Overview

overview

10

Static

static

6

50b13a2bfd...55.apk

android-9-x86

10

50b13a2bfd...55.apk

android-10-x64

10

50b13a2bfd...55.apk

android-11-x64

10

Analysis

  • max time kernel
    177s
  • max time network
    190s
  • 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
    13-08-2024 22:03

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General

  • Target

    50b13a2bfd064894b7b3414ab1a4a0b21b0b536d270bbf3549bba67fe40ef355.apk

  • Size

    4.3MB

  • MD5

    1d4a89cc8bf454e5443be6cd36e67325

  • SHA1

    bcf9f58d4a4af7895f57e1b928aec7c757260294

  • SHA256

    50b13a2bfd064894b7b3414ab1a4a0b21b0b536d270bbf3549bba67fe40ef355

  • SHA512

    894bb7496e76f7678467274ac9257e76c0d816c2df4bcc94b07641f2cf323f0209831df3acc314f5d7f9c6dcd5a3ad36589d57dedd29110a15061f4399cb4fa9

  • SSDEEP

    98304:JuaF5nWll4HGsxu4OKY8K+AbVJS/5IkDFQAeWNF9lwNwI7QlsNZ:QaaloPx2+AV0IkCAv9cB7Q6P

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://134.255.180.156

DES_key
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 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 8 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
  • 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
  • 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

Processes

  • com.qudxvqoua.zshvvmukz
    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
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • 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)
    PID:4260
    • /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.qudxvqoua.zshvvmukz/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.qudxvqoua.zshvvmukz/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4285

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

1
T1628

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

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 Network Configuration Discovery

2
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.qudxvqoua.zshvvmukz/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    cab0b80bcb70f91d4972a5413b37ca16

    SHA1

    83260b8a40958ed23432b5fa6afd9091be603b94

    SHA256

    687cf183b791404fbef4dfae692a19dcab0ee781e5afa3abd12a6bf0d3d5f17f

    SHA512

    a4ee0dc2cbd367f8697f46f6a8b507db91e192fe6e91e314b9863b9736ba0318c0d2745539f142d85386fdc9e4a1b3c0f33102a7ec87704f3ce3ee6a65a65e1c

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/cache/classes.dex
    Filesize

    1.0MB

    MD5

    e51cb0674ceda6d705b5a54caca5618d

    SHA1

    3cd04b784886c87c43e1aa86d284bf1ad14b64b1

    SHA256

    d6695860fab877a1d6be1c4305fb84e236916b95441e05ae53ffa82985ec4f3f

    SHA512

    06b252bdf3f025c2e2b9c242d744e8b2b7c1b8937c505380f64639f2718b4a32d77d6553757e82d20d3369e3071e757f770edbac511cc8bf2c73a6100e437af2

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/cache/classes.zip
    Filesize

    1.0MB

    MD5

    5236fdd55df448c7a158f395d9a3e568

    SHA1

    90a95da4487718b4cd56a0a59b7e7b5f78c47e40

    SHA256

    e9276c366d24e4c7a79bcd0d5fcd81930a1ad370ced2dae31357b10b9635ca93

    SHA512

    b1d8141198c21b7f2dc51f5fa22560c5b28195db6423fa111b086a4ecb6a0fb19cfc55ad81e7915d60b8ca11886119518800c8bf1ae692167aa8aa3a1604f796

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    3ef409040b8561a8f6f172841f524668

    SHA1

    23d7e256b470c474d114b908353f439131b32ccf

    SHA256

    008c1dd75ec6cec73d985c661ee7b3cf24a0c6e39058ced6dbd1b539d82d34e3

    SHA512

    11e210b4f2b3413386c46e4d9048f34aa5beb70372a1a8b16c20c8b49fa82852353fc953840398d439d17a9d6161abf8cdbac364c680aa6f926da6e53bf2171e

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    63eb798cd974ad26400e4f4d6100e89d

    SHA1

    49e44b9cf4d40a126ecb54d3076627cf1e38791f

    SHA256

    bb235766398ddeb8b556ad5974ddfec49fe8e605ad4ca3119bd09065117b5bc7

    SHA512

    9b6335e0b1d88303105516822366550a9655cc43528631c5f9c26083f9a8c4311e7437dab6ef32ac73c7a464a1841ab12235f1ad71d3480165a240845a8c8072

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    c8dd8cafbb909917350ad873c10acb13

    SHA1

    c3798b3007e33e0e9278ecf0a4591e2f9d418341

    SHA256

    9d83715a81d9522c1f099e823537ac00824299311fa550d96d35c4017b2963a2

    SHA512

    37849ee36e42f0c9007844fe7de8d68b03e8abd3a113e6a5a2672de6b27760e2d7b78acfc5676eacd8b5c81a605cc8951b9b6f5c12bf05b915233c0c3c352eb4

    Download Submit

  • /data/data/com.qudxvqoua.zshvvmukz/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    a6c98712b2239541b07e0fb98c7e1123

    SHA1

    3d41d201b9017f06e9808e16e0a4060fa0d28681

    SHA256

    c0741b38f3a7823c88e9c76789d7ba209e9332403b2439d1aa2cbc4a4947d325

    SHA512

    64cd0defaaf9c03dea5e7329ed3bd22dfd16a1a36792b96bf76196ef36da26283fd4d782a303bf2389150b5eb87d47634c7169e787c5eff855a319c936dd1b13

    Download Submit

  • /data/user/0/com.qudxvqoua.zshvvmukz/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    0ec8e6043d76267adcd0624a74a1a1e8

    SHA1

    66c4c97efbe760a1296c4652e0adb1d0f50e3744

    SHA256

    d5181e17d3b12849eb47081da48fa256c8d17211c71a405340ab44efd7cc10c6

    SHA512

    08e3bc965256e49d0b58bfba385b6264f36b77bf16b2c629533c5b355b1e5244de2315425ff3f9a81044431f01593c0d6e65133b47a530f431d70fbc6a58a21d

    Download Submit