Overview

overview

10

Static

static

10

be966b0089...8a.apk

android-9-x86

10

be966b0089...8a.apk

android-10-x64

10

be966b0089...8a.apk

android-11-x64

10

Analysis

  • max time kernel
    40s
  • max time network
    151s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    29/03/2025, 22:02

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General

  • Target

    be966b008996fca884ab269a1f843007a82f38e24511c52ed63a3e69ac5deb8a.apk

  • Size

    1.1MB

  • MD5

    5aa447ebaab3b41a4882cb0ac6702a19

  • SHA1

    2099fa70fdaa308562b0a20890e5e0f0d590960b

  • SHA256

    be966b008996fca884ab269a1f843007a82f38e24511c52ed63a3e69ac5deb8a

  • SHA512

    183a8cae6ae7bdd1a3d22097a8d761880215cc43f291f380d8c6588f7c91c70807d585f9b5c955a0d13155bb2fea61709cfed5add7b7473c965be68dc5287a80

  • SSDEEP

    24576:O/yauz49i54KJtkDhg2coT0zMGlY+U/ouykSg/szPY:O/Rj955UY5SYj/mkSg/qY

Score
10/10
hookcollectioncredential_accessdefense_evasiondiscoveryexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

AES_key

Signatures

  • Hook

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

    rattrojaninfostealerhook
  • Hook family
    hook
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectiondefense_evasioncredential_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.

    defense_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
  • 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.vutuzaxejizi.kolehu
    1⤵
    • 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)
    • 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:4214

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

Foreground Persistence

1
T1541

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.vutuzaxejizi.kolehu/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.vutuzaxejizi.kolehu/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    468620e2ba31d8b7c010fd0418ddd0ec

    SHA1

    fbc0cd02926e72f17020dc315e49ee8294e36367

    SHA256

    d1f2631086cf1e2f890a33d389a8cbf3a1dbb18a591cb9c55819be96299ed8b5

    SHA512

    3cf3c89d40b67fee6359ab795a1e652f02acf09e721aa93162f52134e8601183d8ffab1067fecebc4d00fd8d02b89b257a6b19c6ddd17abb5aa55d38fe4748f0

    Download Submit

  • /data/data/com.vutuzaxejizi.kolehu/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.vutuzaxejizi.kolehu/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    f4e4edde38343be927df0898f78dedcc

    SHA1

    6c67d24da256b565d66e72509e14bb622dd7a53d

    SHA256

    bbf0963e6f9b1cc42e40b17f754a2f0ad1ee0fbebad01b14c9c7e74434f02aee

    SHA512

    f07a5459e7cb56a2af6b9a49ff22d3e0958c1b9d427e98fd6ada0f1936d5f0ffe4f52bc2176257f7f0324a7a2bce58271126ef2804b43875d7e83649047f9ec1

    Download Submit

  • /data/data/com.vutuzaxejizi.kolehu/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    6e2364d3c17324c3bde3d9d160660f5c

    SHA1

    517bfc05f49876adc8bd8c9bef0a72e673c3cc94

    SHA256

    98df50c3aaa6cd6ddb605092f0423ec50428089c15eaa8a7c86bd26def8c1c75

    SHA512

    cd30791908e8d1ca80cb2c612da6c40f74079ccbba8b32702e87793f5822a331d903411ab6827e0cf70ab97ad50fcd18ff2c8c332297f7e92c1170d5dc9b815c

    Download Submit

  • /data/data/com.vutuzaxejizi.kolehu/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    0bd75f929ec690e0d0273937e191073b

    SHA1

    d780e238e57f34ae7a1db36c977ad31550a371d7

    SHA256

    af4df8ba6bb22643f892667b879a48f57574c7995ad7b7d353971236bc230367

    SHA512

    00977bb8123b4ab84015079ba511a4ad0bd8efd5f72641f7486b25b49f8361f5198ddff695c9485b3f563e637ce3edd49a2941946b295d1697ec790dfecd41ce

    Download Submit