Overview

overview

10

Static

static

6

b20cfaf9c4...59.apk

android-9-x86

10

b20cfaf9c4...59.apk

android-10-x64

10

b20cfaf9c4...59.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • 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
    13-09-2024 22:08

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General

  • Target

    b20cfaf9c4fdbf40bd28b69f6d5fd2fd6cd8a76ff9cbcefbadb60c6363341b59.apk

  • Size

    4.5MB

  • MD5

    b162c41729db808b1a5732ec0da2e1de

  • SHA1

    6f4eea8b3a20d658de73455ed61be6faeb6ebee4

  • SHA256

    b20cfaf9c4fdbf40bd28b69f6d5fd2fd6cd8a76ff9cbcefbadb60c6363341b59

  • SHA512

    8120b184d778b7133ac6732129ca596dbb3f6b275f9769d117b3766a0207d9087e25cd2fef0c7e3abda3c2de6be55025003599ea6f131b58ad15ff424bf5f96c

  • SSDEEP

    98304:l9QVCCy+q9B8iumSTbMR6BeQysDUzK0GlAq5NIml/:nQsCy+4SmSnMRqHNDUO0h6ImR

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://80.64.30.123

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.pxhsoqjey.lrdnjvfxm
    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:4218
    • /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.pxhsoqjey.lrdnjvfxm/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.pxhsoqjey.lrdnjvfxm/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4246

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.pxhsoqjey.lrdnjvfxm/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    25f654ab0da9b182c9cf868fe8b4f02d

    SHA1

    ca4267b6fc4695dd12461492ddf0db28e5cffccf

    SHA256

    e5b897b017c9df3e198e982092995a03dbcff5cc0475d7ec5365ce9ed5063186

    SHA512

    b2008a43f9d60ee68704e9e9de3872fd045704c1c12416fd58b6c33ca48ea56e5e82ea3abba57a7da2c5141df082260c4ccca79f6704c351f887dd2ae8f196c9

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/cache/classes.dex
    Filesize

    1.0MB

    MD5

    359641699da3af7cc1dc45aa205a230b

    SHA1

    c64529689b76833da9ac3d65257395d200acece9

    SHA256

    fe0d75a066177dc89af2b85b0322beda5c126bfa38ab2af237a30dd8aaf26bf2

    SHA512

    cdc21f3b7c942298c84a5cea3ee7a9cd84e1ac29d30783fa433a630e910c1cc64a982d2e82a04733cc90941437ee65d27aff8c08b2b7f9160b1d2de177c38ff3

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/cache/classes.zip
    Filesize

    1.0MB

    MD5

    fe97ebb3735e71f140b1cec1ade3f49f

    SHA1

    4a9f37c03a98285b5831d597ffb2006317232c7d

    SHA256

    39636916d7e73c2ca30ce30e2f910db69f216838318cd6f082c8c1f111ea3b1d

    SHA512

    9fb1ec20fa9a5b73dbb031ab45e63579d6e7e41f1559ac1f6482ab9173a7f4f113a18c7b1b2f9187d49fc2a18b9372b444e3f5cf14d1fd454ced79702e0330cb

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    2851dc01ae85d50a3e451c92e2e3a3ba

    SHA1

    96c82409d1f5a7c52534b7f2bbdb185ea27efdc7

    SHA256

    48a8451eea5e6b8bf336665818c4ff1e27171050619826dbed095e6e15e28b87

    SHA512

    c8c5cf1a9042095a8ae530cf1260b383caf1238bdb2d9d5d8de10e11815d176f8653a2ec597f70fe4914647e6686cfc033cd58b4a70d0fd09739625dbe47b575

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    57cee1ccd68f208bfe506bf9ccda882e

    SHA1

    526a48d9e5be4c5d14ce62856f9b15ddc8bfc8b9

    SHA256

    f2cfe058e3189aa11e6d9a94d44a85b50aa8c7d8646e8cd48645f97f41afa0b6

    SHA512

    8fd6071b7e320ffaa0333e9384cf2301cd6be40d2b83c242e357e4c7b686b83a75968192fa7428b20b07996e6218adcc4d398b8214164bcf07b93898062f62ec

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    6076470a0e7c6191627a77d2e1d2f166

    SHA1

    8af335a775652386d0b81f9e7591ee7f6faa2ba9

    SHA256

    ccbe850a88d176a625b84bac8bb1f613a0144b6a61f64e19ce624b38e0ae206b

    SHA512

    9d235412fe322ec067aacb23901b27f5edb3d12fce3a68539b3d2223e384bdcd701f0c01a412d382fa0689440467a26b1e49c19f38e7b7ccaff0acb874114d59

    Download Submit

  • /data/data/com.pxhsoqjey.lrdnjvfxm/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    919d10359d3e287eee29976068b432d1

    SHA1

    7660605e5d59d086070b84548872a172c9036017

    SHA256

    5951c740c0e5d1516f475290e3d8377eaf02a7ef54f1754df0690fef0e77270c

    SHA512

    70dc154cb24df285846308cbc9db5ac1e79b36cb79e53d7ff4791d26d7c84251c41afc9c1d5777ae870408bfde586b3a90009071aa3cac690dc01b0aac871940

    Download Submit

  • /data/user/0/com.pxhsoqjey.lrdnjvfxm/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    f94d233029dfc13160a827af82f9bc3e

    SHA1

    664c0962b08713c270fef772107ee61cbc6c834a

    SHA256

    f2572c53ef8fbb535271319a1a808ab46a14524b130390f75a885d96b180fa20

    SHA512

    daad0de94073422d05ce174c82ac49d98adbd4fa9d3ae4a59da64d767639120cd272595a12d1fef7ab163ea9586fece7ac0595b78a423f7d08126f3853099419

    Download Submit