Overview

overview

10

Static

static

6

bd2675c043...4e.apk

android-9-x86

10

bd2675c043...4e.apk

android-10-x64

10

bd2675c043...4e.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • 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
    19-02-2025 22:00

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General

  • Target

    bd2675c04377f3e8667667fbd50dd0bcd0d7fe9bda3d5231801db22ec372fa4e.apk

  • Size

    4.8MB

  • MD5

    0e86fdc258c88445bd1f843534f17421

  • SHA1

    1e995aa079787feae50652cb522732313cedf4ab

  • SHA256

    bd2675c04377f3e8667667fbd50dd0bcd0d7fe9bda3d5231801db22ec372fa4e

  • SHA512

    f57ea3ceec0c3b5903f21fbce6cc1a44f6112c7206232f90fb9a18987d4452a99ab17239596b31c10f3348aac4fba46b0cefaafbe95d9e2a92e72c0df8cd82b8

  • SSDEEP

    98304:8gi+ZToesFQKBKgA9lr3jwzvXUNblCBiLzwiekCPWResOMHGkBAMNn:8+1rKB9A9F3jSv2blCoLzwwCPWReEHDt

Score
10/10
hookbankercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://176.65.134.87

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.

    collectiondefense_evasioncredential_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.

    defense_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
    defense_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.bgvoerxoa.ttsdldwei
    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:4314
    • /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.bgvoerxoa.ttsdldwei/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bgvoerxoa.ttsdldwei/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4341

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.bgvoerxoa.ttsdldwei/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    5a26341f7ce27949a670f5aaf4a9b889

    SHA1

    7673183901800908935527427d1c3693e95cd337

    SHA256

    6af72c50b5d5bf39a1dd6aaa124639d809e791951c296dbc61832f8603f01088

    SHA512

    a922d6401c6f3152de270f89e0ecc09622d4d65c2d445aa960867c5c892baf3df0009c44825f3b8a1893aa49fcfbe295fb0181b63591959a3c3aeff1bc89b548

    Download Submit

  • /data/data/com.bgvoerxoa.ttsdldwei/cache/classes.dex
    Filesize

    1.0MB

    MD5

    bb3e92924fc1012526fb287851330207

    SHA1

    792e2320dc6f28f2cfa8a0485c62a09abb48fdc2

    SHA256

    3791107563a72efeb461f6b2e996d1ff31f846bb91a035b49f3469c6ce354ec1

    SHA512

    df6d47b2294b8c28b9a28266fce7bf16a60b929760493ab9e45975e4f4367f7a885455e4e9301556cadf5fd3d9a2659f48e21041c0c3ce3607c877e626d1cccd

    Download Submit

  • /data/data/com.bgvoerxoa.ttsdldwei/cache/classes.zip
    Filesize

    1.0MB

    MD5

    c2b97f49ef7b4ffa2a057b9fa9477d5d

    SHA1

    0b472940dd7c2218356e2ac1099560648a4f5d7c

    SHA256

    ed77d362f64513e7de7d816d28d8c23d34822253d922f713ad57ffd4d7cc7dc5

    SHA512

    2deef17edda3ee62fe2e67d6ef9c211a67364e818848dd6a847ebe79ff1fe26ef31eb42d9ad80f2c6c0db26c21fdc3f813cda2f3f1bab9637aa294c2c12d74f0

    Download Submit

  • /data/data/com.bgvoerxoa.ttsdldwei/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.bgvoerxoa.ttsdldwei/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    7a96a6d2c172a91f9432dac341a4d31e

    SHA1

    07d602674e2edbf0e20252696c06d2f1eb7cd3dc

    SHA256

    e41654d8bcbfa583821d1b7f188f4ab1d301d3ea324afe1bab7dfb17f30e20dd

    SHA512

    1024597a2780e06997517f5898c434267ea4b8f409c336057db7da78f35d0ed66f78dc19675a5f5e48e0ae0e44a3e139e15f2c9c181246dcb9460f0a91325f7a

    Download Submit

  • /data/data/com.bgvoerxoa.ttsdldwei/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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  • /data/data/com.bgvoerxoa.ttsdldwei/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    56263aa05a53d758abc6905ee9b11dc0

    SHA1

    fc9c2387ec689c1099ef78cd718fb5b1e5ce0164

    SHA256

    af7f12ed11c701eb3559758f899c1edd447a1988017762779000baeee53ba576

    SHA512

    735c16c204ce08e79ddbce8acdb4634382fc481a8618d1721ab3d378664e7eb6eca95ce4a7787bdcfb037b2c4daa02e42182743ebd029561433e8ae2bd3249dc

    Download Submit

  • /data/data/com.bgvoerxoa.ttsdldwei/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    9f80443399343affcb9db372807abb1d

    SHA1

    ba5a94df51f6c6c7a23378c66053174a066402bd

    SHA256

    fcd8a9245dd772936b645c51a652c8e66db021b32104ee14c22ba7c9afc45e57

    SHA512

    3336bd73c5817a995cc469b9d18b808e7c3c73265374848d02bf44fc0c4de4b3c2e12bbdf8c98ce6c3402152bccbc3cbe41bd19a3779288739abc4e92b15fa63

    Download Submit

  • /data/data/com.bgvoerxoa.ttsdldwei/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    1c6ba22c9f4f604f5f26583cd909bd3f

    SHA1

    9eb6fc132ea37205ddf20b33bbb447e547398e29

    SHA256

    854888415893d8972397a8b00554c57b51c045e311b44444bfcfc9aec1e55db8

    SHA512

    467b06fcb405f154cee68ada7aec58e547a1968eb5d65b52eb1423da9cd3d08ec1d2cb65462426e924cbe24b2786cceac4f72aa19040035401a6fa0fa626b523

    Download Submit

  • /data/user/0/com.bgvoerxoa.ttsdldwei/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    33c85396cc998a4d1b6afc0733445af7

    SHA1

    5613024584e7976f2e0637c7d8903a281e688240

    SHA256

    c9154d814398005ea884ec54487d1046636a6d6d5227110417f8585859724c69

    SHA512

    0f1a719cf55ffda0d3e30b9c0be3d552611227f1c4d15c69d87895bfd05318e130450e13deaa4f71db1249c35524c6ad280907c95fe8605e8283cf1845857ebc

    Download Submit