Overview

overview

10

Static

static

6

4cdae88eed...1f.apk

android-9-x86

10

4cdae88eed...1f.apk

android-10-x64

10

4cdae88eed...1f.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    162s
  • 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
    31-08-2024 22:01

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General

  • Target

    4cdae88eed2c9997fa8478de74b20a89b4541a3ed6bd04613952f260b5ca921f.apk

  • Size

    4.3MB

  • MD5

    63ae5bedc4c911f33da59fbe6734d5da

  • SHA1

    181b5fe5cca971096994ff5cab9ca5ad95b90456

  • SHA256

    4cdae88eed2c9997fa8478de74b20a89b4541a3ed6bd04613952f260b5ca921f

  • SHA512

    77a35a1253623be3a177cf620539e65ec76d585aabf1063fe67b9ddc1ec20bd368b82f46a228b6b84cec267104b565b2c7036920a3f778377b8a2f8c1c8df41d

  • SSDEEP

    98304:jRFeJ/jVxqkTX1452ICHChqUentI+wMJeXb89cITyNbkz9:jRFeJ7/TzOsNHCoBrT9cITy0

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.233

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 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
  • 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.fbbrjneku.jvfbhxhxg
    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
    • 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:4256
    • /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.fbbrjneku.jvfbhxhxg/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fbbrjneku.jvfbhxhxg/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4287

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

2
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.fbbrjneku.jvfbhxhxg/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    e2402124e9193944254b038c1065e22f

    SHA1

    fbdfbec73af08e258321caed736b9e556423359f

    SHA256

    433ff6dfb008ed87e49483791cf0fc224da0084226c9a65129e58594bd8d9e3a

    SHA512

    2917d14e1389c029b269ff138bbe567a0512399b6c6168837224e67589903c7f749ddb1b5fd136a62446b06bf68030cbc4e75ba8ee6799161a0340cc3516ae98

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/cache/classes.dex
    Filesize

    1.0MB

    MD5

    a908b969b6102b5f2d605d50e6a57c8a

    SHA1

    24079b7b506d05d9cb5414d46c257a46aca493f4

    SHA256

    0e142b8213e7f1cfd5439fbdd4a6bc7eb18242be73a97017995362d5bf5c7269

    SHA512

    e40ce266e58ca152b0035cf18b6c996316bdedb1e69df71d17ded9072e9cee5f99f8f0032ee04972e46437bcb0b44306f845fa6a76ec20d284338837f6ecb7dd

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/cache/classes.zip
    Filesize

    1.0MB

    MD5

    a22dae66b9d0a209200d6afbac2d5fe2

    SHA1

    f8b3222fe40530c309d6d428cd2a98f53ded56d5

    SHA256

    26aecd8602e3d5d8003a27ae195c8846aad8f1e608f727b2d40d96b0ec6089f2

    SHA512

    235ba67c3429e3ca9f84350f4b0bb56dff4af74103c30c5accb1d5d066cbe7dfb86413267ca1778093483764e1e71abf227eb6e497a0f694b34b0a6060d7c35a

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    455ec64efd8a62777dbc52959e38bc1c

    SHA1

    9e61152b447c08eae521d68804a7757da7337da6

    SHA256

    53c7fee2419c450fa5591a8b79098ba11d3c4b24842a8e9b93d01d90d98e5088

    SHA512

    254fac8115c56a6dbd7da03624e45b23833b81654917fd0c6927a2d261fe6389243b4f342f618d5747e0018a2397ba3970c66b3a7fdbc2683ef33a3707a5763a

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    affd22f099ebfc86f7831118fde13b20

    SHA1

    2178f1226137ee4019e0c6caff987b15035ef8af

    SHA256

    05d162a9ed468fd6c7fa6502b72da890d65e1f44103574cae77d84afc22045a5

    SHA512

    dc4200cdc28dc3ea7a0dfbaec94e12207de406b54841a9fb2f7976906e4cafaa4e115cb7118144c668096b9b547b7c67834f211f51d7862855a54f751b8d68c6

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    f17f434fe6561708dbef611b21c4e030

    SHA1

    e340b26d011880fc3df8ffe02a4c7cf2bcda3ca8

    SHA256

    893535d7521fb4a5fdf0f2f98a2b6b14055e826072cac7337eb6dd62854f4460

    SHA512

    a2c1485a159ebb2a2c18b7ce92bfe9c68bdf7aacd11dd288850fb5d369c9dd0abe934188216172f59daa0e70a4cf66a0f06ad920284158a2d57d7419bd4ed521

    Download Submit

  • /data/data/com.fbbrjneku.jvfbhxhxg/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    357d708ca47df71a6c2833f2ba359693

    SHA1

    2314fcce14f162896fb57d1261c17bb1de3ddd06

    SHA256

    1b51ff10233f013fff66574802364f0d8614b63e9fe2a83f5832c9909f0e74fb

    SHA512

    7a9a0815839339400e7e37477ece19aa97127cebd4feeab0802bcb92c132b00e59de64affa6b3091e5f0115aa5cce26c58f7df908913be90be1b7b4ff33a16c0

    Download Submit

  • /data/user/0/com.fbbrjneku.jvfbhxhxg/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    d251e7b7d4671cae6e547c6e7c604bf7

    SHA1

    2bc8542ca434246cfe3215432e077546b2635734

    SHA256

    091ea10f9f93329676166999cd72f687eac6f23dc1b1fd60e547d707be8cf865

    SHA512

    1ac683c4c0e9a94b60da2e90df16d70360846a446011b8c4ce14d438811842ce8d7641547c1e54e14889e38a3fd7dd33a7dfb6cef0e78a0a922dc69e12c1ef3c

    Download Submit