Overview

overview

10

Static

static

10

9d488ae71f...d5.apk

android-9-x86

10

9d488ae71f...d5.apk

android-10-x64

10

9d488ae71f...d5.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    186s
  • 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
    05-08-2024 07:01

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General

  • Target

    9d488ae71f0a27acc0ba3a8dae2d07d5.apk

  • Size

    4.7MB

  • MD5

    9d488ae71f0a27acc0ba3a8dae2d07d5

  • SHA1

    cdf4d3ed234e16e27f2669e899601cf7fd5fdb01

  • SHA256

    8f536b0a6c6413306c3f5d51dda702d52d2eeb4adb6d8314b389e71ea00390c8

  • SHA512

    99a8779075a40b353d8d8f9a3a7f8852b45e7b32775f313fb23763f96f52460501bf082777695a6b1ad38788d19d484146008b59dca472bf60934200685712af

  • SSDEEP

    98304:iEZ0LPxmvw2WPeJ04hD1RZI6yue228mHIxilnq0HfrycVJQxnTJl:iEZIQwW7hD/ZLy628mHMitqKVaxn1l

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

hook

C2

http://85.209.153.135:3434

AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 3 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
  • 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
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Requests enabling of the accessibility settings. 1 IoCs
  • 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.pintek.zore
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • 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)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests enabling of the accessibility settings.
    • 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:4258
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.pintek.zore/files/audience_network.dex --output-vdex-fd=132 --oat-fd=133 --oat-location=/data/user/0/com.pintek.zore/files/oat/x86/audience_network.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4393

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

Hide Artifacts

2
T1628

Suppress Application Icon

1
T1628.001

User Evasion

1
T1628.002

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

System Information Discovery

2
T1426

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.pintek.zore/files/audience_network.dex
    Filesize

    3.4MB

    MD5

    06dfc829bf9345876f04db7b69485799

    SHA1

    afac2a96af43bfe4c6db99fcf0deff352a4f5a70

    SHA256

    77909b82bcc2dab7e432d0547058313c5bcc5ea298de628a6ae05fb9d39d56f0

    SHA512

    b57fa956d0afa8dab830592a42692df3577cd7d1479f9beaed790796951eeab2120619ecdc8801006e3a607dcdbfd8ef2592436fba19f838d1851c42948dc67f

    Download Submit

  • /data/data/com.pintek.zore/files/oat/audience_network.dex.cur.prof
    Filesize

    374B

    MD5

    03128ad9428cf0372f26632362bc6e97

    SHA1

    d871ed8bd87e7b22eda68987807f958ee19861d5

    SHA256

    5f28b04dde1fb958717aaa75e0de8c701fdbac0498fea9131e5b871a9014b9b7

    SHA512

    9ac1af760fc0469b58dc5bc6fd29598231080532c021bd141f4e9b0a65ca22e4789a290442ce0ec8e8c803cd65fc46b11b7279f241c70176e5bad118920b6fff

    Download Submit

  • /data/data/com.pintek.zore/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.pintek.zore/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    54d00dd5c2e62a5c85afcb00f3d69e21

    SHA1

    c39363c89ec7e3be091ce927eb0ed1a9446343b3

    SHA256

    b23e6a33be83453368b6ebb08e61fc185237711b035bcca997bffac1031f86cf

    SHA512

    f378569c19da08ce185b57dfdb64406fc536bb219496d3b55e8db12c512f9c23af5b3827bcb7e68874b40c5f37fa03048c75334e69b25673afac099fa0c45a29

    Download Submit

  • /data/data/com.pintek.zore/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.pintek.zore/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    e6ee28e5cf312b5b22c1143e742e9f41

    SHA1

    d05d4471f8745a5de550abfa4f3955b79957315d

    SHA256

    e0bea935deb0fa890a19664c452beafed6666360172a2e7f8edd6fbc04b0fe41

    SHA512

    c1ae241f0fd7406c8dec19b0a12de5e27b727f88c77aa120cca61d2668d70571a4a86c1aa2f4589c1564219b18991d0c08f4fa23f9934a9bed86d34375a92441

    Download Submit

  • /data/data/com.pintek.zore/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    67ce6f9f7f80edb40affde5f9f3b7f76

    SHA1

    29962e323b08c4e47a0015ae801382b35de8fec5

    SHA256

    852f6f6dbca997cb241ad0d7f7a710b265bb369c12928b10e8dcda274643d183

    SHA512

    2ab39261fba3adaabfe2f282885326284aea84a2dcd4e75d563ba5bb70d771febb0bc9ac53edd351ecda2f56972e82af7aa1e9e31d1a0fc506cea2d6e3d45d95

    Download Submit

  • /data/data/com.pintek.zore/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    da41cd1afc59fca49f121c80b840ca84

    SHA1

    6b7593048a44b06979abe845d4fdc2a907444f67

    SHA256

    c13b1cd61704d1b2d4efb74273f10753e496de0df2382683e8e8d8b606b62645

    SHA512

    f8e8eba0e3bf7e7cf8b1e124315e3cf11e3ac659d312a55aa6fdd51c383fa5e627f8ef97e7cd33055c8fb3478a7494f581a98b5887b95972d8b6d968049dc936

    Download Submit

  • /data/user/0/com.pintek.zore/files/audience_network.dex
    Filesize

    3.4MB

    MD5

    c33ced2d179e130f767c7a269fc573ac

    SHA1

    e9575245540487c92d3701e92b912c1d3cb22ff0

    SHA256

    fd0670d448cbe7393f8f117356a1e838d71eeae45f4ea77c02d0fe8f369c0774

    SHA512

    ad3da9b20c3ae8bdc48d4f0ad7b9ab871339bc78fa0f5291fceea847dd649006176db669117c4ec8b16f436db6b6ba7a95dd543cc0ca247b9bdab3b7fa9de508

    Download Submit