Overview

overview

10

Static

static

6

ed50290a1d...36.apk

android-9-x86

10

ed50290a1d...36.apk

android-10-x64

10

ed50290a1d...36.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    192s
  • 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
    08-08-2024 22:02

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General

  • Target

    ed50290a1d59867fa3baeca6bba1f52b3445083abae11b6115796d37ad433436.apk

  • Size

    4.2MB

  • MD5

    c1fb7617de0e8b2a7564549a64e3affd

  • SHA1

    714401f0853445cbfb8725511b6188514d766538

  • SHA256

    ed50290a1d59867fa3baeca6bba1f52b3445083abae11b6115796d37ad433436

  • SHA512

    57d80ef9a0ddc83a062494f6eacc1ed7a5fd66943de4eb158e1dccf7448163d332bac4c4068ad29d52a3d17d0e5e61683b1df50b657a53288b3c15b26e7d0278

  • SSDEEP

    98304:yvxBmvCDLOk4jtVTQn4+0BGOae3x2sGwd9:OmvsAtVTZxaeT9

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://193.3.19.40

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.akiaxxnhe.bzchpiytj
    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:4255
    • /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.akiaxxnhe.bzchpiytj/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.akiaxxnhe.bzchpiytj/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4291

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.akiaxxnhe.bzchpiytj/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    96a809a32a67dc36574631048af5d17a

    SHA1

    cec7b24b55e656ca02ed0359fd3926d7314d69c8

    SHA256

    543720e547789ceefa105fdcf4c5e88eb6aa541a74498ed2269b10fd97f2b077

    SHA512

    7c5cba3ff99cea44e4c41684635eda306721c562aab93f17cb7f06f760c127c9bad2929207785c1cafdb8b09925c1676b4c6c079481a9e354ab25525eac6b69f

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/cache/classes.dex
    Filesize

    1.0MB

    MD5

    cb56327b92884088fe5b94321882df40

    SHA1

    17418e9c5ae3df081bd7722b45522140d0ee5acd

    SHA256

    00c1c1f88882dd600d987809b4091d90cb794b3a02d970c5a6b988f214383897

    SHA512

    775bb59a1b5d3577f7d2ee06ea3601e09c7dedb0fe43a19240a882f22dc92fc45a68debd3e1d7407299ebbe69759f346a6458ff4da41e8f7b807e13b0f602c29

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/cache/classes.zip
    Filesize

    1.0MB

    MD5

    a5bb778fb91a0d9f27152e1c7381d888

    SHA1

    df3dfb799bd8ae510c92156465035f7b6011c0bb

    SHA256

    0d19a33768319f4da135af57504b930c41a080b50956dd7f2b103c11c6e55604

    SHA512

    bcb97ab0c4abaef459e44d20a5091c554706d278742c24218e03c5baabd9adc6a3f659d114b66cbaa4043e2a76abf526ea530ee43030a09ce90f6f222bdca474

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    872f6b2e2a05d0f72c420929d664aa8b

    SHA1

    051a1b58165231665d269e35258a03b20f703dad

    SHA256

    f77a0cfbb39ba0bdb24f3c0534dc7dc0c6ff768de2b5728b8258c77108fc09bb

    SHA512

    766571bdcb079e522af1c6644158b899ec4dc2fe391e9af1491b101b57bc5f0031d0b3a8c22b592771c0faa6e2089a8b7fdddaf396c40daa64d191b14ff01e04

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    1c35fa78a5024869aacdec5df23810ef

    SHA1

    81fa08374ba8cc91739d9d33efbdf42b6ff3665b

    SHA256

    bcf5f052cf54e641a57f393bc2fab8b1c595708d2f305cf6a26ad18927ad35fe

    SHA512

    fbf813927a20696cac87f3c14e585a5bf80fea9fdd5cc507f726350ce01d55a128ff6391ee5f27722ecfb4c44cfe96a0819e37bc6eae67a2a188ec80cfd97313

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    5a7238cee19c2b28ca204a493062e4a3

    SHA1

    31b5cc47dbd87bfb65a84593806a9d5cc97620b9

    SHA256

    18bc06d0f946a7787c3473c3b3493503c509e4cb02cb0fac2eac50bb7339083d

    SHA512

    8291215fa6d1de69ee69997016fa85c5d05e8019cfe7506e5bfa8dc6ccf1eb3d3d55d74f38ea4aee52c57d09d70f901d00ddd62e3f6d864cdac72b9ac89a0a48

    Download Submit

  • /data/data/com.akiaxxnhe.bzchpiytj/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    9904e61ccbdce89af4bcc2b28d53c907

    SHA1

    d500256ada8ed86f8bf788848bfd20d5305dee45

    SHA256

    0bdfb6d2d999baf216c8bd9cf72309917d93c881f417686de0d37e9b80b56454

    SHA512

    28f0367e7c0f1cc88473a89733a93b8096509c14a3d7152337a3e1dbdb4a4bfee3c238943b120b2e0c8bd546881c07c2da33da19bb30cc222f19b2696251e7c0

    Download Submit

  • /data/user/0/com.akiaxxnhe.bzchpiytj/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    8cbc5abd4fe0ba084c35f86a5ce6c46c

    SHA1

    1545783279543d44ba991d7427df3e18473026f8

    SHA256

    54179dca07d675d7b00d52a68d9601164810dd48c0d9009a830a4f476af08e99

    SHA512

    920bc9655c614a95004abfc08a58a1ac4b9e1789b9cc759bc0cff302bdcd24f6c38dac3efa723224875945449f7840bd00bfde5852ec27f1e2d17e56e6cf76aa

    Download Submit