Overview

overview

10

Static

static

6

1fa998efa5...46.apk

android-9-x86

10

1fa998efa5...46.apk

android-10-x64

10

1fa998efa5...46.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • 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
    11-09-2024 22:07

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General

  • Target

    1fa998efa52804a494169fc0878991e2834612843a26cb649d2cdc9c2430fd46.apk

  • Size

    4.3MB

  • MD5

    6b6db51b023456d43610dbe3e47665e0

  • SHA1

    6cd38149508ffa042b707d8d9b952269d90739f5

  • SHA256

    1fa998efa52804a494169fc0878991e2834612843a26cb649d2cdc9c2430fd46

  • SHA512

    084baef8848ac15f6aa60ee8c882a7a720dc4424244b8e1187571c02f5917507f0f9a4699d6080cf7c7252d54645f4f2f5b96bc9ce6b096b3ca2ea8505c5724e

  • SSDEEP

    98304:BvCubAHdrvKSxyXU+KiMa7Y/qozBfPl/vpnj:BquE9rKQz+Ki/YB9d/vFj

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.233

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 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 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
  • 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.retwpkhyx.watfdwdms
    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:4316
    • /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.retwpkhyx.watfdwdms/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.retwpkhyx.watfdwdms/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4346

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

System Information Discovery

2
T1426

System Network Configuration Discovery

2
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.retwpkhyx.watfdwdms/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    1a7393196e3979052dbe8300e9a39945

    SHA1

    0059a87e7ccc2b3fa8a49ac785d17ff9958d339c

    SHA256

    4619ac11548f6ca769308bf7efbe31f0b4806724c37e7928897cf06bafe822aa

    SHA512

    258b2480bcfc5b02e6fcf70c561268376e71e3d8680a7f3cec6830e167626edc6682efee10b4eb94c6d03c4694921765bd2cc5f1512c0039d42c180c65a24452

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/cache/classes.dex
    Filesize

    1.0MB

    MD5

    b66d21538720b5119918a60547b5ec81

    SHA1

    3541a26cdd6278103aabd002af9e505b7623a66a

    SHA256

    7438b99a04f1aca6ba14359ab0b4c78529f9f296f9a30938763d2d04734b3e9d

    SHA512

    58e4ef7abf9560132b14c4bb9913c37a6400633ca4801390c5aa5fbcb0d8e2c7c2ef0580b8de668f547c5455cc5f1880ca2080668a4180c7a3c61e5ac8731f6e

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/cache/classes.zip
    Filesize

    1.0MB

    MD5

    faeaf4da53ab23f0efd5b881ddca97db

    SHA1

    9dcb0716fe871ff59bc6fca493885bca5facc987

    SHA256

    8388191d3d8998f663b69760d8705220b02356387fa40d86afc4a4d0397760e6

    SHA512

    08f3c47c2c63145f312b756978159dc70536f54fe0c7084bed0d22f8714b53b0b8504aeea203acab5bbf981b06b1a632da6edb1f2891a68332a1241ad4e98180

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    359b1ce27bd7c88b2736e4536e248a17

    SHA1

    a90e28608f380979809a0176048267246303f730

    SHA256

    e1261838f46c073515d4255f69969dfadc1253886b40e720b53e8d047ec4ad07

    SHA512

    ca1a233fed279d74a2ddb774efe6e42cf622aabd469f4226687f212635972061ecea2c0c854075e061b870b88d74cdb129202f7028ef6668813d8ed72668783b

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    27370feff026fba7af5a78c3423ef010

    SHA1

    a911b55976ee85e9c209bfd0f75e026b139cb4a1

    SHA256

    c4a693985ba73f61148d68407b303f76872db0dd737cb6405776004487df8249

    SHA512

    84ca426e972e3ed738d7e886015b65fa5e5e19e807dc0435510308264f51fbfcc386c3fedc17f92d234d84f342cccf1187455a514d1a81774a6243028fd6e58f

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    d2e2722a75b4e4db9711629648ad57c4

    SHA1

    d687f8c7a5fc2473b5fcbf9a30aad6580a4beace

    SHA256

    775bca09b5c6a08c182c8a0fb13c7b8307791fca8cfba36529f575242df17bd5

    SHA512

    54e68b630dbe1dbb1d269c90ede62e9a521766b9b80a9450676ebe8ae20960adcb6a1fdd3bb619b902424fdccd384ca2beb7aacb881e07cad78a17beda8dff81

    Download Submit

  • /data/data/com.retwpkhyx.watfdwdms/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    cdbbb8ee35eca9bea62f4d8453bf65ee

    SHA1

    02bd02fbb39c4c9accd68e7406aec75674f3c2fe

    SHA256

    48b5609f2ea1c82fcc41d777f568eb342a06e5ca68b0a90920c269fb923dc435

    SHA512

    0aff66ac63ac6801d3e77a194ef8483ef7d43284647a8584b4bae59a95af2ac7cf34d8ac42dc28bc7a746d2b0647400892c97496beb0237595cc41712f55e2cb

    Download Submit

  • /data/user/0/com.retwpkhyx.watfdwdms/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    e748a54b7ec38d2b67de3daf44050f4a

    SHA1

    b4e71abfd03905d1cf57ec3689bebc92d871253b

    SHA256

    b5161e6be92036c61db4ecda2e07c33d86a6ed6de0d5e13a9de95068c6a4bcc1

    SHA512

    1a60c641a9010a7bfee0298fe1e08d217a2e7fa054eaaaec3ba93fbb960bc9a3dd119fff3b48376afec413e6cec322bf22227240fb29b8d4c978d31e37f02438

    Download Submit