218d049b3f0f9

  • SSDEEP

    98304:/oIyYn7voji+NRqlH+KLOE6rXxNeEzFqmSPiB8erEwrewn0EuHM:ryCojhNROeKSJFqpaB8MEwawXuHM

Score
10/10
hookcollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://176.65.134.87

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 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.

    collectiondefense_evasioncredential_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.

    defense_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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    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.kjshwxnee.dgydkbshs
    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
    • 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:4259
    • /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.kjshwxnee.dgydkbshs/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.kjshwxnee.dgydkbshs/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4285

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

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

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.kjshwxnee.dgydkbshs/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    7f30461529769003f2b40661acea0905

    SHA1

    818f32bd10ced77f34355d68ea41e62cf692581a

    SHA256

    66173302822f2fa2149989764dbd7cee5e94e5dda77e13a89c4f1e94eb44a902

    SHA512

    2a0f9ebfb7ceb8112b9249cdc4f8b27b34954bfe81f6c303c11b7e96a8bd34d27545ce6e6078b68831d74a70c9b153dc38e6b755da2bb9164a05c87846c28038

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/cache/classes.dex
    Filesize

    1.0MB

    MD5

    a45c14deecf5fe738981f61f9fe51a09

    SHA1

    e4b33aa1317b034a98e1b4965013445cb5705317

    SHA256

    2f8021c0d8794e6d937e3bcb3f4a11ba35ec8e7db9b84d9f8b121e314b16d88f

    SHA512

    1e4072ba636d33371917c59d5c119a7c34635a052873acd8686f354e146188642da44d8540acafacca9695fc5869c8712fb1f351c8b28687dd12e1ece79e7113

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/cache/classes.zip
    Filesize

    1.0MB

    MD5

    1531bd58ad840bd1869f33c31b5a6713

    SHA1

    12f6bfac66fe4fe662ad213d2f4888cc85b852df

    SHA256

    67e0287013431d10b75f9c0b523cae4ded201c4e63de383200e4df1f6e061ef5

    SHA512

    afb872e53e0137a4ce7f73a54b5b4c89efd8482d98597ec2593c374a9a458a5613c08c5501cada9f4cd96730ad999f6318394e50aabf60dbd791f7f928f3e4f1

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    041ae535a2e866e2660314a72e9611f5

    SHA1

    a22c52c85ef3e477dfdd91cb78682973b5209909

    SHA256

    c64af5803f3e4b1a0c43bcc5dd78ed846fbb41d6bb6810321fe55907ff9a8cd4

    SHA512

    f7803fe0e63a74f77eefe423313a2ea31f30509428ecfd6fb2516dca70ba5e2a79d4dc8fad24cd146fe3d4b792ad082c67d7c2ad78df56709c4805455de00963

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    65507a87988308136cae62233f995f5a

    SHA1

    8e9089e23c342d7259978ec56f37135227d98f69

    SHA256

    f1dfd283ca8be168d880c7734d195dd0a32ed80858b75e991d4f046e6e4ded2a

    SHA512

    d4e86a7c16fc845656ca42518fdfe1acb7e1edf754618690e6669c183db56cdfe8136c9c3dc6411800c947f145fc1070a2827157cc88edd7dc0ef91c2a5a57ad

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    4dff099f808308fad1c1d32d982bbfb5

    SHA1

    30d36d868d4a3d23f7bf2cfb6151cdebe84197f3

    SHA256

    fcdb189ad1b1c49708d7523e844c5ae2ab97476e93396ce54adadc9c13991759

    SHA512

    796923ce2fc240bc3d21e58b64de9cf30160e1f644050037b529620447d6a309d321e8e47c244a8581dde60068781e7f8145e3e672de30f82cfe75f8657f7cc4

    Download Submit

  • /data/data/com.kjshwxnee.dgydkbshs/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    bd1adc2f5b229d466ea153810c60dffc

    SHA1

    0f10e311b4a8b41eb39779a88053376321098b04

    SHA256

    12bc9426a489b8a54ce65d3b6330daa0a834cd4bc29a8103a2d744072cce38a4

    SHA512

    c88f9a10af018e72d4bd9087c361cfe3aa5039d5b31aeadb15801b7117c533a0004ea71bf64062cf49f4e143ee38b4105deefad88abf0657882e82e88828440a

    Download Submit

  • /data/user/0/com.kjshwxnee.dgydkbshs/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    c32b9829722738b65dcd39423298adc8

    SHA1

    c8c5aaf8446c0dd453ba5ac3a88398a38ff3ffb1

    SHA256

    3a374d1175cea2b41e34034d2fa6f09dc9ea5201b496afb168749f8dee726059

    SHA512

    9bf93ddcc701169833f397847e890bd039c880dcd9e2af1928323a727586fed93ce28c2794ef52f981e0abbdfdbafa911eeb3615723ae1dacc0a48d4493aa62d

    Download Submit