Overview

overview

10

Static

static

6

4e08b0bf9d...c7.apk

android-9-x86

10

4e08b0bf9d...c7.apk

android-10-x64

10

4e08b0bf9d...c7.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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

    4e08b0bf9d8f80edbd91da1b65e62ac7566c4602b31d5e1fc7c659e7647d29c7.apk

  • Size

    4.5MB

  • MD5

    c4ba4e0834ae3423c083b3c2b1567be5

  • SHA1

    90ec975973b0925d70862e72d7890cf76ba65584

  • SHA256

    4e08b0bf9d8f80edbd91da1b65e62ac7566c4602b31d5e1fc7c659e7647d29c7

  • SHA512

    13abe943ef3a983fa2faadba15e5fd955274ff8bfbd4eb1bd86303f171a4b21ba74bbfdd27253bebd3196fe587683135fd6f11abbf593b6ee28acf9148cb91d1

  • SSDEEP

    98304:Il+YtPzwd/hhc62oh8Eue5GFjfrMMPzc6GdhXXvzRNB5Xs:Il+YtP8hhcLRY4FjfrMMPw6AZvlBs

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.isethakvk.atexkdybx
    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:4303
    • /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.isethakvk.atexkdybx/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.isethakvk.atexkdybx/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4329

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.isethakvk.atexkdybx/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    e2129fa6a62c50b32f58e2d8cdeaa2ae

    SHA1

    e0f7a927868a243069fa4e19e3e7d7b9a46350ce

    SHA256

    681cad66c3e2d3de7b4952be46510aa2dfef2c20feaa18514472074321bff399

    SHA512

    70753d60a95d4d4fe3ad5d1e37ead87c9f97a194abb72c6c02c27e3e0842969a1be18acae2e6601350fd16a61b549fbe2acbbf514f1a4b19ab7515117d4e6c18

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/cache/classes.dex
    Filesize

    1.0MB

    MD5

    e3cb1b8783660459b772d51dee05877c

    SHA1

    347a7121dd9167cf655a86643988fb87fd58f0d4

    SHA256

    c7e8ee170c86c5e93d5ee68845251efeb3da79a11b37bbcabe268e82ed351028

    SHA512

    86da101c331acb16bac742bf7824ef99005588e21f2e188483fbc2fd6916f68bd1062f020799a33d6eb096faba5ef7266bd47d97eeeaeefb8b0b1639567626b2

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/cache/classes.zip
    Filesize

    1.0MB

    MD5

    28d7a1a6f071eefcbb4aa636bcf61644

    SHA1

    ed241e8f2f5ddc142de555df4225290b18679800

    SHA256

    7a2ed56fe14ec45c3deff59754ed9e3b8d8cd6d41f1b717467ac9c55986c2f27

    SHA512

    25acf50495262827fab655f3d7e0e0e15ca632a639ad964874663559a6075f53be85bf833f4cf51e908ce97de8eee32c1156b652983519d4ddb5f66c6c533799

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    98586567124d107fd036cddf21a53bf7

    SHA1

    30b0f52435ba89ef408dbfc1594a49a69df85b05

    SHA256

    635d8a7614212d98b31b9dd01c0ec2d70107f88178ab47149256635e7a563b5e

    SHA512

    c60594d2e056268dc2d8f444c119b671a00eba420acdcd9534ac73f7d45132161c1b44447bee003a7df57085e3c100c5b60d53d52abbbdd2f2b7f3163f11ca59

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    410430c8a0e6e9bc28e47a51a1e8f026

    SHA1

    e0635127efbac1a3b1feae0786507711813de62e

    SHA256

    ab34d5d3c85a98ec2a257f086659f3f17cb9286094273ddbd8b08775ce8e5337

    SHA512

    adb75bb47a61eaa64294123fe08837f814513fb2fbda746bf962461777572fee2473bde06bdc610cb4897509e32e36823484a529903733d98e0ba3aed4eef0ea

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    254794f6ad870ff5ccc90cc0e5659264

    SHA1

    a77260cb82a57ddfe28e210e3ba4398f921bf4de

    SHA256

    b5f7666aefe1c39e8406e480ca0b9e27d0aa691f903d776cd0f17f55ff6cf823

    SHA512

    304d00b96de724a45d7fcd30d91289afc07e3665913a51054bc0a359a3333a7318e31b2c11e55d2a4da8d539102b8836f26b8d7c49da835722c39976185267a9

    Download Submit

  • /data/data/com.isethakvk.atexkdybx/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    6481996775fa06aec3fec8b81059d85d

    SHA1

    47af13fd6d170c436ec44781d58e44ca14a7b8f8

    SHA256

    5af04e5090777da95cb9c7fca08c8c3bc042bea04eb70cea0b8715533dd3e4d3

    SHA512

    8d8b71096bb5327bef8aa83c042371659b8013f1a27a0c036db28f7f2b9e24e530e6399454830372705d728b630360212dd2ff56874ef2169f21b19cb039c62d

    Download Submit

  • /data/user/0/com.isethakvk.atexkdybx/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    882e1fa6424f3c66134104f33f2dab80

    SHA1

    7e330ce381ba79d3127d192c94d88393b62d8a72

    SHA256

    ed14121ac3f9f088c6a853b22cc2920dc28b6f249aba819b840ccd6c54e85b6c

    SHA512

    a8406d197f7841802caba902b9e22b4ca79a248e87bf9d016b3c9f1c0ccc379ac97f1f2bafd9ff708fd2346c2a8aefae5df5025a2264412bf0633cdfed4bf9d5

    Download Submit