Overview

overview

10

Static

static

6

03a758801e...c1.apk

android-9-x86

10

03a758801e...c1.apk

android-10-x64

10

03a758801e...c1.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • 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
    17-12-2024 22:09

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General

  • Target

    03a758801e93a014043a1732a3076dce76c3ecbaa71c098f232524128e4453c1.apk

  • Size

    2.5MB

  • MD5

    f3908e8e6e95e3a9e080994f0ddbeffc

  • SHA1

    bab9c109be7397b3ddc6d8d59efe6ea437752ea8

  • SHA256

    03a758801e93a014043a1732a3076dce76c3ecbaa71c098f232524128e4453c1

  • SHA512

    c2cbc4e3ca66124874e7d0ac1bbaf5fe29ebd7e02d952728d74c530e9e5f4d1d11898fde42997037e197bc2a0b6d5eaf6571876d327353b3375805be4b02984b

  • SSDEEP

    49152:1xrHJyrgjv32xHTJ52K5RXpEbBCQs8yYuUYoM55XqFaEEy:1xzJ8x952O7BtYub55GPd

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.20.102

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.

    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 13 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.vytusqlaw.wtturvshm
    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:4273
    • /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.vytusqlaw.wtturvshm/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.vytusqlaw.wtturvshm/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4299

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.vytusqlaw.wtturvshm/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    f5dd38975edc733e1a10e2a4feff3644

    SHA1

    6c15fe1b8bb694108b1a18a36845e4b376d1df75

    SHA256

    db8535c796c327c2198cc6ba0fb3f79965838d8ddfb8e80a20aa858ac95eb564

    SHA512

    7742a24646cf73b069cdd6ed910491b0ccec1b26c1550d3bd544fd01ed5f00f60fc29cdf4416af9cde9f7df463efb0b333f1583a9ce9b7ac4b80d0543afe586b

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/cache/classes.dex
    Filesize

    1.0MB

    MD5

    a7539a5d97b36c5ca88cdf27811d9df6

    SHA1

    75022e3cb773a8468fd3f7ae667af0528238132e

    SHA256

    b4289a3e49d9ee358655d84753e9d1d0ce0621fa22b0f268f212ecbb43d7cac5

    SHA512

    e565b942e89f2a4fce6f0745e21c079d62c44c18fdfb39a68f9d343dc82080d814be1ecf8b420ca6cca6668555b4a3a5b0751cbfd700d3d0436f0ef4ab29759e

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/cache/classes.zip
    Filesize

    1.0MB

    MD5

    5fdc48f2638bbdcdc5946e2f1c9a1cd8

    SHA1

    622fd43cf3544cb5d2cdae750be2624ef91aa9b2

    SHA256

    046492636e7fd3b83a3aed0df3ea02d380761ed0c039b039dfa6a50d03f48f6c

    SHA512

    36e5ba8ba5679c0806d839384092c4adbb2de3c64fce62ed1f378c4a71c85d78bdcfefa9210b35d828a2d10186d75e4a7725f3241681215901114b9261aed349

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    d61b531633124ccb05bee7dce4ace5c9

    SHA1

    ede6e53e7777c0ffe7f19ada3c841e0980efd7c2

    SHA256

    1566ed7effb9550a0a3cc21982306d063b0ebcbddffef53c04079631c3ca5ce6

    SHA512

    7af72111be164cb287e017696461fee3c38384f69a4d7ae9e8879044331a71344f4034ebc0c3f700d7ec938d0d558ab7fdd4b6730320f1a69832bb1167c3a2d7

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    412dfc59f62418ab288751d3e9afbf83

    SHA1

    40cb3b8150ddf4ee5c482205e665c7a7c8193655

    SHA256

    212cb7295272a122fa8e56d4c48bcb63cbabe22ace065068c6f8759721d0e1ad

    SHA512

    da6ae08e2a66edcbf191e443075c8837bd9eb3351ac247aee74ebd6a0e564a31c37520ecf77756d9324d4c45d257b1b7043124ab6411ff6b60659ec4a4e3967f

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    879dadcbb6e52a74696233c5349bbe3b

    SHA1

    e5fc1a9200de27c7dd4499b5e16067cf9902e5da

    SHA256

    424db42521f8dd3cfcd6684271bd37df959ae3af7de1fd1bf2c3f3d2c36e64b4

    SHA512

    c121776a45a0287fbda061460932b7caef07a5622db86e49ac6d824b415f3fb283a17d5aa25326eda604fcd0a33191087f7b891468854b2c1171837aeea79c7d

    Download Submit

  • /data/data/com.vytusqlaw.wtturvshm/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    2d65c908b4f9e063cb10f6e1da4cc868

    SHA1

    b6173bc28535484ecf61f475aadc8d3445645a0b

    SHA256

    13e64f862a8b83a1b97aa5717b52cd41f359828ce30f3bc06f05a2c6bef584ab

    SHA512

    5811f4292e550ea7584c5bea2d0b8e9ab0bb2d14fca8fcf658069e1d875814dd2b8516d63163ce236c669758bab5442f6655ccf60c2e75e629320f261b15abd6

    Download Submit

  • /data/user/0/com.vytusqlaw.wtturvshm/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    db23162d504e43a3878bd93747018fd3

    SHA1

    db15a691821ba6d93a0506d5de343f8bc564a3b8

    SHA256

    d2f89c433281435dbe824310a58b4d3c7d29916f91c5a99ae5ee392069d3e2e4

    SHA512

    b11631cf4448f378ad022431ad4912dac525aa40fbc7045aa268433a9105f7b0e6265d7894446169fe8f4571b9116e96e48bbd2f633dad5ae2eb681ee24674e6

    Download Submit