Overview

overview

10

Static

static

6

66e08e61b9...58.apk

android-9-x86

10

66e08e61b9...58.apk

android-10-x64

10

66e08e61b9...58.apk

android-11-x64

10

Analysis

  • max time kernel
    166s
  • max time network
    192s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    08-08-2024 22:00

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General

  • Target

    66e08e61b9baa4b5a1a2801ed3066b12295ef56b83e167f59a8a069a11c4bd58.apk

  • Size

    4.2MB

  • MD5

    683e628f184379a1c0f22abc4c4fd86b

  • SHA1

    2c30d9b6edc5100630009f06d68b606709374657

  • SHA256

    66e08e61b9baa4b5a1a2801ed3066b12295ef56b83e167f59a8a069a11c4bd58

  • SHA512

    f6b05d35e12be23b764dceae38350d45e6c8bc5718df6fe87c9bcc4ad371c4c384a2d000a2347036362de7c3e8dc019d7958fb6f01f77047318ca007d4f76942

  • SSDEEP

    98304:WxeQB+vp1LDCiKVwYkOjQZjNJNIcKfEDhD9QTTtb6d5vsFt/dY4:qeQ4h1LDjYkOjQ7fIWDJ9QNudeZ

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.40

DES_key
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 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
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    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.rjzenjmum.vtuudohsv
    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)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4526

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

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

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

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.rjzenjmum.vtuudohsv/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    eef9bed788e6f70f3ca4a7308d06ac41

    SHA1

    50314a8fbf789ed20dd8284313b4e6fea2a0a6c9

    SHA256

    1aac11a002c38dc426e66b58104798814a8a174e57b1b4906e95f4d9225dcb5d

    SHA512

    4dcf0e0a336ed66d90c2e803a458146f1c712f350511a39c4bf8f6d9785a41a856610f3833c2d67c7c8906857f727a4e0fdcfe7fc84de272f4fe782b9041f8cb

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/cache/classes.dex
    Filesize

    1.0MB

    MD5

    c648085afe810e07df71584f7e1771cd

    SHA1

    ca616e8c479f0cf54dc9eca9a16a1d9691120fd8

    SHA256

    476bceaa67be558213a9d0a77c2211988020ba064c6fde52264d76fcb84aaca2

    SHA512

    9d9051a8bd0198323fa8c2315252eabb01a38b7bb7da2893144ff9abc1988fad43a69927a76ec6c6c68bb509ed65ff03b260b2edd2b207a07c8c60fb2bdd97e8

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/cache/classes.zip
    Filesize

    1.0MB

    MD5

    ddce10d1722f7e9e7e3c8fcf78ba656f

    SHA1

    5ad211a0ac230b386234bab1e2faee5230c6fca9

    SHA256

    0250da3289aa1bfbef5856da4ff2656e2a727d178ec86533fa0df2655924b2ac

    SHA512

    580f9fa5272516160dfd70c855983f13248127052f48dd146d9ddf7889eea6a0316828568a04c90df3aaf28d4a395fffa4cd2420293cd6c84adf3f6762983d83

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    7e858c4054eb00fcddc653a04e5cd1c6

    SHA1

    2e056bf31a8d78df136f02a62afeeca77f4faccf

    SHA256

    9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

    SHA512

    d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    d6f4c4ca3db5912f6bfab7cf25a8a82f

    SHA1

    7d2de5464fb31b2c4ff97a6e74ffb707c5be0e98

    SHA256

    b10e76b0ba03d41567bb9a4d18d7fd73157ab1528ae791f6df039e0865d69dd0

    SHA512

    042aea88aff0bbe9d08bbe5e9b039e5f103b57107950be038141c6932551d54d05650330f51e9a877b6df463cb59cb473a146416aa2df2b21dd793651f4a8965

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    09771084ab146d813a276465292a49b2

    SHA1

    3743ed6b5f6232d1f9c134f0131d3045ccc29ba7

    SHA256

    ec1ce64a00977c2c650f836cff92333dba2f8671597ab33b81f8b8736ceb4972

    SHA512

    3da4ae965989390b570f8ff67374e31b0842c6f28a549e6fe52ce536726e845c34a6ef2c168b482b96eb88af2be1abd5c3b633764947faa956b1d84b0feb6d85

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    d40d79839f1a86c4505de21cffb8ccd8

    SHA1

    a76e09f42f2287241ddd5700f844610d1c2ea893

    SHA256

    a3f3fef9924d22569a8be798caba41a1498715dd4b1cb9b8caef8429d8182047

    SHA512

    b85a7756f9f77ad9bc3e11b957425e7af4447b70647d589faac2027173c378496251d046685900e124f45ce9cc4c3cc5cced69697569d56219ded3ba8693c2ae

    Download Submit

  • /data/data/com.rjzenjmum.vtuudohsv/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    9ca8cc402014f05365c2bb3076c0bf36

    SHA1

    ae0622cd8a219e6ac8a25660702f6424542c6d59

    SHA256

    88791684e980ff724e1928fbc9cf71ce1f33b038f0c2721580d81bb4801b0b07

    SHA512

    9475bdea06dd920a6f58512a31c8d55b6e54c584341a10d72767197e3c2c110c88ec2c7a65ec0125066106f3dc5553eabf51b2f6929889738b7fe8fca0b1b07e

    Download Submit