Overview

overview

10

Static

static

6

fd71591626...dd.apk

android-9-x86

fd71591626...dd.apk

android-10-x64

10

fd71591626...dd.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    05-12-2024 22:02

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General

  • Target

    fd715916260b75edbfc640c0fdbd5d641953b93017168bef4f0ec77d9cf34bdd.apk

  • Size

    4.5MB

  • MD5

    3b4a9db4f4ad949b7974f83eb9d8ce66

  • SHA1

    39a50e6b9f4c3d45a73cd3fcdce589485f013580

  • SHA256

    fd715916260b75edbfc640c0fdbd5d641953b93017168bef4f0ec77d9cf34bdd

  • SHA512

    f1a1a88e9387bda63f65de3381912ec078dd30e95d9543558fe5798a13e4309a6e4e09e1aa5a15351349dc3679c736968a95685c358e242764363e27f0e1a5bf

  • SSDEEP

    98304:kPaNJoNG7AGdM86aSINknxdzl74QJxe3ZPHO7AFZYgBbMXQF:nbMeM8fjknxMQ23Ja2ZYEbSQF

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://94.141.120.34

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.udyfmmpcu.romkvoabc
    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:4931

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.udyfmmpcu.romkvoabc/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    1fa075d6a84789ede11026224fea05b4

    SHA1

    0483c0f774e120dd6b09a362520685ac968dc6d7

    SHA256

    d64f3070235d0cc4cc39ba239fcbc542cc9a991e87a6d1261e47d1012fe706aa

    SHA512

    02f9afb16ce2e4d1f2cf89dc67e076cb8d598f208dc26edaa14ad8b241ba40b1ad79bd5cd39c966df760aa1e8fe73d3ea0fcbae11906e82029775741867f5c70

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/cache/classes.dex
    Filesize

    1.0MB

    MD5

    a7ad2af4d63eaf2dcbb21682800ae15c

    SHA1

    26b6d7a28dde8bc99cca8e9502f5faf24be412e7

    SHA256

    b4978641c5bcd33120c606b8f44c605f500fe7ca3def7ec79ba3c6ab5d1e4d59

    SHA512

    4ca05693ba899c287af2befface20de274423ca406f619c15ebab4cf3eca1a986653e158c2af37f1edfd705d5968952676fe227ec6fa712b5fc41a8fe0c5e2ea

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/cache/classes.zip
    Filesize

    1.0MB

    MD5

    30c08a571535168837ca595efabbfa1a

    SHA1

    6bf1bd00f8801ba9aed642e535f2d78365230bf2

    SHA256

    e23054f13a593bb42d7cdb90b773da5befb23e0509f0f04fbfb80dd3def6debc

    SHA512

    2fa3401efdd677723ae8cdd8a40719ca20ec140097a4d44a505c1f19587951380b1601869ddb04030d48d38f087f00b87f7bb6d490817754bf868931aeaaf055

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    527b69921c95b6606fd32f886dcb6bcb

    SHA1

    a434326ad6d110ea526ac6a2ce8d58ac7eae9bd5

    SHA256

    d3fbe3ff08875d345da4e8e37ac95efdf4927621c70925cb10f8a75266861fd7

    SHA512

    d8338a691ea697c4f190b12390c2bb97d49b85fc5621791be030c64559839a7627d5f9faa6416af83ce44c58efd5a94ab9729b9299808530a6f59d8f2df4337b

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    65b18acb1df064dab33180b3fe172ba7

    SHA1

    fe4c297c12f575b9d8f09d8753148535166eb79e

    SHA256

    424ca2fcbbaca3bf2adff1aa235b4bafaaaba0fc23dc2597f084cf1c86c9a886

    SHA512

    90c6602e021c94c7ad58951c1fbd232733fe7367e7804133ddb71309cf13f94175f030c0f099d6ace7f82be81dabbf424184f17c3555cf930ff97bda14facbdf

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    2a2e29000b476bd8664e2740032ff020

    SHA1

    a7ff9c3946fe9c87f53bcbdc4108d298ccf7cf4f

    SHA256

    ae65e0e42e5d8751009269e93ddf15425de3ac245b46c85ad64645d40431c460

    SHA512

    ebae236823fb2736466cb3397bf40cb9f2ffdc175da430e46423954bd472820d7e0a9852dd7012c08ab835f6f6cf9767bb168132c875e2274e661fe8d10a3f06

    Download Submit

  • /data/data/com.udyfmmpcu.romkvoabc/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    64204e43238f9668ea801b6608fb8c75

    SHA1

    a142e205680ad9378703a11e228373a7aca7203e

    SHA256

    fd8685d05e2bcc425b7f981ad799d42137101dcc1b9f0b5180df668d6c42c248

    SHA512

    6c10932af6677984198e50f9a47ac0ef7e8ee65a3540d930b33f23fac363909fc566684abae14553eb55926b1cb2ab26aaa5776f395bdab329b80f921ac501e9

    Download Submit