Overview

overview

10

Static

static

6

199bd69fbc...a9.apk

android-9-x86

10

199bd69fbc...a9.apk

android-10-x64

10

199bd69fbc...a9.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    18-10-2024 22:01

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General

  • Target

    199bd69fbc255a3431712d1de98f6c70b14bd08d223d5cc859a6ab10ba7f2ea9.apk

  • Size

    3.9MB

  • MD5

    8eced96251a4a8c9e5d11a156f05d1d3

  • SHA1

    7fcffa6b92b72483ff1b293aaf14e219e47f44b6

  • SHA256

    199bd69fbc255a3431712d1de98f6c70b14bd08d223d5cc859a6ab10ba7f2ea9

  • SHA512

    d18e561b85c0d218d75f8d2f7d1f5ff1b73228cd3c059c9c743c59c53dcfc8d0695db0f8e7e5d564f9268441538c99c44398a524a241848a5f86c5120b29cd0b

  • SSDEEP

    98304:0hXK0V0gZHN5A/UEUAmzO50W7OlRx1rt9Pk6Z:N0VjZ/zEX7OBPP

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://194.26.135.117

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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    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
  • 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.shgdjsbwk.hezecrsgb
    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)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • 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:4334
    • /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.shgdjsbwk.hezecrsgb/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.shgdjsbwk.hezecrsgb/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4362

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

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 Information Discovery

2
T1426

System Network Configuration Discovery

3
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.shgdjsbwk.hezecrsgb/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    38307a3e049677219d48be0190ae0fbb

    SHA1

    eddfe151cccefcc1a763539348bc99e18c7c7bda

    SHA256

    0ca677b60cadaf1d224fbb13e69a71123a41b64be4c5ccc43502d6557a429683

    SHA512

    dac9f632929cc8234ba7a90ad9cc471839c72169df12658f8dd1d465a7dbdb5c13fbda5983e93b3fedf875512fc84be73bee3627d298deef6fde17d4ebec264a

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/cache/classes.dex
    Filesize

    1.0MB

    MD5

    885f8af047aa4d47d1fffa396386a402

    SHA1

    11b4a7526ed0f035eccb4cf9d94ec3b8047c1273

    SHA256

    571f19b24e664653f35ca1afb4ae18db37a4b3629f7fedc6b5a2b17cff5083b6

    SHA512

    d85e459b3af5669dc9ab5d0c6759e164cdb3174030849921aaa32634d31d5640ee0b0a2aaf538d0c25251a841763b628a046b60125732e41bb4199039b25997d

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/cache/classes.zip
    Filesize

    1.0MB

    MD5

    82383505b39965d7d8bed449020abc86

    SHA1

    429e280f8049ca4bf718d000f80c5817c23b1059

    SHA256

    946f74d95a576ed0c7ea406c8ba571f1142a3f06359f7274ba5aa7efdcb1a455

    SHA512

    4dd6be92838106fc59f06c55881af36a447d567af2a9c29cb4ee02e4c1d5d1a0603aa9f5b3aaad085bc25a7da713869564488f6eb29707600fa8375d5d0beb09

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    ca908924551201320774e12fcb41499b

    SHA1

    3b98f5d1db1d04ebfe4b9af6113999a7396a6a56

    SHA256

    41e27199cc273b0e095a8e8a00d5874f7ae77efbb2321e6fa9000b3671c19a23

    SHA512

    85ff3823760ffa379796ce83888ef54ca446509bc6b0bc6aa4ad180b766bea11c13959d2fb522ae7618429edfbd239ec6920970655c14da745e90dea4b5dcba8

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    4ccdcbdc0c78fbacff254fb4984bdbb9

    SHA1

    6e1197f20ddd34f1c848d41a475fed673b189bfe

    SHA256

    c2413b8c7be353f830848c044428422de15d72f652251862e10ace59c3b58bfa

    SHA512

    fba594c8093810c6865f53f1b9717705c77eeff3dbea8befaf8067152f574621bf3671989d1f8416e9f6a4226efb56a1db7bf38b5b8aea8a26b99c079513cc3f

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    7f2ff4fe07a8e7396c0630ac6fb88e4f

    SHA1

    f5e84a35dff07e4d69efd79479aab7f374c1287e

    SHA256

    24cec6f635f318b7f028a6934ee7d336b0986aefbd33cc96c6e7f952166085c4

    SHA512

    7f03f59adee8f58612ed7c883d7e1ceedcfd240530c4baa71918341902b42800d6565902f70768320566ff82a10fe33545bac72e27faf1f20d42d33fb2f6ffd5

    Download Submit

  • /data/data/com.shgdjsbwk.hezecrsgb/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    dcea336193636324abd2f2b05a084f72

    SHA1

    3f260acc86ade0384e23bbbc3ab682c7dd2bb100

    SHA256

    52defdfff8b08394043be01e6a5bcc8cf376ad150abea7f4d1f93c9e2ee1e6d0

    SHA512

    f7c5da5196be35c3cc672f60e35000805131ba9604a5931f5df50c5089334dec7d5daccf0699d607e35242d7cf1ec960247c3af7946c61d673dbde47815430a8

    Download Submit

  • /data/user/0/com.shgdjsbwk.hezecrsgb/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    c2009d8615a911c6406caf7824ff4d5f

    SHA1

    27b671c72162bd1794da28441de127ea1280a27a

    SHA256

    368f533f8dc860cd50877ec5a12a3375410b96242b6b0b08441cc0c788fadca4

    SHA512

    978fb3b1241c417d6812a4a716f47f9dedf8bb6060539b81163c96aceb5568ceeae043085162e17c3302b0344650e21642d489e0eb9a5d42ee0f254266b7da92

    Download Submit