Overview

overview

10

Static

static

6

3b32f6d427...a0.apk

android-9-x86

10

3b32f6d427...a0.apk

android-10-x64

10

3b32f6d427...a0.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    159s
  • 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
    16-10-2024 22:00

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General

  • Target

    3b32f6d4277dff9a289bb614b053fe33f3cd267ec25eefb13732739b3d5dbea0.apk

  • Size

    3.9MB

  • MD5

    bb97f261654d91ea9730c7c082d31cfd

  • SHA1

    2c0431e7a167a7e7780c1a86202baa8b4adc7e51

  • SHA256

    3b32f6d4277dff9a289bb614b053fe33f3cd267ec25eefb13732739b3d5dbea0

  • SHA512

    3d32c8649e51b54a5eeeea35390ac9083388b0df2317bb370c3f9b8ca444abe87acb43fe4eb7bde6b05bc103100bf050e03a007202c88e50e26e5b69edf66727

  • SSDEEP

    98304:v2xPPVp0mopIMEHAiD9b3DUDDZtQQLPN0FrEr8SPepCKb9:OhfqaAiD9bTUXZtNur88UCCKb9

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

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
  • 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 29 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
  • 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.fxytfznfy.qwwzeiclk
    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
    • Queries the mobile country code (MCC)
    • 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:4239
    • /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.fxytfznfy.qwwzeiclk/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fxytfznfy.qwwzeiclk/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4266

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

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

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.fxytfznfy.qwwzeiclk/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    deafeefc56ec40f7cfd9ef66ca53d872

    SHA1

    695d7c96c6d00ff7b8375a61ced96ad1714fa7a7

    SHA256

    19fc1f3efa1f44e5940ac3b52782c323c77a114c48d5491196d3fced1cb8f938

    SHA512

    7cbe10b84e1c1e5d75c238b073d719e7d287ed8e2e0649b31610799d9b82061d276060be2268d8539681110b9fbc9870aa3d6b9248557d2427623753b577bce5

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/cache/classes.dex
    Filesize

    1.0MB

    MD5

    d95a323cd0d83808ba0c7e57af5cc124

    SHA1

    cd4171ed0b1927cdfa2327e48dea79075428c5ee

    SHA256

    456d9485e637af641e9726dc075489d35868d2989ea93bf94caafb937d137e0d

    SHA512

    ff13a224c90abc7889f69c6b7ee3148d986ba3b00d781762e2b094d24ba6b3bc3fc03b8b1a0c2a541ed11ee836a6acd19deb7adee002bf8d112a7e6d0669f54a

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/cache/classes.zip
    Filesize

    1.0MB

    MD5

    4438b118d9859d4cc9cc844e7ecd437f

    SHA1

    50c793085fce37c34987cdf83ef7dac87c61254d

    SHA256

    fbcdb972e64213e7211a6ba77609adf2e76b3483358d9ff9d77b66cf07e89ac2

    SHA512

    6406a035487fdb087eb429c4136c2fde364190187463d82995c271abc36403c093a9e3670c4156cf1420eb69a8dce0a2eccfe651c19f7b1d5121f222027c537a

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    bd22dfd006c7e9a902fcef30f44a6296

    SHA1

    dfe2779f9d35740c1d6cf9f2d10db86e0e328512

    SHA256

    669cf56b38eb9f60f1caf93d7f01d5d9fef06c0d762972e519284a03ca1f2979

    SHA512

    ab47ba3a6e3a783dbb944102c02e5dd4902a134a35c971bfdbb94926daa1d75e2f32b43f0f3122aacf4481333d818f36028a5c11fb06f471baea3dfe1cfa54cd

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    b7da060edd918ceee020e756e4fd08c6

    SHA1

    e008b68e7b2b83600c6405ce1ad9807076c59235

    SHA256

    46e24062a7a462eae17f0fb413d705acd9e5e49cbd24f2102fbd3d7422907f6b

    SHA512

    b59edd6d96ae8a191d58ad70358a29f822f2f73105d1fa1d561a785b187b9c93de8db3ea6ce78d7541ce33e0f4afdfdade3d50078b009dc6c47c3b5532d5001e

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    f7cf71906aa612328132b9fcc660f674

    SHA1

    5dd454bd42900f1d66b5a56e30a6aa128f2f9112

    SHA256

    5801e842717545d6e810b8890aa403793f67c5161c459d577a86b72aa84b1bb0

    SHA512

    108c49294cd7769ab7b5abcb3fcd8b2356f189b7ea6bf19acc7fef17cbfcdfbc87a50a21d50dbac0f926f1cb1d3b4c93b0462ddffee2c7f1dbfd76d9fe13ff30

    Download Submit

  • /data/data/com.fxytfznfy.qwwzeiclk/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    0463ad26fda6b1ed23ad9f5c555fb384

    SHA1

    5300cacb4ace88a98266c04572dadf50e054f8a6

    SHA256

    62583b002ba7c15fb51d3be8454f2d51da0389d5663a09cc6459d002cc62fffd

    SHA512

    532ba435611d55ec846e6879247ade1ba5cbbdc86bf8403c955855e7fda1672f2c3bcd5a1c4aa808c563a53d0697d43b60d6ea104374de02bde43208567d10c6

    Download Submit

  • /data/user/0/com.fxytfznfy.qwwzeiclk/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    d82cb873f14e93beaa7ce85f3c9be9d3

    SHA1

    70c76dc0f256384c88937ca3794efaa85986c256

    SHA256

    e29b06862d80bbf92ef003644b1563bbf8e783b69d5f5103458bb35f6e438270

    SHA512

    c2d73fd5d9637932ec314a3c2b9500dcb3db327d7dbab1c4c683fc39c6d6b4e24b06fbf13000dea226fe8168ba2617deb0e5427fc41098a1c968b61f09a93f94

    Download Submit