Overview

overview

10

Static

static

6

584f739b78...89.apk

android-9-x86

10

584f739b78...89.apk

android-10-x64

10

584f739b78...89.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • 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
    20-02-2025 22:01

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General

  • Target

    584f739b7832e93dfbd6dcc096fed861aef51555c3f30ad0566f8c60013f3c89.apk

  • Size

    4.8MB

  • MD5

    faef3a863b438110a21cc7c4ee28993d

  • SHA1

    2497a8636eb9e1f7a246e6655b6c235d52817b64

  • SHA256

    584f739b7832e93dfbd6dcc096fed861aef51555c3f30ad0566f8c60013f3c89

  • SHA512

    1862c5369becb52ee60a69f7f3407b7d5fa17da9861c5625cbf19a537569835a4077cb922fb659d99d9bbe2ff851a885cfb002b6c6afacd0a1c0d2002e10914c

  • SSDEEP

    98304:REO37PfO2Qx2tyAndgW0ydTqfW39RlJMv+F/8XIPyqECKI4ZCvHqo:pPfPQcbdJjYfGou8XMyzCKIiCvKo

Score
10/10
hookbankercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://176.65.134.87

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.

    collectiondefense_evasioncredential_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.

    defense_evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 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
  • 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.ocvlotnvy.ssiriqyvl
    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)
    • 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.ocvlotnvy.ssiriqyvl/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ocvlotnvy.ssiriqyvl/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4243

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

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

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.ocvlotnvy.ssiriqyvl/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    95b6b963bb9e4bc5f9c4db48078b7baf

    SHA1

    6c584340bb3b3b627c66ffbe94636152f834f17c

    SHA256

    eb45b9b3572aa05cca1958c0ec17faa17027422111d52644f58efe4d23ffa418

    SHA512

    d11c9b44e69ab608766f28cd8e274151a2dc94c5214131e2053d2d43fd7d6d431eef5c921423d6fcbb6cf8554f9559d00dc49f2dc46c32348f9d2725efdd8ef9

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/cache/classes.dex
    Filesize

    1.0MB

    MD5

    678773db9b860a511dc626dc324b9b70

    SHA1

    a0194bb795c6261154cb4411208046920c82dc7c

    SHA256

    4fc367d4469590073053657abd9e485d30f4c048093e24acb555ce7f39444c6a

    SHA512

    ebe489e4036a52a093b052d2829a121757ef068915d449cfc238b33b699700cd5f66a481601c8e92c2fd8edd700b8275dbd06669731f67d7f253df3644f32e35

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/cache/classes.zip
    Filesize

    1.0MB

    MD5

    cba8e3877b8fe5d12f3c4051fd3a6ad0

    SHA1

    0762408c91e4bf6b54b6c80695b02c5bc68a68ff

    SHA256

    e18c2aa384c75a0200292482c622cfd12f51ea712c4a85371edfa0e50bac6705

    SHA512

    90be773465759dd2527f76b99b099b1b11c5b8a1c0faf9c9fe31f4aaa5dc71e6b140f86f748886fc899f0239615c5698be340f67875bf3e6c4def911e272fdd6

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    28fafc06f83164cea3a907d0824002c3

    SHA1

    696f1985c418fab14ae84735f8db3434472329d6

    SHA256

    3d8434b8fb0d3a673612588b57671a8ffbd41abad8eaf7ba0236e02bca238228

    SHA512

    41ff2ae26e683eefdbd8c281747cd0d8e6737df3b1aff867fa9ec519d9d6afa5e327c3b7fcfbe55a8df1908842714c0ff9981d37a772898c5f2baa2f7d4c2995

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    fd4792cc625a264bfc3aa5d8c2c744a2

    SHA1

    44516e82cd2f1ef6b79febe9da3c258540c3c917

    SHA256

    ed3d0774a8babd26e8ad7071596bb43ba244f02369e1415dda5fd8ef3b07b754

    SHA512

    793f77569c7cf44966cec4bf43253f707a5fbd4c2c226e7c57a0a070bcf0e77b548be48a3fc4008c84e592d08af3f80d50d4d1697e62b1b5b9b53dfa9ec4644e

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    ca7b9d22079289786022bf64e1cdfbca

    SHA1

    214b95ee389f8b2f89c891fcbd8639d1dc87d989

    SHA256

    54283a433215ba156170ee776eeaeeb0bdb30a356d6bf4d7a8d5cb09f3fe597b

    SHA512

    0618df03c74139b2cfaa0a07822aa449002ecb671d788c47c17e46eba653e8fa01ec9eef4fb15f75c64f07e3b88cf6df9be668b8df002867b4ae9c89fddebd64

    Download Submit

  • /data/data/com.ocvlotnvy.ssiriqyvl/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    a73ffa3cf0f4a0d768524a6cbc271431

    SHA1

    f2ce1312e9a0311a7a806567982402ae90be3a05

    SHA256

    9515ffe9ee9a4d9b410b3f9315fbb151e8b39c9e3e1d39d96741b2872d62fcea

    SHA512

    7b3a9d7579e0198807b2d2a171e5a47c296889bb349cb2f9ed9474611726cc26882a8f1dfd0890fb0f6f421cd39a3ec38c4bc204ccee9c238ba632c7a1219b63

    Download Submit

  • /data/user/0/com.ocvlotnvy.ssiriqyvl/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    8437065f7f8d2b8f6827d151e47d6aad

    SHA1

    481102cc31ab76b25621fad975f03e473083be1e

    SHA256

    ab6e629da3908ca6b61761fd6ceaef2ebc01b4eb913d718b20c886d1ab51e579

    SHA512

    a1677b7f273d3c7e72eb79dffc67a7a6d979e2beba676f1c47a9e24d958433c3b47b21d63389e50945600d4da348c38f77ec5698d7deac667b7f2ea1a0197a7e

    Download Submit