Overview

overview

10

Static

static

6

5483fa7885...a1.apk

android-9-x86

10

5483fa7885...a1.apk

android-10-x64

10

5483fa7885...a1.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    194s
  • 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 22:01

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General

  • Target

    5483fa7885bfd9810be6b7d4a49f7e0faf88568cc3d639fdcb45eeba2b2ec6a1.apk

  • Size

    4.3MB

  • MD5

    ab0823e2a1af26215fcf6ab4b6f5f321

  • SHA1

    322b524b0c61041eb4236384dd3ce617e894b88f

  • SHA256

    5483fa7885bfd9810be6b7d4a49f7e0faf88568cc3d639fdcb45eeba2b2ec6a1

  • SHA512

    d8a4bede4fd052914f7c38b2401272e8e917cad43db44e49ec44dee7bc8973ef207897d077c969d4eec92f42c6d6cb2949089f9ed6d6ae933a2ee959e5c3905b

  • SSDEEP

    98304:HIhrZM+goR6oYA+Ozhr/45MW7rc+jFMKrvPeE3+SoouH:ohrZMSRf//iPFHPBOSPuH

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.mcaamhgue.nsnnrtmey
    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:4280
    • /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.mcaamhgue.nsnnrtmey/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.mcaamhgue.nsnnrtmey/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.mcaamhgue.nsnnrtmey/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    770d00dfd76aa819f75fa55b30f0fdbb

    SHA1

    cda6625bf7e4ac5368e6035bbe1286c69266c4bc

    SHA256

    9a0dfcb6f33c5fa91c91cc66fc342db5b4c1c7d8da0248500927114ac09aa608

    SHA512

    2abfb6b5deb3abcbcb619ab042d71d135460e7eb123822a2f0cd2f44c786338fb76653d907d18afdf87420fa9510ea5930dc0f5131b50a539cca0cf617b93638

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/cache/classes.dex
    Filesize

    1.0MB

    MD5

    2e0bf59467ab7bae6df8cc299e9de4aa

    SHA1

    f0f610c4b5e02fdeab2a3e6e2c95572daebbb6ab

    SHA256

    6f7fd23b7cfb8f35e8a6fb11fb0bc953bbe7e2b933c7a3427cd133c76f6d7e0a

    SHA512

    d51debfd0deab5c9eb32935f446d2ab0e05b09d7a426f058188c68ba89a7179cd4a3dfed26a5bea278866bf2f1b0ec61e923df1a5879007c553d266751c17dc5

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/cache/classes.zip
    Filesize

    1.0MB

    MD5

    fc32d987479c5043fe713bfc73c0b6a6

    SHA1

    9bce84125a7f816d3467081e3ce57b75d8a7e6bf

    SHA256

    361af81c62a7a435f136e88d586175163d5e0590a7435fa2f8ed1694e8f866d9

    SHA512

    a1c3662c2c4c542a4fdace66a6a8f08bc5ca9da9ed602709301cbd271011dbf25dc1241578d6f298b619d0f856529ab98b4b373f804f409dfa3a5528357d23a7

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    e6e96b1e8440fbfc09bcef244ddf9b28

    SHA1

    3525256f6ec0c918ce7c083898ebda2e36ad4d51

    SHA256

    17466d4acc22b40bdf0ff5acfef51672a3feed04c3796e73c9e678975e7e7ada

    SHA512

    60da61ec79f9e635c2dbad3ef488cd5de68d85551c3fd16b738b8190b726d72603190e6cb83f2a682a72e400b0e25457fe7f3d74c8de7c8f62a4bb8a94663cc8

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    2f1ca7eaddd0a274c6ca9a3141c94ed6

    SHA1

    567312e0444bac2b65097290d05d43c0cd199a6d

    SHA256

    a81221a486915d66d3eb6d55210b63f74451cf33749d675b092c00a5ae6859a2

    SHA512

    0eaa25f91c1068bd02e7bebba911c9f9e40681d8ef67eca4da03fecd8d7d5a0aa4364371382509fd0563872fc79093225a86cdb913c8e7e9c441466347add247

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    aaa62cc46db0ba9775d323c65e48489d

    SHA1

    c90f8ede9498f504c3071dfda71fa362de12b416

    SHA256

    803d1ee68e30edf3f117ac3d077a5306da734d4128320e70ad2963d9fc07c621

    SHA512

    e3914155d9dec2ae25a1b2d36aa921b07f17ec81a8cf1284e8dace3100891021b468c722b21a3a11e3f4943f28db0a76c52c224e642409023ea150db86478447

    Download Submit

  • /data/data/com.mcaamhgue.nsnnrtmey/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    2b56c30f4e9e921af55ec647734f3b8f

    SHA1

    fceefb6468e62f64a867b8271ab051ff7165d7b8

    SHA256

    7be6b83d359373c55291b4f8da9e7dc71d35503fa6a1a5a219de3aa542f7e565

    SHA512

    e49f5f6a6a03a055b82f2f82e5832ddd5a8a518a305b2072776f4ad62d2f4209ff6c14ff44e254ce0dfffcab255bea66153cc1f475b6b32e8dcad1d125a43d7e

    Download Submit

  • /data/user/0/com.mcaamhgue.nsnnrtmey/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    169a0dd82078a90b76ca5a014b19d514

    SHA1

    76d0c494b46583e2d0b7e8fea796c1db3ea6ddd4

    SHA256

    61821d2441b656bc8bd2ea0ee8377a9674bcef5d9921917adb61a8bb6864f43e

    SHA512

    e37d767b7d5d7082ba96a90f4c18fe8d4ff1567246a1d3c2a61d5fc267e963156736736df0d11a985ab3f3bbe802cc3f8d0c28e7468675e7ffa27d607dbe5a30

    Download Submit