Overview

overview

10

Static

static

6

7c9ca7e9f9...7d.apk

android-9-x86

10

7c9ca7e9f9...7d.apk

android-10-x64

7

7c9ca7e9f9...7d.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    160s
  • 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
    17-09-2024 22:06

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General

  • Target

    7c9ca7e9f9ebf5fcc5923e6b2367a65953388c9f0f1c9bdbfb43caf29637157d.apk

  • Size

    4.5MB

  • MD5

    f9072f04c2a21ab0186a37a82f828a7f

  • SHA1

    ec12fd57e7f999d7ebec04ab5af9d7da13a51369

  • SHA256

    7c9ca7e9f9ebf5fcc5923e6b2367a65953388c9f0f1c9bdbfb43caf29637157d

  • SHA512

    4ec51c5e34f1e8ef09edddb30315e12b9e0d025f99ccd5ac2a0f64d91eac1bac58732941cae995e695d1b093040293c8e0dceba2bf6ae3ce8cfb5c504f8a1d48

  • SSDEEP

    98304:qujDDhGEiZFXm+Hba9CwkRhaV9FDIeM7JeDPS3lPlJ/GAjT6J:quDhGEwmuaQRgV9pW7JeDk9J/GA3+

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://92.255.85.109

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.yfltmvnhy.hweyamlvw
    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:4261
    • /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.yfltmvnhy.hweyamlvw/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.yfltmvnhy.hweyamlvw/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4288

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.yfltmvnhy.hweyamlvw/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    e070491d0e2ddc0a406daf663badacb7

    SHA1

    9f5a5e19011ada477d39c5c11b608b221c580270

    SHA256

    b46d4487c71e29808b36b7ff74d3753a635f27c9f3d80e2b3343aff8ef985178

    SHA512

    032f2c53096297cfb5c099b70dbe15cc186358e8cca766b0008c191873c642385cc18a3d4c6ff5c08580b85bd0eb2a5250ce83cef2e5854d634ca3730754d992

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/cache/classes.dex
    Filesize

    1.0MB

    MD5

    63779c25eb9184eb0e35fbecad51407c

    SHA1

    089794accff9bbd98ff2235bc656cd3277035ecf

    SHA256

    e5b866f56b138e91877966b1f8f2b338893a6dac79d392d8c20534fd0e7a8c48

    SHA512

    0fbaebc7656105cb473c33cf4f6c3a35e418eba70b11d77738f3e224bd2dd23780cc6450ec70c81c41ba9b211d824d069a99c0d70c57ad257d0bd3fffdb49f96

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/cache/classes.zip
    Filesize

    1.0MB

    MD5

    efd8a18c251d73a803da3c88aadfc008

    SHA1

    5b68c16cbb13f50e884d770de7b3dbe237bb3c6b

    SHA256

    318e3c02564fe72a7c50cab2001a7aba25b4eb2b8201e22bc908f0a608e4810e

    SHA512

    bbddba58cd9bae3fd9069ddf1df7f69870c6574c568b85358c9d9feb7f63e39098b83063a8647ec3f8e188a43cf9ac813ef57e996c4e7c70925febd25a83f2d3

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    bcc82cad4b1db1a13437ac9597251a73

    SHA1

    9c45f4765fb50c4ef381f0a7ab66e522e206d398

    SHA256

    cdd71e1195a14f7757e79e0a2e5ff102699f46b850fa7f61b295569ea17ab866

    SHA512

    7ee0d4ae73ee0c1fe2dd52dfcc87ee26db6e56241b66037112c7b711e9652998fa4054d24c75696abb5f2d5fa84ccd59ae86a209dcefdd4a36bde4991b8c7fa4

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    bebe9047cc3e2b0104f0431920d99896

    SHA1

    abaa72631d5c661cccbb6be087e878cad64febb8

    SHA256

    d13b3dfcaaa1d750931cdbc5105c5285f9ffc5e717c1aa06e95b5d770c641903

    SHA512

    cb8d70a9b773077f1da87b1eb7c8ac5f93388c12bff4e6f7cd2147bb40f86055f96e8982faca61eedd2e4378cee2c464f817dd1214df6b761373cb012e47b1af

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    366fdab249ca28e0256effdb85b693f5

    SHA1

    e8b80f667546e837fdcb0669a0e4e576cbdaa640

    SHA256

    6f7d4041c5690762df7896399867b908b99193be6fbfaf31a6d1ce9d06826e5c

    SHA512

    135f0de9d52412ca443b052046a35e9ec18820176cd65c2144260ab8b79369535590d0d8bd953d4b000762506c65c1d558086545686ab9f013765d57732e7753

    Download Submit

  • /data/data/com.yfltmvnhy.hweyamlvw/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    8b67b30c19c4a673461c9a7265c37253

    SHA1

    0ba80d4195acf56a277d7977adcf1e3165b9fea6

    SHA256

    c8f56f528c02e3320bdf0ff430befe566f423b64e70273d868e4c771703a6c74

    SHA512

    7a1d0643215654b5473bcf4f45228fed064b3b5a68a8bd156698fb66caaa95c40c087472c667c31596a01220f672b7a8d8c60d9a8059fc417675142d505ead74

    Download Submit

  • /data/user/0/com.yfltmvnhy.hweyamlvw/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    17ee29fd23a6cda1a2c30dd3401a12ba

    SHA1

    cb7533968b7b49a4e50fe500f2dd5ec63239e457

    SHA256

    70d164a00a665b8640527a86d013fc4b5d063277350d45759849de8721285542

    SHA512

    15cdb369fa661b26707a868ee264c33a9972e5e790bda50e2a750f323baf00c78aefb87aa6890fddc3f618a59d274d9a4b4e4097908ccb3daf1541d99492504b

    Download Submit