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Overview

overview

10

Static

static

10

bc4291e2f4...3e.apk

android-9-x86

10

bc4291e2f4...3e.apk

android-10-x64

7

bc4291e2f4...3e.apk

android-11-x64

10

Analysis

  • max time kernel
    42s
  • max time network
    155s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    30/08/2024, 22:02

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General

  • Target

    bc4291e2f44ace94341c149435d094a42e958d79974f5c237f61a7a9029aec3e.apk

  • Size

    1.2MB

  • MD5

    c12215a656eca98e7c6e2ef04f65c0fd

  • SHA1

    2b3e33138c1b54adb00ad89ed943686d52dbf0c1

  • SHA256

    bc4291e2f44ace94341c149435d094a42e958d79974f5c237f61a7a9029aec3e

  • SHA512

    4f2372fd7ee96c52ca757f6413fd9cf6e389aaed054069ed039956d7891312ce31b6b74e5dd3af11417055a9de203c600ca2bad4d4f08088493918153361e845

  • SSDEEP

    24576:aJOi8uCMvTqYdsz9Rl/4F1rgfBol9lELD:sHnfIbR4F1rgIfY

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.17.159:3434

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
  • 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
  • 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.cicofudiwiheyi.pekoca
    1⤵
    • Makes use of the framework's Accessibility service
    • 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
    • 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:4256

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

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

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 Information Discovery

2
T1426

System Network Configuration Discovery

3
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.cicofudiwiheyi.pekoca/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.cicofudiwiheyi.pekoca/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    2aa6b17c5f6b1263ff894e3a25ff54a1

    SHA1

    4e10d027fdf005bc9555ede17ecbd7b5a6efb369

    SHA256

    49f2d7b42007fc10ec381647b740738645eedf9747acf20905f49a1fef9e09a9

    SHA512

    453d76574b15a74d17762e6886e2608f2706606471dad94014b7eed41811e8be8784b090e849613356255493cf03800819191674b224e4aa836836665477f038

    Download Submit

  • /data/data/com.cicofudiwiheyi.pekoca/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.cicofudiwiheyi.pekoca/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    aad6589a7ddaffe943d794f042afb756

    SHA1

    96cb3aa87671b37d08eba836b3755a5388c495c7

    SHA256

    49297230e2aaeebe24d17b6cb29528704bd6ff88c260b1861df189941c6fb021

    SHA512

    e33a64cf6fa1083ab2b908add3dfe9975d2b06992094a0219145286f3e6e6dcc5d09af2ff69563bfbef00b93471757b430168ce0625194a36340ebe95203b4ce

    Download Submit

  • /data/data/com.cicofudiwiheyi.pekoca/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    48ea4f38f5d1ffe3cf1dc154fe7147ba

    SHA1

    3ac0a56f9621325b5df8ff3741ff4b0d30c0a7bf

    SHA256

    b9d7c6719860eada07c2449a650158bfe69281d8491c277a93445dab6fa71b81

    SHA512

    485c4e95a79388531e5ab1ca74f280e0da79932cd4a60a191aa59ee7b88891ebee9db6eae367393543645d142f6a9fef341e04900b754fcbee773f8e9e84d995

    Download Submit

  • /data/data/com.cicofudiwiheyi.pekoca/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    a986cfe451eb1118853306eceb4d552c

    SHA1

    5c6acc3ad752d7a6e45d48a52797f4801b02581b

    SHA256

    d1e041f52856d1ad2f1efa008fe0a76c0738cff8b983e994ef077bffef566eed

    SHA512

    2f31669432ff95c4553971ecd0b56a0dc4784e657589f8f9e42fc6e101d957591841370f6a71f603624001122c8aa24a3e2b982fed36e10de5204d82439bf344

    Download Submit