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Overview

overview

10

Static

static

6

f07042eb48...1a.apk

android-9-x86

10

f07042eb48...1a.apk

android-10-x64

10

f07042eb48...1a.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    165s
  • 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
    31/08/2024, 22:04

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General

  • Target

    f07042eb4827bfe545baea4a0f0849f4660bf64c5d3da0cff122c807ed63411a.apk

  • Size

    4.3MB

  • MD5

    0f55133414688a8871a4ce13dbed9316

  • SHA1

    0b79cce5e5ba8af04c0218544b4e8c5053cccf4d

  • SHA256

    f07042eb4827bfe545baea4a0f0849f4660bf64c5d3da0cff122c807ed63411a

  • SHA512

    5e479fc9eecb2111474e14546fa7b46b6a8122d6eb18380500f5078ed6b32cb46a84fd83660d55447df8157377ff93107e7c0530d3dcfe1cdc46360a612ea1f5

  • SSDEEP

    98304:bbahTgujtwsCuhy2oNG8bqZrtHF3emSh+M2XUFBfdJaBpJB4YN:a2uVC0ydM8bmtUJhN2XUFBfdQBCm

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

hook

C2

http://149.50.108.117

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 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.mbrgitlli.hebkcgyuu
    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:4265
    • /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.mbrgitlli.hebkcgyuu/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.mbrgitlli.hebkcgyuu/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4297

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

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.mbrgitlli.hebkcgyuu/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    bb0b2d0a60ac3e96ad5430a0e7cb1b2f

    SHA1

    9897f634a80f725db24ffb7964bbba6b9cadae24

    SHA256

    8ddd1abac262b63eae1bb7dcc6f0009647b4fe0a9b64a0bb237419d659d3bd9a

    SHA512

    e3f7d2f956d276da56ad3d7d24a9786aeaee9c4744b00f797e3f480cca6e24a4e3021e6c1eb192d435207fd14b344701b1a885509077a093eb795009bfcfead3

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/cache/classes.dex
    Filesize

    1.0MB

    MD5

    d777a60f9bfcbc7c2cd0be7478291c60

    SHA1

    d979e5b020e18b57d5c048e94935d98dfde2cf3e

    SHA256

    c8608caa106d188838d0d33a432b157a00d66bd704ce3d0bb4c170aa5486749a

    SHA512

    fae2bab9e71a1576b1596401a5fabf8ff8b6d5e7c1400744a8d9e0db341aec852189127596dc59e79d1580fe809ad8209cbde80157c2a20499e95bd8cc3e5c90

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/cache/classes.zip
    Filesize

    1.0MB

    MD5

    debf1bd82b6f9cfc87bc1e71b83d9778

    SHA1

    786635f611dbfa8f881e0f2148be3ae142fe1206

    SHA256

    fcd7b7e5c553c6e827e43ce5fb7ee721d61c1f1fbb30aa6ae5b5d7c3b21b3a75

    SHA512

    8d0e255ecb65153b39123b527a6bbade8301f55a85a1435e3ce56813cca65f52f3d507c207c8ab55c39114bf4a2c9ff907fd8cae2ef7fd5e7e7c33f33e4960aa

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    f858426365576d638fb2272010ac90d8

    SHA1

    67bf84a67ab1c329283cedc48613413de0e4a741

    SHA256

    133679a69811bb9353babacd3facdcb2ef805716a34b2751931fda8baac3c1b0

    SHA512

    feae3c92d7b0833109f7d875c239f90a4776afdc3c64d33c23cfa9a8cc5b5e9394bc41f62408c5bf0c9f5d117e59d0c9f9f917c80dd5395e36d579d0743cbb8f

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    4788e1145d4b87b7fd4d9a43b0c02df2

    SHA1

    eb6788f4c5fff18464947108e9ab9bc129327132

    SHA256

    b2b7bd440a02af2fc2ee7d7c11ed33a8062da40433af9fcb261e08dd6a770135

    SHA512

    d0add608ac119d17ce23bb86416b02ef14b16fb18bc0408af56a31ad96eb90dc1b3387eb499849d5a1714cd739d48055be00da04f977319a4bab73de552eeb18

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    edc4d123ff13aa0d379df28fb40f89ca

    SHA1

    d3cb2424197bb9b8e636557b84dd8bce38826473

    SHA256

    1ba381297c72db5b64063098ff9d4ae075278d290b73b3cc708f627e3ec741fe

    SHA512

    bcd62eca1be16b344fefb3b7e43d2017fe83ad185642647fd9dbd80ae8a28db539f6acd1269906b1c13122765beed4bed0f96e0c79401a73865a1c34827d0e2e

    Download Submit

  • /data/data/com.mbrgitlli.hebkcgyuu/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    41fb58549c0b46a311499d83e2ff3758

    SHA1

    02168828f0a71dbcb2b338f78310609fc3b7e988

    SHA256

    3e6c732b4df26a6896968f8712fd766f31918fc18afff1ee03ff9a4e6d9a013d

    SHA512

    972dd06edff780ae2b737323f040e8cc281b756c877a60e3775f1f4025af8f8e958a408b8264ff69f6d475fa11a5e3d945fe8b84165bad886b85683d42606fd5

    Download Submit

  • /data/user/0/com.mbrgitlli.hebkcgyuu/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    c2ad4df978003cad2ef681f86c002154

    SHA1

    4ae1db25881cca9c838497003a555bee785f02ce

    SHA256

    260554036fa9c620e41f7ffdba7b37f0a0bb862f2cb99a75ebc0e39da0817641

    SHA512

    245afbde96ac0bb409e74768c2e585a70a513c5814eef7b2d5eb85274973858389099839f9bb2bba4a4960519e54520ea08e78068c088e8d79e300251ba6b42a

    Download Submit