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Overview

overview

10

Static

static

10

923bc65bf0...ad.apk

android-9-x86

10

923bc65bf0...ad.apk

android-10-x64

10

923bc65bf0...ad.apk

android-11-x64

10

Analysis

  • max time kernel
    39s
  • max time network
    190s
  • platform
    android_x64
  • resource
    android-x64-20240514-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240514-enlocale:en-usos:android-10-x64system
  • submitted
    23/05/2024, 22:04

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General

  • Target

    923bc65bf07815b0b2723ab6cde35887c61d665baf6618ce4e1dacd6345669ad.apk

  • Size

    2.8MB

  • MD5

    899022727c1eed901d9e847a44f017a0

  • SHA1

    27231e81607121522405a98dca3c4efe013d6282

  • SHA256

    923bc65bf07815b0b2723ab6cde35887c61d665baf6618ce4e1dacd6345669ad

  • SHA512

    9f3b4b6eb7690c2b688b138d3301f13d320b45832013df366b1743e3b722bd8a42e2746ed4d43e028de0df92f7eca3fce55a970102dbb25431ad67f5ff2796cd

  • SSDEEP

    49152:1KYIc3gRcXBxxytSOLAQniVL5TC1/cGypQqgg9TKAzwXhcHh8xngteZQpy/XyNgl:41xRCNnmFadTC10G4QWiXhWiKtyxXYk

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

hook

C2

http://185.208.158.109:3434

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
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • 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 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 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
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Acquires the wake lock 1 IoCs
  • 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

Processes

  • com.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service
    • Removes its main activity from the application launcher
    • Makes use of the framework's foreground persistence service
    • Queries information about running processes on the device
    • 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)
    • Acquires the wake lock
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5113

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

Foreground Persistence

1
T1541

Hide Artifacts

1
T1628

Suppress Application Icon

1
T1628.001

Input Injection

1
T1516

Credential Access

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 Network Configuration Discovery

2
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

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

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    b149796a334a5dcef4821bdf2276982a

    SHA1

    abed865b6ec6a579bf2aaebcbb8dccf3ad869944

    SHA256

    6b888540e1944c1f82ff60af9c561d20ae3c320b706222491bb4719b1a9b04e7

    SHA512

    90d707264d2bbc131aeac6b8744bd0aedb37b163e468fb940d01786144e6f5d77ca19742344a09fb81791cef57a23712f186ed0d83ce574dd117654920a20297

    Download Submit

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    235f3abbde36f670deda67bec521f7d4

    SHA1

    0e48659b3af93ac56c84a48cb32c59410bed6f90

    SHA256

    e98919ef3b6e33b11d94ecfeae9776230a544c2023dba69158b7ceecb74ec20c

    SHA512

    37dffb55b7ecfb24db5620555205ecf1cd20e801c3cb86a58159b311fb1180c7868b79d38c48aea8a0d673339cb91d829b7ba4c682e4c995989b70ca0f3b59fd

    Download Submit

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    c33ff13a11e2bfe059336ea3359a3b9a

    SHA1

    be3ee6262716de3af822d9eea9a02039a8095bd6

    SHA256

    5304e3c3b2a86652a3858f66b7056236a3047544e1e0f949eb95d727c4941e83

    SHA512

    7aedcc9fe927577b591b520d0d260ab1151c6eea8294170f97909c8c79fe80411d0d3edbd6467ad97fe3a981c00ec31c0064559fc4a8980a951da1bded932d5a

    Download Submit

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    dde00311d322140fabbbb7c59679267c

    SHA1

    97248c840e79303d1b030067ba3a224a656a6fcc

    SHA256

    38b9ed16f20fea43a700d16922e387d0006336cd0aa46ae80e6e147676350b1a

    SHA512

    3f58414ac30f398f3ff709e960e45a631b254baf625a31137a7d9cf4e39ce68006d132e38e0970bc2bc76eeac635f87ae6771d3c87bdee17a58753c26163a030

    Download Submit