Overview

overview

10

Static

static

6

a1cde728e0...1c.apk

android-9-x86

10

a1cde728e0...1c.apk

android-10-x64

10

a1cde728e0...1c.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • 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
    17-11-2024 22:01

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General

  • Target

    a1cde728e002bea0c7a8ccbcdc768c07070595722586a96311cb8ee67c96541c.apk

  • Size

    4.5MB

  • MD5

    3a3b6b6addb9363d29d71f812a206edf

  • SHA1

    bc41f94bf099801f63ededa7cdc910d58f494611

  • SHA256

    a1cde728e002bea0c7a8ccbcdc768c07070595722586a96311cb8ee67c96541c

  • SHA512

    cf22aba65860af243eade0af31e31775307175693a01156f6a9bd07824c548a8a191d8ba56cf274521b43168b20309ffad479e4df3241af345c1142185d4a783

  • SSDEEP

    98304:N7siz9gQAT+2isbirbnlad66nAJ4m8Th6NPk1FEQMQdsV2L:xLza96MbwLN6nAOPTh6NQMim2L

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.bitejkoup.ksmlommbb
    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:4265
    • /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.bitejkoup.ksmlommbb/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bitejkoup.ksmlommbb/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4291

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.bitejkoup.ksmlommbb/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    25c51549ad94398e5cc70218ff594d83

    SHA1

    e6b015de8602920cee2e6a061901cb383a4f430f

    SHA256

    3ae726c5690e141f75dc336fb1f3b406729c96d6c620ad32cc79a08f2a00e354

    SHA512

    8706c6882de933d94f7df7937f0e1049570d29b6b0e1e10b70fd3589fc429ad9546e816cc10c8e03ededc0f40828aaad7091f542280981c443f1708c9deaf173

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/cache/classes.dex
    Filesize

    1.0MB

    MD5

    4ce48ab27e54230b63b0612bf5cbb718

    SHA1

    6b564617f8f684a05dea4a33d2e83f8dad1e39a0

    SHA256

    3332c82cf7498d6c10b1d95b6239e71acfdd4aa9df5075b2b3a25dac4c372476

    SHA512

    cad2af7f81e2a6b2af5f6256996039516b6e089975f8be1609968ef1d24a581a83613def7cec9db32bf20354101b60939246ba930c6dd0a2580ba7c47427f5cf

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/cache/classes.zip
    Filesize

    1.0MB

    MD5

    6931b2ef642907d143d9bba65cb2982d

    SHA1

    3ad37de5876dc2e742b6d7d922efe6a6a4edafae

    SHA256

    03e611aaaa0dd48347ebcec30ef700feb81616eb1e51669ac12df786fb9b7564

    SHA512

    6579ca60f392fd4030ce160a94ce2410257ce1fe488df2bc34668e6f991347a12c8bed2d83f834b638be09bbe3f198c59bd549f20c2c7e3194fa2197952d3493

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    84f742802072c84d77fb21e9f86d29bc

    SHA1

    fb9f36d056df78ae4cc502c6d65cdee875b1cdb8

    SHA256

    b564c0b66e9be8629b0cb78977c4b7b2bb5f4bae26362ccdbab2a46410856570

    SHA512

    3af4a64a57b5f9d5e421f3a8cc191a411981c4bbe151b23bef672a617812b4a4f06e96f479bb2e68c31028847f1dd10414c9883766b3e605ce206b895beed7e0

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    088f509fdfd788fd629ddccd8dfd342f

    SHA1

    77db76e51c66d86f3ae58b648cb34a98ef0b7ede

    SHA256

    8055ee5d6bc1ad2b93f0bdf535a68ca0c42f0c7b929b575dd3a6f172ad8d48df

    SHA512

    d604f3e109076807e4340b549324db8554b3f6685db548100007fc5ef86962d85b47ceed838171ca70ccf38ff55ca3eace47c9471eefae60357dab9eaaced623

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    b3ba231162bdeac47d611a8e4f3d8615

    SHA1

    e872141d936cd27ea999b50a8014f079f5007a80

    SHA256

    c9b2bd79b5a7294d38ce52119554db90e9a8b1ea1958adbb96cfbe9d5ec7526d

    SHA512

    1dcb6903f4982d26c7b9d39e2b6f9e2137ca403beb16e9ec392132a406ebc1a15d03f3f2cdb6f956011009cbb9084d989777c7ee6b3ec80754817d0e76d280b5

    Download Submit

  • /data/data/com.bitejkoup.ksmlommbb/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    9dbcdd572a951b776b316ae92864683f

    SHA1

    ba3e68f2296be0874c73bca1716f303402c1cf53

    SHA256

    9f92bfef76c0f8e5b804fd2a5288d901c4c213ade18628915ec296bf3f38c3b9

    SHA512

    37f0cbdd2cd5e539e7d05710943379b3d4d598eb1461774bb1e696d7129b9cdbb4b9d28a7230e683e1b693a7c319e4cb114dad4a5b0256282bf710d169d6e1bf

    Download Submit

  • /data/user/0/com.bitejkoup.ksmlommbb/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    9fbd9c3dd6ae42fb26a42cedfa00b466

    SHA1

    26c1bb4dfe48d7e3625a966e7b59c70d78bbd3a5

    SHA256

    560bfd32c61264cb9d687ebbe1ce625a664a237945e02085ba40f75eb1e7bf4f

    SHA512

    772d7c2cf37b140fdb7971335d9e4c52d2ffd2575dacc4ce523157877e524f31aec172355420eedb526a2dbd115558e192b06bc8b176ceefd575c56ce8b9776b

    Download Submit