Overview

overview

10

Static

static

6

b7742c9c70...2b.apk

android-9-x86

10

b7742c9c70...2b.apk

android-10-x64

10

b7742c9c70...2b.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    24-11-2024 22:00

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General

  • Target

    b7742c9c70e896b31d68b4cdf345ac1d77192ae381f6e49907197fe2bd97eb2b.apk

  • Size

    4.6MB

  • MD5

    7ebb1a9bd104996f722ec77affce15c4

  • SHA1

    c59502a830d4bfbc31da6640a4ad9566d41a0786

  • SHA256

    b7742c9c70e896b31d68b4cdf345ac1d77192ae381f6e49907197fe2bd97eb2b

  • SHA512

    74575c2eb3193f8ed8005775387e0d2aa357afc4909c1490df85a5820f4d67e6687881cb666d0dd0311866a5cdf00cc9c1f0fda395ae61b5ef4c45f2f437aa8b

  • SSDEEP

    98304:GK+KlMqXInLSSU6rB4bq6D7l4wmHa42F7b62orR8krE:0KaqXMD/N426Kda4uBw0

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://185.147.124.250

DES_key
AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Hook family
    hook
  • 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.wwfvynwml.wjpuuowbi
    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:4934

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.wwfvynwml.wjpuuowbi/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    c7699693c2ca0401fdd78b06c2a446d4

    SHA1

    8218183d5cf401728e6467d81a8805b392e40697

    SHA256

    82f6e4403759bd9396bd4b20396b3fc9194c76fc952e728052c5589846b24131

    SHA512

    c7b4c3213c9039e57abb229de59a78749312e6a9d5341410dac23d3d21a554fede9df184896fb8ab4d94eaa8a7cfec848243a41465a6e29502de836e80dda141

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/cache/classes.dex
    Filesize

    1.0MB

    MD5

    44ad8ad4679956dd01f4fba5bebdf06a

    SHA1

    126b28b77eccc8beb2fb4e0ed728da8a7860c1db

    SHA256

    5edd22cebf6a52fe7ab53694a7550f3202af3888646d3427d089eeee0a2ede29

    SHA512

    bb4e63fa1ac04f03bb875cb57a2d35ea02af19537a0c0c9fdc46a0039c1fb1da8e77a3b2c6a7813cb37d7c176b42af08463cab7eb9d053246be97df5e1c6c99a

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/cache/classes.zip
    Filesize

    1.0MB

    MD5

    a0503a60ef6fc55513388785cd01465f

    SHA1

    294025fa0759d4c1438b528979e784c15714cb94

    SHA256

    cef4433dca6437c14b90c291439ea1cefc4f3f4b4571e7ff64d3d5bdd549cd4e

    SHA512

    2020eaba4b7b21e32b3e44de2a7fc6dbcb10c634a748cd330d172a534a438fb8cb139b8ba89001077828c9870318c08becdc3ea154b3741cacca596ce8e028ae

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    2fcf5be1628c3c72893414b39c3ddefd

    SHA1

    244d8c53c53fb638d0ee860b826f6c97313cccf7

    SHA256

    85a54af949e4571c575f020b676906048c72e220b6b87ed572e82c20b5a48e80

    SHA512

    62d4bf55db46e9bd47c9dfc99835ef23ed0f520b94131a3ad18321bb4585b6c4c914d430ddd04e388a6f2c313ada6d03bcdc607594cb2ad9109dc0190dc7ecb2

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    839521e75ee1438c2ceb18f42676f623

    SHA1

    ed96779d679d0a94eb8521ea8775a4b7f50ceaac

    SHA256

    147bc64f76ae5116d8914e31c5ed544b2c432ab9c70880de074ff44729d81f13

    SHA512

    c9f5fc2d450eee6e19fbdbf6d89036dca6b622b70927f2cc1f77c62b33c578890f8bff07366f310e421ffabad53011f0b6e6f914d1c8e5f397849aabf8efeb61

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    7ace382557fd9005bf8d4752b2a2777d

    SHA1

    12b75c9b80e0e918f8236040facd96af511528f8

    SHA256

    a73299b91cb3acb03a9194c9023a073a573289c37e9f03e70cb5cfb40685a408

    SHA512

    133fc4c4d87236fbffb0b41256ab5d8a60972bf9ec4c87aa914a1189bdaec9b16710a865eba835881469866a77b2195509a0e14e2e2cb5250a4eb916140ce4b8

    Download Submit

  • /data/data/com.wwfvynwml.wjpuuowbi/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    ca09115077de35ad441d040771edd730

    SHA1

    209442da605cb1de4ef71778fa1e716b7917bb38

    SHA256

    baa1cc93526aadbe9a616fb79984447386ba2b24071843c786c6b5413e0b3f39

    SHA512

    646eb804f84a957b671b23699341075914069961de4c7cd7bad57123824f920e016a4892c77b00fc9c0e9313028f2d8a2454248830f0a4d856017e27039d78e0

    Download Submit