Overview

overview

10

Static

static

6

b48ab785b4...58.apk

android-9-x86

10

b48ab785b4...58.apk

android-10-x64

10

b48ab785b4...58.apk

android-11-x64

10

Analysis

  • max time kernel
    165s
  • max time network
    193s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    13-08-2024 22:03

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General

  • Target

    b48ab785b4e48facdfbb2ab8d85751bbefabb881e345dffaf8a4cc1ead44c858.apk

  • Size

    4.2MB

  • MD5

    da4e0f985b07fab3a045fb6d7f2ce398

  • SHA1

    3ca9928e71cbd5d8644f479d4ff271db0e19f472

  • SHA256

    b48ab785b4e48facdfbb2ab8d85751bbefabb881e345dffaf8a4cc1ead44c858

  • SHA512

    c1afb0e7bbd44d54df134e77029ddcd181e817d6f2022446b316c5f2720bc817d21bee6571e6b89a1e932a6996f5a1c3e95e29dbe01fc9378cfa6f1c145acf85

  • SSDEEP

    98304:VCKOgBNoIBdl6gcoXveOE2k1YLqPhjQEQ+Jt1MsigHy:0wyIBdlFN/eOCYisEQ+n13iV

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 2 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
  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    collectioncredential_accessimpact
  • 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
  • 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.ynvokquxf.prtaauras
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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:4983

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

Clipboard Data

1
T1414

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

Clipboard Data

1
T1414

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

Data Manipulation

1
T1641

Transmitted Data Manipulation

1
T1641.001

Input Injection

1
T1516

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.ynvokquxf.prtaauras/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    4044d416d15df7d10971d6a98db761cf

    SHA1

    9dcedadc7ca16e1127a0eb4fb71bbdb11e015c9b

    SHA256

    93c8cdb82d902f5545d54a4e020dbb3fc7652e56b3bf4667fe3366ea8b475076

    SHA512

    f67c02cdae6bfa4ba03739518b62f94cc5320aa5347be30a12cd4ff18ff34c0f83870dc05d4515fb336d29dbcdb4e933e894336e6708e243ed73a65f494f3f19

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/cache/classes.dex
    Filesize

    1.0MB

    MD5

    968b64f2d40f2c1589b7d65b087b956f

    SHA1

    ce09248d088829f486ce974577a4d8365131c862

    SHA256

    d9985f79cffae4b0773d07e45e5c91cfb78ab8a95b186cd7e80fb406d47d76e7

    SHA512

    8ac46e7ac19f322120b495a7f7f09841531f0de0775f1606be12fac9c605baa1878e47af53361ccda83598014294ded7141f2be606647b8654202dcdca2efb4d

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/cache/classes.zip
    Filesize

    1.0MB

    MD5

    5eb2c9d9f39079825bc93741f80a44a0

    SHA1

    84a6d280923e218af3bffb924761696b60556666

    SHA256

    494a078b0a67c2e75d13b33d79a2a24b1c7d63ddbac35e42e4ad355a05225335

    SHA512

    9fc5b64b50051e5f276493e8a7b82a0a69799f2ba69435f5c66344db427da53fc1347e1acca69c7e5db25c9ec80f1af7846e3157b3775301ad978b974dc6f916

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    e81e351d199bdf51d6333b2d1fc710ff

    SHA1

    ac417550eac2ebb4cbbf1b097c149da639385fd6

    SHA256

    2bb54772d664fb255e90637b37e80837da483321a4c35d3e69d9e95b968e640d

    SHA512

    71810934f1832e71ec5fa2cbae96abaf48f1f16600810a004f6dcebdd275167779b200555e6cc928d47c8c5cd819e5a2f21adf845f5cc7887cf9d8763fe33952

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    7ea4b9367fd99124c05a7030242c5fbc

    SHA1

    c651f16e288af5a0770171182f9ec378a8de7bf1

    SHA256

    e8b3b57ce356b9895383952de443f2fdd41a0c5d09e256cc0a48c7e4d965721d

    SHA512

    ac9d0b96b24d7cddeeff6d702121e55fb82dfcadf28930786fb2a13033fa2a24e83dbdd8c424070e1575cc8be734a2534755d7b732f44df6136d8ab48003061b

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    a1171b37550fe2d08344aba6e29a1fcf

    SHA1

    ebe33ff9e8bdd807d6190fad3c19e125cbc0a732

    SHA256

    6da8713d2b38df7aea1b36dd5ee4dac0f7ac7887eca9731e23c653f271475728

    SHA512

    fa069a2ba55c5128a074443069621dc25295761965c83ae2781e47c9ed71ef430d3a88473ca2813ac64e54ddff9fa11a207ce883a4637a3d5e5e0316a1d4d001

    Download Submit

  • /data/data/com.ynvokquxf.prtaauras/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    404a28ba3a53ed3a981fc1ed3807d9b9

    SHA1

    e1e0e25a224f666c5321868040554ae21bfb0ad4

    SHA256

    d39988df400240c6d1f785c6476bbc83884d6edb80720fcd8ff22c83a1e2abed

    SHA512

    95028385ead7874d72a013b3cff926aaf585df472a87e79e5e50154ee6ceb0468e1bfc98b933239c924802676f00e3edb4f809fe41ea11fcf9783a7dd9e16990

    Download Submit