Overview

overview

10

Static

static

6

b6ed31e032...56.apk

android-9-x86

10

b6ed31e032...56.apk

android-10-x64

10

b6ed31e032...56.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    192s
  • 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
    13-08-2024 22:03

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General

  • Target

    b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756.apk

  • Size

    4.2MB

  • MD5

    2341dd73ad23f53bc3a9bd1269fb2096

  • SHA1

    b7c10cff0d8018a83eb2fe93826a72228d590df3

  • SHA256

    b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756

  • SHA512

    e95766f257e1fbe2e47395171a0aaea554c42a7baa3d232c3ca23b725ce9eb8de2ce5caa165f3ce61bd967a4c05bca37c543fd75329aaf586cf8c80284ec71f0

  • SSDEEP

    98304:U3iHKtQtOPdcmMAXWADwV0rrZT7RMraW+IG0u4j1Oqz:DqtQtOPdFXNwVOtTOc3cj1Fz

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

hook

C2

http://134.255.180.156

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 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
  • Reads information about phone network operator. 1 TTPs
    discovery
  • 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.cdnbwsqqe.dxmznskla
    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
    • 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: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.cdnbwsqqe.dxmznskla/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.cdnbwsqqe.dxmznskla/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4290

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

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

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.cdnbwsqqe.dxmznskla/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    1d4c515f2288e6fe666ad3df34a20f6a

    SHA1

    613152f617d917908fa4f086a789cab9c0c953e5

    SHA256

    00e64c5197f6697692b326a3495eb62e97b3ff11bd12adf6dc287fed1de9d37a

    SHA512

    2a29bbff859774c2c9105ed7cbb9d1a596d352ef28afa8fa44fb49464e962f02a6877e6dda87392e7d466d61fcea8cf252f6135f7bdf9164b49fc26a96454212

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.dex
    Filesize

    1.0MB

    MD5

    9447ea843495097b9e07a7b657929ce6

    SHA1

    ff4f849f561910a008501c2494349419eb4a94f1

    SHA256

    5b13538022406312a946eb7f897ed0b613bffc88f35bcd00750e12081c04fffc

    SHA512

    3952d88d8134f02dc8ed6972a3055eb24463013f14df97a4aa18497d52fcf60d3f571514048504b8cba88d466f954e5adfb889ed6fd9f7a685d126fb42fd0ecc

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.zip
    Filesize

    1.0MB

    MD5

    b7a1d2fd02122ba2cb316d1ebdb50a20

    SHA1

    3773617b00e07612fd8069d78a9f15ae307c7a24

    SHA256

    f4899f302c0370f556fa3a89ab3103a9db26d02b6b6856f7f0c8e4487e115467

    SHA512

    890570c671dfc3fc86af420bf23de01bd9b54584ec5e7f8a6f335be9e625aa6d1deffab39500057f42a77227acea20085e199f5858db844af15f013487fe6c44

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    68cae119350afd8cb6dff67a75056a85

    SHA1

    f367724bfe3f73504d4d42be09303b61b6ef6605

    SHA256

    ac7aed89236a23684b79ce26843478587ddf71c5109ba9e3fd79061be4fb35bc

    SHA512

    007e593b18c69f8f8af45ca636fb7c96cdfe69a4092338c8770eed45ef405a87ffe60f8f884334a12f60807f05bbc4cd9bc2ee9215aa7c2abd3bf6c79e7d6236

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    82e7f3260066c92805997ef46504141c

    SHA1

    eb5bc0d9a56f0581fa8ada465c1a580cd989c854

    SHA256

    9082b3e797b6ba4fabfd7ab91becea0a1048fcaf645a46e6425e8936214b12d0

    SHA512

    207e9fcdaf09d1255e1f2b3b8bc6abdbf5474f0ec01594ebf97f46e307abba4855fd57f77ac1594696859c67df2a710701768b62c61b26370cb2d03238fb1c61

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    fc3099006506dc0ed3391666336e9cda

    SHA1

    6b6b15120b77737f2c6e78ceb8dfc3292cfe32d5

    SHA256

    9ef9f6ac0b4ca6fa4c1815908aa6917d44d3b54e5937eb6dc14acf355f40cc88

    SHA512

    4d47f7cfad72cbb9b4ab5e764e175f32e0672b3e55afc09fb17eb7c32172cc6076f15097c38de8e7984bdb4e37d80550b1a0a2460056fbb8ceec57250e33c1ee

    Download Submit

  • /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    c4edf1609fbcd727c9dbd8d808f73c1d

    SHA1

    db5f01e561d457118454685f23fdd1c7a56d9ed5

    SHA256

    445c078b4cd6001ac9cd36ed2f83fc78a9befaee8dc40614f04ac9f07872d7cf

    SHA512

    a4784167bbe79a6a353c99d5c17f38af96f2ac2978b0b7aa701b834fc283abacfad2258eae0a280a6b32a5df4b07e485163bf8cc1eafb85e46141ef7a3495f9a

    Download Submit

  • /data/user/0/com.cdnbwsqqe.dxmznskla/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    c395d76628094c84dd2dba4ea3579415

    SHA1

    90e6c0b5db8434184a3000b57d2557452d77581a

    SHA256

    81122feb563280bce1e4ba76da3c6b3f224550c7966a0502a2fedb7819924016

    SHA512

    3bbf3be33c7050aee00cd50747502cbf8f64c96a1ef64f3e59192584e5237b05260c60bf8a74c0e78c9de9efb0536e8ea451fb1eb66b1bef1455b6cb7cf96bda

    Download Submit