Overview

overview

10

Static

static

6

c285378211...74.apk

android-9-x86

10

c285378211...74.apk

android-10-x64

10

c285378211...74.apk

android-11-x64

10

Analysis

  • max time kernel
    179s
  • max time network
    186s
  • 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
    07-08-2024 02:06

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General

  • Target

    c285378211e69f0c60c781125246f92357243d1f2832c03234255dc2a90a9674.apk

  • Size

    4.2MB

  • MD5

    769bb3dc0e0193adba7d0133e877503e

  • SHA1

    88f8774ffb21c8a1eaa43c1177135884ef05f480

  • SHA256

    c285378211e69f0c60c781125246f92357243d1f2832c03234255dc2a90a9674

  • SHA512

    ef011077f49da14eddbef99089af91caf81dd5302c1ae54c820ae87726b8df50dece6bbadac2d053f09ba3f8b918955669550d6ce407a105d800a639e4887513

  • SSDEEP

    98304:mI/Jtgrndt42QTzEndzkX+NW4/e5mwI04KDKk93n:mI/JbzEdzp4Ae5nFDKuX

Score
10/10
hookcollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://85.28.47.32

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 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.tfzqlvjkh.awqzhedco
    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:4261
    • /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.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tfzqlvjkh.awqzhedco/app_app_dex/oat/x86/reeifxl.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4290

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

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

Loading Replay Monitor...

Downloads

  • /data/data/com.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij
    Filesize

    2.9MB

    MD5

    0b63ef48dcecdddc31ecbb43c0963e4e

    SHA1

    1b52828068bf5db80fdf53228005632398644504

    SHA256

    c08a049540a35306b4108b78201eb77b1b47f0c51f7bbb602365f6827dbe2538

    SHA512

    82ba3df2c47f0205a3c1f6910cfe669a283b036d5a003518c6a98c873ded230cda188905b6be47638548d71108eb0132088c8d9c46a15020c8b6d052aac0ab9f

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    04e59edf2db4a7591e7efc90e6dae165

    SHA1

    cc1400d2fd5a415db1534f50721b1c5daaad80c8

    SHA256

    5cac968931291b9ee637a93a0e4fedc0960a93c553fc1630153c81cb9f51c58a

    SHA512

    8a0a51136b8401ff5efad6d2df9f2737a9f11297b55b95b977568ccf75d36a75ce1fcf2f4a14117605ee4dfc8839f5aa536a3c69b87f45c97cf92cee14981dad

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    e9b2ec0a5d0a2bb85ff78b435f677f6f

    SHA1

    eb10bef916a7048144d1ca22b612292c06854a0d

    SHA256

    4750566f1583a716e55a9c6789b42a7bec56aa8d85e857fb4fe7964cfbc918ea

    SHA512

    7ab76129658bf137bf3af4ff096d4442913c44afc4b535cd5f8cd8d16186d1d9a0980e6acc97c834e4579d6c9cd2bf8a01aceb961190c2b25b9c783713071372

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    4076d463101bb697557e439951c21bf3

    SHA1

    3f5066619d5c30f99ca45964755d80c9697108aa

    SHA256

    bb1f9bb01225f529028311d2c93448fe5b70c15eda65b983f81ff8558774cbf1

    SHA512

    1e14d27835e668afc711acae61ab22b697b2ac79d3265e3f1d3835c69a6891fc15039295b5626b3f91c8c9741ff5804e1fee03c4940fdc8a39f563b8d6bd10ef

    Download Submit

  • /data/data/com.tfzqlvjkh.awqzhedco/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    bc5161237607b95a79b275204d57746a

    SHA1

    065a1cb82105d01f54f9d3c4111db259d5f297c0

    SHA256

    4c271c0cc92e1734d27a983f993c9950cb45bec88d2897428d40c8ae461fa4d2

    SHA512

    bde1683cea23867d16fe70df9168a853a74b0d8dba706ce2a2b71eb1fa205ed10dbb9404806e4ffd0c2d79530f7605b63c404dd91d05ee25fc14a32970e5f952

    Download Submit

  • /data/user/0/com.tfzqlvjkh.awqzhedco/app_app_dex/reeifxl.mij
    Filesize

    2.9MB

    MD5

    79eb9e0ca8080d66964055634ec335b3

    SHA1

    65a3b704df773a94ab41fe4923710bb6ca3b13cf

    SHA256

    63ff8209ffe0b88458caf246a230932d3102a0dab17517aeed72e9675f8be14f

    SHA512

    5575d460e72401686dea56e88d3fdda6a740188c01694b28686b8292f6b5af309c12894342ac4fcfcb2ded09a442851e51f6b74727005eb6a136ac34adfc9c61

    Download Submit