Overview

overview

10

Static

static

6

chrome.apk

android-9-x86

10

chrome.apk

android-10-x64

10

chrome.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    185s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    06-08-2024 13:08

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General

  • Target

    chrome.apk

  • Size

    4.2MB

  • MD5

    769bb3dc0e0193adba7d0133e877503e

  • SHA1

    88f8774ffb21c8a1eaa43c1177135884ef05f480

  • SHA256

    c285378211e69f0c60c781125246f92357243d1f2832c03234255dc2a90a9674

  • SHA512

    ef011077f49da14eddbef99089af91caf81dd5302c1ae54c820ae87726b8df50dece6bbadac2d053f09ba3f8b918955669550d6ce407a105d800a639e4887513

  • SSDEEP

    98304:mI/Jtgrndt42QTzEndzkX+NW4/e5mwI04KDKk93n:mI/JbzEdzp4Ae5nFDKuX

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://85.28.47.32

AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Loads dropped Dex/Jar 1 TTPs 2 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
  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    collectioncredential_accessimpact
  • 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
  • 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.tfzqlvjkh.awqzhedco
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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:4969

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

Clipboard Data

1
T1414

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

3
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

Clipboard Data

1
T1414

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

Data Manipulation

1
T1641

Transmitted Data Manipulation

1
T1641.001

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij
    Filesize

    2.9MB

    MD5

    0b63ef48dcecdddc31ecbb43c0963e4e

    SHA1

    1b52828068bf5db80fdf53228005632398644504

    SHA256

    c08a049540a35306b4108b78201eb77b1b47f0c51f7bbb602365f6827dbe2538

    SHA512

    82ba3df2c47f0205a3c1f6910cfe669a283b036d5a003518c6a98c873ded230cda188905b6be47638548d71108eb0132088c8d9c46a15020c8b6d052aac0ab9f

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    51b3799aadf4394b2adaed6c1dc955b8

    SHA1

    6fc5ad0ac50531739b6c106b1775fab802ecccac

    SHA256

    9c66fe1cb7709838d21cd6d6327385f8caf72d149378382e0df6f535a8d99e72

    SHA512

    1a87094e967ea9b0ba432e26fbc4400269b8362e558b200a4aa0916d53f9e3162a6d4dc1ad09205be287db4cd39d125e03773a80f400daa546928fafae0ceabe

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    7e08e815eba7b745264565a05ea15c07

    SHA1

    cda0136e59328952d82fd8a1ed81d9dfffebc38e

    SHA256

    63e4cdfebe15188c92a0043b1c3c3b9c55130492bdfba1da68f08afc389c17e3

    SHA512

    14039e9aae024117478d14acfe6cc1e03d65bd9cb938a2ba543ba0222e9be6d3a7de9a4e9d81e50bd8d27368bc8a35775705e6a72e12541df77172a29f79bda0

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    604363dcd245522e7ff6a8b4f6f3fee3

    SHA1

    b09b7f9360fbed3476695c5e8c14b5695f817ea3

    SHA256

    f46ca11b56aa8ad1313083b122dea124f2d34f96f49265f358240b2dedf10200

    SHA512

    c802d3ac06979b1e39dd65cd5aedd43515868abfe47ae21eab8fbe0b0cb7e2e9350003189170483574ad3b244431a352c615e140263c41f44650b336dc8502fc

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    55e299a9c27812be6bb0b3dddf87ce99

    SHA1

    f074c827b8aee8e69cdef61d19ba3a26d8257186

    SHA256

    db3ef1a75eeb7ad175e67053489fb4b91bd08b7175b3b910772f689060c84b2f

    SHA512

    78bebfe087a2d0aa85adced6ea5d5572d2d4fe3b81e0645b4956cc49daee3f23abadf99dd39baf6980e7619b4a76d60b927c0bf02b9beb7c86d583bc65ca14cd

    Download Submit