Overview

overview

10

Static

static

6

c285378211...74.apk

android-9-x86

10

c285378211...74.apk

android-10-x64

10

c285378211...74.apk

android-11-x64

10

Analysis

  • max time kernel
    157s
  • max time network
    164s
  • 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
    06/08/2024, 18:56

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General

  • Target

    c285378211e69f0c60c781125246f92357243d1f2832c03234255dc2a90a9674.apk

  • Size

    4.2MB

  • MD5

    769bb3dc0e0193adba7d0133e877503e

  • SHA1

    88f8774ffb21c8a1eaa43c1177135884ef05f480

  • SHA256

    c285378211e69f0c60c781125246f92357243d1f2832c03234255dc2a90a9674

  • SHA512

    ef011077f49da14eddbef99089af91caf81dd5302c1ae54c820ae87726b8df50dece6bbadac2d053f09ba3f8b918955669550d6ce407a105d800a639e4887513

  • SSDEEP

    98304:mI/Jtgrndt42QTzEndzkX+NW4/e5mwI04KDKk93n:mI/JbzEdzp4Ae5nFDKuX

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://85.28.47.32

AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • 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
  • 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.tfzqlvjkh.awqzhedco
    1⤵
    • 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
    • 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: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.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tfzqlvjkh.awqzhedco/app_app_dex/oat/x86/reeifxl.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4286

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

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

Loading Replay Monitor...

Downloads

  • /data/data/com.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij
    Filesize

    2.9MB

    MD5

    0b63ef48dcecdddc31ecbb43c0963e4e

    SHA1

    1b52828068bf5db80fdf53228005632398644504

    SHA256

    c08a049540a35306b4108b78201eb77b1b47f0c51f7bbb602365f6827dbe2538

    SHA512

    82ba3df2c47f0205a3c1f6910cfe669a283b036d5a003518c6a98c873ded230cda188905b6be47638548d71108eb0132088c8d9c46a15020c8b6d052aac0ab9f

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    e86ddd7f141971579cd2bbc3a0f19548

    SHA1

    5d51b59c2f62d22e1ad23578eb6f1e8098ec90c3

    SHA256

    54d41778a92a1976f558bdf6e9bcdce0b8b5b5d1102843e453e7d0ed0303227d

    SHA512

    ae10ca9bf8d8d7414defcfa15455938f3964ad0041909425d885c36f8d9ffe4beeadacc2e0beabb2473eda6e221bd15a260e5a95995e8c758a6a71e76efaddb1

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    fddb3ad7481897c66c5e80bc711939b2

    SHA1

    78f682b9a41b98b67616a1d61cfb5fa035998cbe

    SHA256

    5289f7e30c6a50517540e9cb32a4938d0955ee2abca5843aff3e3bf0533a130c

    SHA512

    f7b80f391bc6cfc7e402c7e7c98b04a59bca447e6b7ce701eb1196cf262893ca35826caeadfd4bea1a112c4046505b28bb9d62b00f6bd623d5e582c83e4a1f83

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    08c29590d0e36b631a1a9af65d279dcb

    SHA1

    6255a610782eba7244183c5e8f64d79c76cd2654

    SHA256

    8af79eb6399970f0caa9c8a630ad44dfb3e6e87ffb8488215161ec5a064deef7

    SHA512

    a5f11b4db80304a56c0f66e790d6367e8680ac3349da1140ecf78bc755e19cdddad60c39b1f942dbef324af5edbba0dd121351f9ad8a95844b9b428be2346720

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    a536b1b3124eb247ea4c11657b4c9529

    SHA1

    92d3e4c57de05bd2ed02a8c17c811baecdd5870d

    SHA256

    c09a2b2e0eb4197b43762e755bdf4c015d27bee7250361b33d12905956353ff0

    SHA512

    f82f0322c0f1e3d055c5d992852e34ae144039e303cf827c45cedbc0b32b3a4e0043f836b41c03bbbd19d98c07ef8d4808a16528f377fe774bc8d46ab67e7c1b

    Download Submit

  • /data/user/0/com.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij
    Filesize

    2.9MB

    MD5

    79eb9e0ca8080d66964055634ec335b3

    SHA1

    65a3b704df773a94ab41fe4923710bb6ca3b13cf

    SHA256

    63ff8209ffe0b88458caf246a230932d3102a0dab17517aeed72e9675f8be14f

    SHA512

    5575d460e72401686dea56e88d3fdda6a740188c01694b28686b8292f6b5af309c12894342ac4fcfcb2ded09a442851e51f6b74727005eb6a136ac34adfc9c61

    Download Submit