Overview

overview

10

Static

static

6

5cb0139646...80.apk

android-9-x86

10

5cb0139646...80.apk

android-10-x64

10

5cb0139646...80.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    158s
  • 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
    24-11-2024 22:12

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General

  • Target

    5cb0139646f702fd0eea35b543682f9f5b7f8b74154c8696171f0aaae98c5d80.apk

  • Size

    4.6MB

  • MD5

    d54c87f71b32f4736cdc157a69572d30

  • SHA1

    d62e2553ff0d06e37711405979ac6166e54956d1

  • SHA256

    5cb0139646f702fd0eea35b543682f9f5b7f8b74154c8696171f0aaae98c5d80

  • SHA512

    87542cd0e32e74f2399ef0105f8825434feffb30372cc4603a7fae155829c95561c5d91e24cd71414822e2fc14e91787beef82cea500d7f9ecf97f0628580271

  • SSDEEP

    98304:p2j0TxTTfwqb9yxP81qglgH6oYTjYxlVuC1OL68eWwFFhepTFwCh:WyLuP81qhhOkFITFwCh

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.17.184

DES_key
AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Hook family
    hook
  • 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 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
  • 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
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • 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.yjxvhulqf.wobznkpnl
    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)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • 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:4273
    • /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.yjxvhulqf.wobznkpnl/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.yjxvhulqf.wobznkpnl/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4299

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

Access Notifications

1
T1517

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

Access Notifications

1
T1517

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.yjxvhulqf.wobznkpnl/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    5e06a2f8f33252d54a5a765996b88e35

    SHA1

    ec9fc8688329743bc58ac907547c9480ab669546

    SHA256

    8397350efa4b637869a7cc8195ab66ce9b23b4701cc2eea984f2f63d8d5f6bdd

    SHA512

    f875fba2219cc73380c4c73947e002b30ead89f26b07cc8ef4af054ed0bcc3fbeb435c2b15919f1351963e674661345422a0c38a4b9ddb9f2f6c01b4bd4fdb3c

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/cache/classes.dex
    Filesize

    1.0MB

    MD5

    30fc69aa0057114389f815fc73f88d23

    SHA1

    625c83a18065fc9cc4232fdbbc6d0903d29edfd9

    SHA256

    3b5802797800d7cc601499bc784ed4bb99a761b71c46c80369fbd69e72557ae3

    SHA512

    c13fcab948b06d205e254ceea4e68126507b63413b6378d6858ca575e6343a4c682111d29ecab7b6bf38a67c3b8a40321177696cdec3e82d618a2848e13bd991

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/cache/classes.zip
    Filesize

    1.0MB

    MD5

    e493a8ce0e2b4d03676b00747ab50003

    SHA1

    84c5dfb64335ce7a92cea0036fe514eebb16522f

    SHA256

    2dd711cbfefc446dbdf770099fb7399e5b2609b805a842b48d029b89d16e1d72

    SHA512

    b489777b48533ccea303e79c9e40747bfc490b9f4033a2338c348e2d16655d222d260ea75f8e6af6d9807fd401b44573152925237661109d25f760c9db05c371

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    2cb65f4405dffcdd0c10453289c5a80c

    SHA1

    50c37cb074b31be44c3f3007784b07e95e870a8c

    SHA256

    e4b6d6d1f88905dd84cc7ebeb3742f477e785500b63fd305ef3956e861b93fca

    SHA512

    3f150e103f0d51f67fcdf02391b5b8e3c0de40d9a3fdf522200cc7b21089fe3dba8a301edd8793c4b0c5740ddbf05d5dd9a77032461ae454edebeac9d9eda744

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    757be72f80ad4a6e827666dc10f2fa52

    SHA1

    f8da959b04b625cd15e0c8aa0f1b841f2348a358

    SHA256

    cfeb0273b34803eb556ce1e5a51e9e1742486969f94e25b993bf9f5aefade6d5

    SHA512

    a4caa284ea5b523b491a3a8363a189333bdf36ff7c32e87e046b596f2449489bbd04b9f384e065d8bf09c2979045025252d04bdd9dd423101810fca7bd10d21b

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    14202602708ad64a44e8ac03d03e2018

    SHA1

    6209701caf67158011aff63d182b5f0bf7a36850

    SHA256

    059c817da995a92667b255cf3866d6d2b13195949c2f82c60e0471c421b614e8

    SHA512

    c12f4a32beaf466359d81ad149b4cf511c92ad7fbc2a60b266684804fe346cb024ee892b159574cb1b1f910b43352ade8b0d7ee9fd0398cf4fe3dd3a8c0d0eab

    Download Submit

  • /data/data/com.yjxvhulqf.wobznkpnl/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    5696668b9f19148a6c9b302e76bb5103

    SHA1

    eba1603cc2e343755dab3f86a5d6a45e56851413

    SHA256

    e30162a4d43eb8dee1328f47294a24e1901decc5757c476ed4c68ef121b72901

    SHA512

    d429c549b770cbe7295709aa5345fc7bca16fcdbd596a8c04325e672d454971712cd22ea974636d30ab0ba837d538ea0b22c4e4d9915a52fd49c07fd6f62d781

    Download Submit

  • /data/user/0/com.yjxvhulqf.wobznkpnl/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    0b99ca9afcd47104f1eb67d2861bf318

    SHA1

    21d8bc376390355ea5d865d3626c00ae0e1b30e8

    SHA256

    ed6a3ac2754777da3d1df2ebaf522e57d1a1d06a48a92e13b564e00bce0ca136

    SHA512

    07dd0a0ab7023e415676a291eaf5f2c63fa5f9eaf62aa16b8469e5d11fc499b8144b423d988a4d68cfa999819a6ddff73e7e8e969588d09ba4c89755054b37d1

    Download Submit