Overview

overview

10

Static

static

6

Actulizaci... G.apk

android-9-x86

10

Actulizaci... G.apk

android-10-x64

10

Actulizaci... G.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    155s
  • 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
    26-11-2024 13:48

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General

  • Target

    Actulizacion APN CLARO 5 G.apk

  • Size

    3.9MB

  • MD5

    99fef1918682bfce2bac6719de40c707

  • SHA1

    8aa0040ce187cfb8c7ba68e598a869c99f481580

  • SHA256

    b08f7d6dd6997c97b08318c80f382c50965c29b2cea3eb1df4f7520af7bf366a

  • SHA512

    5b69d1d214641fa118a1327552a43ef01e824564d4e40973f4abb018422c16dbc5c5ae79ff445b711ec83b587506f8495f95a982738700093913c74f10ea4fb1

  • SSDEEP

    98304:esYz/3Vzg+IAjRF0Sy8Qj2PzrFyIg9t4VLNv:esG3VzNIERFrc2dhAurv

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://176.111.174.221:3434

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 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.jcoagcdag.kbzvxbdyv
    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:4319
    • /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.jcoagcdag.kbzvxbdyv/app_app_dex/sjmtxty.gum --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.jcoagcdag.kbzvxbdyv/app_app_dex/oat/x86/sjmtxty.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4347

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.jcoagcdag.kbzvxbdyv/app_app_dex/sjmtxty.gum
    Filesize

    2.2MB

    MD5

    9e28e71b559fca9d2e9caa5d1e4f2f76

    SHA1

    f8cb37de35609c3c51887fe52c4464de5ef4ebd6

    SHA256

    c09e42194a904717dfe37c9a87af68db93eb17ef516c5d3c18db0d896cc948e2

    SHA512

    e9c37fb1db93abebedd5732e809aa32ea367750da252dd3a142c9b128bc852c7542fec1d188daf55f9b928cddfe3f63645ff29b98e6f0d2908e7ae13b771b0d3

    Download Submit

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    20097eecf36e95b696b4adb0d688f080

    SHA1

    7a6590409f5a2c2fc0937bb5e41211f78d086049

    SHA256

    cfdc061b23748623df388a83a88e88e0a8ca4faa52650eae1b4be9ba6a720c26

    SHA512

    fb90f2e5f02aef51c1eca0f87a6bce9e2b4f93110f6542ae6899958f298edcfd48909a5f347e4746db718996aa2f10356f53d94419dbe2d8edf530690a43a8f4

    Download Submit

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    15445108762b0c007b4ac87cde33ce65

    SHA1

    685c5fcbe8d2ee5cc0924f1364a3002cc41b0fcc

    SHA256

    3d39c684a056a6c52610c9dfd124baf4ca127179687d1a51b0ee386943889fe9

    SHA512

    3363552060b5aac7a15998b217fad6b33d88a0a401fc730f81228d02771d1700190052a41424f1a2aabc13f1575f849d01ffe6eba3366036799ebeca1294b2ff

    Download Submit

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    70e761ed83ce93d1e0b95a54c53723c9

    SHA1

    ac55737fc59fe353dedfb22cc431779088a00f8c

    SHA256

    8e995b5bfd238da5e84dcf49df86fb1ab4009a3449aa1a052db2cb162771bbf0

    SHA512

    38982c7e2e1df984cc0bbf731f04bb837314ac7d362745c85caab65fe4e0f28efe62a164d827e7c131cf9937253706631ce55594002d3d63560062610a46759a

    Download Submit

  • /data/data/com.jcoagcdag.kbzvxbdyv/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    296e8fb3f1bf2a264f3a1a35242a8427

    SHA1

    87c9c0c7a1da18b11dfcf7c09f8b28f3cb35ab62

    SHA256

    297540cc572561ff0d5ad6a69cb70b49c3c184c79360adfa2d442cc2fa590cb6

    SHA512

    684d7d8015e1c252c219b98bace13e35247181fdca885bcc8fa0633de2bbc3b7cca8947eb859617213a5c13d88d890d4a3aba1966d78f4fcf389cfc0b4cdc564

    Download Submit

  • /data/user/0/com.jcoagcdag.kbzvxbdyv/app_app_dex/sjmtxty.gum
    Filesize

    2.2MB

    MD5

    de526b9ddb93005bbec8917bcb893297

    SHA1

    8d64d28b1e3b3d4c0fd311a3b78ddac3b70737f1

    SHA256

    b13cf9c509021cb7c3f0f9f0320f9ff1d8d24a9a92d75c8e211bb0e95a5cb4be

    SHA512

    66d4cd979719e580c93c2dd53aac3b1f10c6fb8da40d437128448337fd40b3a165be4c6046f8bb24ce133e45311e719a363496f9feb23fb2f460a7a8f320454d

    Download Submit