Overview

overview

10

Static

static

6

786ed7d045...84.apk

android-9-x86

10

786ed7d045...84.apk

android-10-x64

10

786ed7d045...84.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    158s
  • 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
    14-09-2024 22:00

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General

  • Target

    786ed7d045dfd4e188315d00a33331a8b76233c59f68c127937a5e394a03f184.apk

  • Size

    4.6MB

  • MD5

    c39ebfdfa7790381f05925eae5e896cd

  • SHA1

    861cede2a39a00c637ef576f176b711a39b30770

  • SHA256

    786ed7d045dfd4e188315d00a33331a8b76233c59f68c127937a5e394a03f184

  • SHA512

    c633dce31e60f36b1b0443e20bcbb2c2d28a2df2b93eb5a5fea930e5c20b25cd6abcec22c45e8ea6b252511a3ba2fc3072e88972e7c3539e6d6b5df7ac0cb7b7

  • SSDEEP

    98304:cpmomOHUFk2YVrEh0SNdFqytcIrQV1qKQRliwdW6pDCYn:cpmopH3/4dNd1tcIrQzqr306pDC+

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://92.255.85.109

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
  • 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.iehccmkir.jcvezmklg
    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:4312
    • /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.iehccmkir.jcvezmklg/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.iehccmkir.jcvezmklg/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4343

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.iehccmkir.jcvezmklg/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    84651a01e166755e914c3b217fe457e5

    SHA1

    78bbf16a239de72a8fbcecb72a36ac66b741f593

    SHA256

    71b78b05295841303991288281a89e328829a76ed1410b5e8f51876c76954cf8

    SHA512

    ff22e2b99c9c7bf70e9aef8cef6ef0606db06b49eaa57f5d59de4fcabe92ac585226d55f78d6e30e37ebd295fcd2f9ef728a70d7a65f5e6371b4bfde2f3fe879

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/cache/classes.dex
    Filesize

    1.0MB

    MD5

    4fc1e809e1b7a61d117e41a1f9aa8bfd

    SHA1

    0997d54c2af39f404ce30f6926d326909e274ba1

    SHA256

    71a72b860a3d97c4174afe4650ad4259286fdfa39afa2f6aec4efce4fca49d2c

    SHA512

    4b0ececea730551c59faa660372594cbd74173f3f554b9c2a704d2a6a76b0c2815e9e8bd46ffc5499e783346c354498dd31bda439052c169ce2f5ddc6ba571a8

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/cache/classes.zip
    Filesize

    1.0MB

    MD5

    31512121545ffec9a741de1ca09a2793

    SHA1

    fdca1bf3ff6dae49d2d6c562fbd8743308b7a9bc

    SHA256

    2f73b0458137bdf6b24dae65f58473aa2b7ce43c792eadf6e372979e90828ef1

    SHA512

    f02498bcbb7744e9db3355a66fa2b5744026e3600eaabb8259d9efb7baa09a4c4fb29b7a0d79fe84c47104f423a0c6415da5ec88444fd3a038a37c2e7c30bd4e

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    fdb1c9725f6becf53f408b31bca6ebfb

    SHA1

    807f80cc3cb96660aef6f189d9f0d6bb6dd9b5e3

    SHA256

    43254a24dbe0dc240cede5585eb0f6cbd5f2a5230eabd4b275529f9f849e77a7

    SHA512

    68f25033f70a650da3416263fdf2d464323f4bb895e9504d8170071663e7c077b432a71ea7c3582d8fa180b208288c614da938f8b69b6a3a35324b7a116a5ed5

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    b586d22823a203b86af9c8af6fe7a2ce

    SHA1

    67a98f2015f2a6268e1d678c59723522622c2de0

    SHA256

    d0d334b45027f61f1cee44091057eaa6818d9a232121e6338d800522c0a14529

    SHA512

    c060abf66ce86bfbe45e1276e64813a0b3908269ce43155209659391769d5d86972db6c18710b27b92b5b11411035dc5e5da40c4210038fafdaf8501094034ac

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    6154dbf0001c7d3ea9f5090371806989

    SHA1

    376ec349fca54347b4cde725d61388cb1814aa1d

    SHA256

    f94bf3f512a3e5c735540a178cb40599498cc71fe4748525d8f3be356026b58a

    SHA512

    1da98577a19dc7ccdb68e0f3254f403194ec4edcf1f3ecf9632e0751d780fa233c7eab6dadcfcd18b79eb0709a84b72be5c85162905d9e1e58663e2270b98f28

    Download Submit

  • /data/data/com.iehccmkir.jcvezmklg/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    6a7b994f9ede84ba9d2b151f63b184fd

    SHA1

    af62deda76f3503d1d507bb3d3ce96507bceb763

    SHA256

    e68b6a6921ed93a50f9acc6f8d371ecd715b8d155f96288f17ea957a8765f604

    SHA512

    d3c10ac0bf25cff892b6ab6a3c5494267ecf6c01ba8480260fb10db2e295a463c5189384a04dc3001881dbe56171bbe649a0ce0817a1a30a5b5f1af4fd046165

    Download Submit

  • /data/user/0/com.iehccmkir.jcvezmklg/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    5683f0716ce720c27771c45675961332

    SHA1

    ce5e207f34bf25248ba82839a6565d7dab0875c7

    SHA256

    b73b752aaf414fc78da54917edd1c01c8169326ed0fc5f52120a0b8cdc5727a2

    SHA512

    8bae00daed5b21f832769354361a97965c071c3dad9a4f4b0702b5bbd9ab0ba408aede85a1b029348bfc9d7877b1dc9aa70e0caccc8222f85dd9f1fd05d9a41b

    Download Submit