Overview

overview

10

Static

static

6

ca811f462a...66.apk

android-9-x86

10

ca811f462a...66.apk

android-10-x64

10

ca811f462a...66.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    194s
  • 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
    06-08-2024 22:02

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General

  • Target

    ca811f462a49405eb48a65321bba2d75b8a60461a1ed9751c331cf26a0e5a266.apk

  • Size

    4.3MB

  • MD5

    0ceb37d86d80d483aa0727457c4aa12a

  • SHA1

    23d52859a802a9ea97a7a7aa0fd15b98eb93825d

  • SHA256

    ca811f462a49405eb48a65321bba2d75b8a60461a1ed9751c331cf26a0e5a266

  • SHA512

    76cb0f0757c9423e7cf77a4507869c5fdc34d967ec62e5e09bfaa6d21d5283109dafd189efc7bd5738ec78956577473b0f83c10b5778c1d391a992ad578d5a52

  • SSDEEP

    98304:nfNd71Mq9IOFc7umi9RtH3uQnDfW61OEntZX2YafO:nfNdZN9jUulPt+QnDfW61FntBCO

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://149.50.108.117

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
  • 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
  • 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.kanbnpptb.jwkypkhar
    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).
    • 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:4268
    • /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.kanbnpptb.jwkypkhar/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.kanbnpptb.jwkypkhar/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4296

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

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.kanbnpptb.jwkypkhar/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    c60e84cde1c08a0078121e7e0c96aa95

    SHA1

    5c6afa9f128fb3da028e17b4ca05f8dc616aef76

    SHA256

    d5ec0183b4e7449134d0c9f1c4855ef5cfff21acb1fb2ae99df88572b9e4f306

    SHA512

    9e2298a4cced2e389a469d52b7f0078495e88d44af47ab56b9fa0fa363829f42749ecfb09e0e640908d4eb2b0807571c6633b3954c7e4f941a1adee8f72800e4

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/cache/classes.dex
    Filesize

    1.0MB

    MD5

    4dd425b4b5309f3b34019b2db39526eb

    SHA1

    7d565f8278f6fca6d9f47446f24967ba9b9cb757

    SHA256

    b68dc2bb0970aa037002faa873b1fc5b341833ebb3ef28d35b435edeaff1015a

    SHA512

    5a367bc3e919f736111f9676b95fbed5a5345e346a39ae97260533bef7af62e7e812d4a437371bb9c60d5a3ad98cdb2763ae4daeed997ffb09dd1d75c2cec7e6

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/cache/classes.zip
    Filesize

    1.0MB

    MD5

    8f8e6ddd40b4f48f601d4ad5977016f3

    SHA1

    1ff5ff23e8c7988a5eee60877ff024b8b4b8a0c8

    SHA256

    149bcdc13679b270555bad04e5ac20a32dd022898fd25bfa4d8c8530acfbd387

    SHA512

    e5faa62536e37ba782a75620f6be210d994d3a57f154a382c5cebd5732803951def9c87303e75a36c68b156e3d52c35a8faf13540e6efd85a4949da882b28d79

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    4b67014843b101477f9e6d2aa75019d7

    SHA1

    4892010e2415e444cc62b79009ded5b67212b9f5

    SHA256

    e62881de1af54259116f6583327d4c29f0cb02ea31ba146ceb90e1de72cdcbb0

    SHA512

    7e6dd84104d534effdf00e16c49a1487ae13c5924823002ffa989b34833d1d54a35f7f063fc45310ee21ba847a3bc3ed3beb09dd23d9ba54e8548ee2b308e25e

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    7ff56a8e2ac52b1b579772a79a1489eb

    SHA1

    8ba9115aa27ac2a94fb43b049af07086d249be24

    SHA256

    8cc8071af14ec06d734343b473bfe9971f4ed75570e744007648e32029f184a7

    SHA512

    108eb9addd7230126ce42b1b743928dd75abe02fd7356f1fffa9551d52a954248f02772be3ce3ade045a184500da9bbcaeb36d28bcd182c6697b1b4b621b204f

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    a41625118e30674faa6bb2d4d6c6350d

    SHA1

    7f78dc8c11b2062910093a9ee532e80ba19b79ba

    SHA256

    6c37e6e1a2e4f08fea92588731c34e539f1d4e85c5d7bda112c76e12f480f9f2

    SHA512

    534f2f92a7f4a193cdd539032e2cca31d2b418adab5a15eeef4ab0470833e09dcbc1788870c2083bb560a6e25570a076f24b3756e18f61dc15ecdd4af25b2533

    Download Submit

  • /data/data/com.kanbnpptb.jwkypkhar/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    3f6612a6f624b070663b3612160e5843

    SHA1

    7c7e581c43599b260bf45d2f8171b9aa9ba8a5f3

    SHA256

    994bf133b75eb13a681b479ab133de7841fdcc4ac32f7895620a7f78bc7b03c6

    SHA512

    ed62b8e29db68c82565279400a4e8935ee957e334e33de65b1a5f20848d6f9464acb9fb124324f51fe1cd289bf36778964bba7924d37c89d2fabc51b674f68cb

    Download Submit

  • /data/user/0/com.kanbnpptb.jwkypkhar/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    2b66318042a66cc844ade85cb4afb023

    SHA1

    dd680f87d01242c43303feeb358d1a1d4c3e2d49

    SHA256

    de434a099d377644730831e4bb39968e944433cf5f999c00d31b182811ea9586

    SHA512

    83fde57b42e37dda91713b35b5e499ad3b66e0b946ad6fa78577b5708bc097f108d6841d8b346f864038e167240f59401e5695c4e3b9404fcc014ed3131489bd

    Download Submit