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Overview

overview

10

Static

static

10

8f536b0a6c...c8.apk

android-9-x86

10

8f536b0a6c...c8.apk

android-10-x64

10

8f536b0a6c...c8.apk

android-11-x64

10

Analysis

  • max time kernel
    178s
  • max time network
    188s
  • 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
    03/08/2024, 22:03

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General

  • Target

    8f536b0a6c6413306c3f5d51dda702d52d2eeb4adb6d8314b389e71ea00390c8.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
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • 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).
    • 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:4320
    • /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=135 --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:4459

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

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.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

    376B

    MD5

    6ff7bcde22ab03c444006337afb3bfbe

    SHA1

    cd7f72c031cd90243857b5a32ea3498dd1c5a086

    SHA256

    efa5675ed9bb1cc8526aaae1ca6ae9c2a82e2d386ecf78591ba69c0ecf81961f

    SHA512

    5ddd940088935cc4b247422808a9a3bc8087c96d0d13659145c1bf4086d0ed2715b338bb7a4f8e681f3f6cd93c2d88c31e20c5c9f73eabf86fbcf216d28452f9

    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

    2f9214f52916947fd891fd2762743979

    SHA1

    018f4be6593eaeb0ffa8548a52473b1b554c9da0

    SHA256

    90c6d44923c337200ebab5c2b4adfa94d8f8acd1bad159b2bbcc10233aa9372a

    SHA512

    f1664cfdae0d7baf17aabff0459798d2f667ce9ae8f9dfbc23c8d480eb9ba13f5b0835307413983e23ab90e1e977da383811795fef9f9ca4d865a9674738dca5

    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

    382e48739077219aa906c811c8f81daf

    SHA1

    1ca95e69665afb1490092d1bed8821266fb71336

    SHA256

    523fbcbecee7b6c0eea8def4f8b2242d38ed8c05b5e0d3aee9537e24f68c52b2

    SHA512

    1be11a683313a62072b94b921d35fc217ebf93727dddc4386589e26dab7157bd6d02340eb0081373f57f45cf46f1d9e4c2b32be5f2002114163717b41252723f

    Download Submit

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

    108KB

    MD5

    ee7a951381a45d17aec6f2933856f90a

    SHA1

    88a572197ac3a33e57d28205a40ee9335ed9b9a6

    SHA256

    ecbc22bb85c691c8eebdfefd64c8c277ad910b34337353be38ac150578b5dafa

    SHA512

    52c1abfd286a7f7022efbe03b69878bfdf5be42000c20d6d8320d3f4cfdf444f16d43f34c39ca4b16befb2c00db834d0da91b3fcd92f4b0e2763cc40c2825a43

    Download Submit

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

    173KB

    MD5

    a6c6642fe38b3031372bdd094d3c8b91

    SHA1

    9393c3d122914afa61a5f5a9d9dacf4e8c216f99

    SHA256

    006c0937e42ab94739146bf675f18bdfe9f444c7e1cfef8b8ec56604d25b77d0

    SHA512

    a9d8a6c6d9a41c09cd668e9d07a7a02d118e65c3a36e82f27908c0efb8fafc3d2ef6fe8eb291aae4481a6556db81da3e26e9d7e413ced880f63e8b6752fe72f1

    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