Overview

overview

10

Static

static

6

627e685bd1...c0.apk

android-9-x86

10

627e685bd1...c0.apk

android-10-x64

1

627e685bd1...c0.apk

android-11-x64

10

Analysis

  • max time kernel
    133s
  • 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
    29-10-2024 22:09

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General

  • Target

    627e685bd128aa9ac6ea0ae7bee3725f6a27682b80b966dee66601c20131e9c0.apk

  • Size

    4.0MB

  • MD5

    21232f1cd2013efd63240d3b4ea554f4

  • SHA1

    5601d8cc5538ba82bb8ef76ad3aaf4ee455375a2

  • SHA256

    627e685bd128aa9ac6ea0ae7bee3725f6a27682b80b966dee66601c20131e9c0

  • SHA512

    971c3c48c90968a015880362784cea2f5110e1602abfd57488e8782bc79268b3b55fb206ef0d569c0e0cac94feed59e01cc2edaa42562e47f9176e798d626480

  • SSDEEP

    98304:Pv+xQ23pMupfT36IVEdXDYvPp1d+DfDUY2BIgXd+Ll2wsK902AKL+IcgiD9I/E:H0Q2KupL3jVEdXDend+DrUY2Kgiow79e

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
  • 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.tzivydvtj.flwdqhrek
    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:4253
    • /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.tzivydvtj.flwdqhrek/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tzivydvtj.flwdqhrek/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4279

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

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

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.tzivydvtj.flwdqhrek/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    6e5cbc9067a4fb56bc3705caf065c1d6

    SHA1

    05c810abe1b6db7f35d523dcd9ed78b07e192523

    SHA256

    6fa0955772eec4cd7e6add719b9bc1d21810551b50534e8cc0203d89d30e2dc1

    SHA512

    2e3dfdc6c1442609fb1bd9b5a5a67b9319b442495e0e3890cdce27dfa9369edfd232e52a8810f4a1d6f7d8121d80dbe4d9c5fce05379ad817d8e3db09ae85986

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/cache/classes.dex
    Filesize

    1.0MB

    MD5

    674d0321f4078269e0680f550f7a0b28

    SHA1

    acfe2013480e4787cd9308c44505bdfd2ba09a3d

    SHA256

    044cad734ad9de06b694430a16509ad3eae76fc007c20242302dc39aad9efba3

    SHA512

    d5946fb3ce570b7cae9b1e39f6e2294d8a3a968d09a1092c398be70f97b0c9f313eadfa7333955b8d6d703664789af793b40b42834634baa252228214fe69a05

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/cache/classes.zip
    Filesize

    1.0MB

    MD5

    2757d75af9a5aeb6c86d404565dc8f53

    SHA1

    88905c7c97a2f4802560a01e8a6ef47dd6c54e88

    SHA256

    59ecf90877f277303062c43d6a320966fed85698b302cde8ffa008bc4dea2867

    SHA512

    af63026bbe5afdad1ee009071ebc38a03e7248258f749bd13152a0cdfb9f567ba7d3256af570a128b8d5d71ad76968db25f1c692b8e8c55ff205554d8984065c

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    e2736d6ef72e3882260a684d0e1ba91c

    SHA1

    fee022f1ffaa96e9b8744b6fc434da6c365f5797

    SHA256

    926d6770bd80736fb470eee58bff7aaa24f0936e19afd95b630e355506b745b5

    SHA512

    49c49146d9e170a434b3466869f6f943f26d20494ccab17baa930e393eee1e9110bcee567654ff877609d854c9edb8b03efc4994e7f60ae412dd72a1c58ae8cc

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    cf59a2ec4362f4c66c118c57ee201288

    SHA1

    bfabc99ce09a8c0eac79a5499900c321fd9a2758

    SHA256

    81c6156eb61a512574e2f4072f0b36c0ee4c13a1298bbc6abf0403e18203ebbc

    SHA512

    1eb2206cf58c634d9678bdaff023f76e566b12c9a257433d78bce87a68113fc335ddfbc29d44fea02015032b09a88e475536b4c376d362c0c4b0164727395b4f

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    541d4d2770ea8260978ff27c546f4089

    SHA1

    3312cd78ecea4fa5325a0c31dfaa4523d3bc97e9

    SHA256

    43b83ce165f2026466742f3137223d59ecba1d8cf4ff6c1f3db9de5e65c36b64

    SHA512

    0a2786ee8f7f243d8611d8720ef2dc238b05fcc63dd3c20f42d32a9719d54fd07ef43e30555804dc37cd1a7e01e8afd8ca263b14c4540ff2e6f86842cdf751d7

    Download Submit

  • /data/data/com.tzivydvtj.flwdqhrek/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    01c0da31b32ef625dbb925d009dbf36b

    SHA1

    0277f0a32a4e2a1946627d33e5c009923290d955

    SHA256

    f8aa2f607d439e3a1ed151d4d120956e929bb314dd549d444b373a5a1c04bfbc

    SHA512

    7c498447e2aa0a5154bd41dca2d542d18c48ee3dc66432342445ef775018dad3d68c6093861bb32535f3e22178984bf616c15d87e42b6de7037661b27f886a44

    Download Submit

  • /data/user/0/com.tzivydvtj.flwdqhrek/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    7c48a8d703885e24749382202fa7ff9f

    SHA1

    e31c1f8bf11cac1a6a17e94d6beb73de754faa55

    SHA256

    b2f352883c9fd826357efe6758cd50e56cc916ed577697d431fbd8926e9f100e

    SHA512

    b7e1f322248d01e8bfbeec137af9c8f477f4387ec413aac3d94f7b47e8f0044b1c8ac15a2bba23f622956fb08d3da02520cd399ff515b9305f656fe5bf18a0d4

    Download Submit