Overview

overview

10

Static

static

6

2230b07509...90.apk

android-9-x86

10

2230b07509...90.apk

android-10-x64

10

2230b07509...90.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    27-01-2025 22:01

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General

  • Target

    2230b07509c83a77e68f9372b45ec15babca356adaaca685453a611961570990.apk

  • Size

    3.4MB

  • MD5

    1809ee1fb25caddb137ff598d2806899

  • SHA1

    5fd4e75ebd937da2084a32f66d928a69491fb632

  • SHA256

    2230b07509c83a77e68f9372b45ec15babca356adaaca685453a611961570990

  • SHA512

    b750bc1e8caa370f572171e79e13b54dd89732dc97881705ab5f524ec6a3ad32226ba36987bb03001d2f8482e97e17f21a2b08810f9eb96e8f58db8087c6151a

  • SSDEEP

    98304:8pqvVbCHubZtW/s8nH7uRCa4+w1fzgiue7m8e2iF9cM:DbxtmyK5fzgiiN4M

Score
10/10
hookcollectioncredential_accessdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://154.216.17.69

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 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 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.fcldkxzxd.ujzezjrld
    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:4391
    • /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.fcldkxzxd.ujzezjrld/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fcldkxzxd.ujzezjrld/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4415

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

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Downloads

  • /data/data/com.fcldkxzxd.ujzezjrld/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    3b6bd8b263a3596c92ea5e0100ddb282

    SHA1

    1adec583d29442dc21e696b92e5daa2c5afb89b8

    SHA256

    9afb0000c924ed1efc853ac3640fc22c50bad711d9c498696ddf042a4b75bcab

    SHA512

    c1c3aaea9e23891e7d73e76d07d7f0aa0b790247eea710ee8cc02acd82758240ec7d9474d29910b8a47ae3bb0c32e27cad05732bf76e1c3de17a2a0e6ad45e72

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/cache/classes.dex
    Filesize

    1.0MB

    MD5

    e61b1a3e1b60614abac1524192858b32

    SHA1

    bae80815cfcaf6d2c9336ae63ce075a3af2dd76e

    SHA256

    fa5271dfef3bdd4fed6e694e994849fff56144ce4ef390439c870639cad98d51

    SHA512

    fac2e68bbebe19352fabc76d1fbc318f6bf2bec5b3bdad25fe7ebb78cd8d4684d4364bcdbc245851817900d2e95a73d85069881bc1f18c1b273668bddaed428a

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/cache/classes.zip
    Filesize

    1.0MB

    MD5

    88718e6e42d2c367f20b4da97bd2ccc5

    SHA1

    5cd4166a512d76a73d948517339718bea85b44c9

    SHA256

    e4320f207d87e59b80581ab034361f8f71953ac216adb732743e0df1e278a005

    SHA512

    5e8ec1cdd1e7fe820e1cadb7b08e19697a0b787088bf5d50d8c9d3c5a2eb3dab81717aac97510824f56997b0bc75e0665fc0e7b970af861fab68d480d539e455

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    c7d7a30d4065420c3d7b93d153cfa9a3

    SHA1

    1bc772c9cb6a9b3a3ff27ee46b4dd771764678b0

    SHA256

    394d9e20984c6678feb068051cbd9309030a18d590669b6e642f42a851208186

    SHA512

    697f2286bbf1dc571f5caaa70eece4529f28a84edfd2b00fc447cfe2747b216312e1196bde369ad06c9adff6d96cdbd18ca28bb4c06f9b084f31dc2a2a668c3d

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    72b62fa553e1238bcd6d1b1a460dd702

    SHA1

    9aa387ed65a06f73177c531c0b204615ea389752

    SHA256

    07d9dc8dfa64f0dad5617ea53838bf99a883d9983ae5931fa1d80ccab5cad56f

    SHA512

    29eae253ed7419b108e2fcfe80d9f50184432a7ae3382d3937a32470ccd6610e366da2da495550f8d65c6742e8a375142b114d16fc392620e0200109867ff3dd

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    4c653d21a8a4f66aca4b17db4cdbf9d0

    SHA1

    49e70bae81f2aeb0d2313076078c36b6fa8248e1

    SHA256

    53b2998163fdef9b6785bbdf850d1f23692161cf91caeed99cccc2770acb2a5c

    SHA512

    9433a3d70b6fdcfa8c1426dc015d3a4b9dc486c54c4306d54a2f687b03fd85631e4710959c3fde0aa736d7d67b599748809888a2dcd6da07a380bedd10051071

    Download Submit

  • /data/data/com.fcldkxzxd.ujzezjrld/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    6650d1b058793f304e08133e83b29dd4

    SHA1

    09ba2ee5e2ad0d36586e36fb74d397450b1c0574

    SHA256

    98bf3c04a128d8d10ef6699ec1e5a5ef6e1c76e719fc5a540a2295e9748c39cc

    SHA512

    ee1e7334ee9f855b570622a5e8486e8f2cfab4ddf421ea4b8ef0019edcbf814fb1bca2c7208f2277078c2414b4cdebe55ae611413e38ef1227ecaa92540afe05

    Download Submit

  • /data/user/0/com.fcldkxzxd.ujzezjrld/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    633dbc3121d5892834d9d6ea4b8167bb

    SHA1

    267bb85e999a9f51dcc2c7d2ad0de0244472d055

    SHA256

    9121ec45419131508bf6fdb9150d6e864c29ff76d6450f8967711ac9edae317c

    SHA512

    048f7a11b31b5124fa9ecec11a1be3d2bc3a5995a8f50024d68bc6b6866af1a1c47882ed6f000d7bf4a1e3bd18ee242f9a7d1f0abd8c1d6bcf94c87dde2229f0

    Download Submit