Overview

overview

10

Static

static

6

1ea9e12383...92.apk

android-9-x86

10

1ea9e12383...92.apk

android-10-x64

10

1ea9e12383...92.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    08-09-2024 22:01

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General

  • Target

    1ea9e123831e0d35b6f66f7bd654361436aff3e337bab144b13333c660b38a92.apk

  • Size

    4.9MB

  • MD5

    c4d34b47e9204f25512e78ed5c5dce4b

  • SHA1

    a84a56be0168ded947018bcbb9e069d9c11ddce2

  • SHA256

    1ea9e123831e0d35b6f66f7bd654361436aff3e337bab144b13333c660b38a92

  • SHA512

    161ebd23f3e30308cbb44c1e0db4057c5447fa103551cef1810f4504b5a4bd3d1a489704f1c8e6170d956afdf0ff48cee2eb98d3ba7b69c6f4e3c33dfe371c07

  • SSDEEP

    98304:moxOqsFMFLW0SOA2lbADLDxUREtpc56u9x3G+L9v4+WkXft19:v8rFCLhSOvlUDZpcVxbL9g+5R

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://134.255.180.156:3434

AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • 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
  • 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
  • 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.viber.voip
    1⤵
    • 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
    • Queries information about the current Wi-Fi connection
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4711

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

Foreground Persistence

1
T1541

Scheduled Task/Job

1
T1603

Privilege Escalation

Defense Evasion

Foreground Persistence

1
T1541

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

2
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/user/0/com.viber.voip/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/user/0/com.viber.voip/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    dc9755de10c1e8fa95640d72f3aae26c

    SHA1

    5737993a0badd534ebfa87da1021cb04433e42aa

    SHA256

    8f92bc1d247fb5e8923c9bde24a6b5135999b5a512767b477583392533b0d62d

    SHA512

    effe433991eda9da5bc3dc11f2ad538f24d347c9a8c7a293974e67b08543d17e9462a9fc850bc90be6c12139de0bd456eb20017d625721b2f036858d3caa99d5

    Download Submit

  • /data/user/0/com.viber.voip/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/user/0/com.viber.voip/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    3f522b1fc752309fe1946f84088c04ff

    SHA1

    d5ee3552005e5dcc3efc1bfb5f845b368b5ebc07

    SHA256

    0589a953b86eb66eb2d23f275a55efab4aed5f4df899be2bc2d67901a044d5ae

    SHA512

    9b10b10adc3a9112ede1355153a7ebf56ccd697a726473dc6f72dcef4e58b31f033f5f5d525919f8d7645d63d113f94e8525ac90f32c68f389aee516bd65d3d5

    Download Submit

  • /data/user/0/com.viber.voip/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    f9deff9b5924abb564dff8d1191dd9ab

    SHA1

    e9b4dcf48befa4cac8925d9bd0e3f75ea5bbdea3

    SHA256

    35c08c182a39fee5c91e3ef4951b27018b69fbb8730838c92230e81418c26209

    SHA512

    6e1de9dc8a0663698166d5bcad8a97109b7ca91e4241f1925cf951024d0f6b02e08d01f466f8b5dafd1946ec434d263f37b23aa252d9e127f95eca65a16aaf71

    Download Submit

  • /data/user/0/com.viber.voip/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    7b37218894d598f7e22f5c7aee1c885b

    SHA1

    ce2f65c5e8bdd671db9db6a700245fece9b74dd2

    SHA256

    d66f3f8f950e9484bb725b9fe3536c4e942ed084ec44bd81cad3ac4a5468188b

    SHA512

    49c3b00e0ee03fac8743542dc26715be35c0e1c7fbe575b2b94157275147ac93ce5a5e6fb21187534894695dfe621a63e7c3070be8e99825991a64f04f99c15d

    Download Submit