Overview

overview

10

Static

static

10

dbf02d045d...b7.apk

android-9-x86

10

dbf02d045d...b7.apk

android-10-x64

10

dbf02d045d...b7.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    155s
  • 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
    06-02-2025 22:00

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General

  • Target

    dbf02d045d26df0f8c2b8b33975dd39776ec5acbccf656de4db88a1f300b1eb7.apk

  • Size

    1.1MB

  • MD5

    e09784c2e950d49e17f4cabb89f84697

  • SHA1

    77439095c51995576586d1decfb0f83a85751c3c

  • SHA256

    dbf02d045d26df0f8c2b8b33975dd39776ec5acbccf656de4db88a1f300b1eb7

  • SHA512

    af4dec9f7d056015c2194dd9e7926f142bda8a934169961b95b54c5753e31ea3b1b14df74b4cb1167f88d6cfc2dd9208b1c97fba58e11476bd00aeb9afa139a8

  • SSDEEP

    24576:Cg/DwSwIlM3rKgBx8DIHHKlwzO388gCc+am/SSMlNc44c0:Cg/5wIg7H3KlwzO38NxpmqzlC4W

Score
10/10
hookcollectioncredential_accessdefense_evasiondiscoveryexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://5.175.237.86

AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Hook family
    hook
  • 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
  • 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.KJsnbYZEFdsl.NYLcUfHtvofn
    1⤵
    • 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
    • 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:4229

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

Foreground Persistence

1
T1541

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.KJsnbYZEFdsl.NYLcUfHtvofn/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.KJsnbYZEFdsl.NYLcUfHtvofn/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    5bc91cafd318bda4fa750ad7e239c69f

    SHA1

    58928157416cbed670cfa0dfe4f9c4f0578eb0a8

    SHA256

    b440f893a0acd5916e452c7d7d6c32006d80e13ef2ca0078e3998d60dd830708

    SHA512

    3591f1791bbe69e947685c64711a7d715919714d343b0f96af994f728e4e05acb110e7bdc8c21a82b0a66f69f0e4dcaca8e24027161d0aea4ccff009ba5dcb78

    Download Submit

  • /data/data/com.KJsnbYZEFdsl.NYLcUfHtvofn/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.KJsnbYZEFdsl.NYLcUfHtvofn/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    21c9dd3b86cce9758b68c9eadb00435b

    SHA1

    a087453602cbe5900b3c1a0dbd4837d91297753f

    SHA256

    2b8d69124d010921af4809102e85feca7535705ec0ce6c254cb0f3207f092ffb

    SHA512

    a06602ef79cf9525fe199f2364bbfb561225e1b5e9fea522da4c48fd2842fbab12c91af12d3313c386e13522ed3479e72119f776d194d9f6d313f9f71b6c6f45

    Download Submit

  • /data/data/com.KJsnbYZEFdsl.NYLcUfHtvofn/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    bee796409552b088765a297f66805680

    SHA1

    84f49836f9251f1447b81fa9cd1a45d6721acb54

    SHA256

    b1d31ee3a8151878cfc8b3e0494b283ce9baf44683411c81374f4a6a5cad1f62

    SHA512

    65de85901d6a99e2474484aada1c909aae73fc64dd152df480fa4499046eb10cd248d639e26a6691b2da7f447c0c1223cd0c88d72a49ff99f071287ac738a6ad

    Download Submit

  • /data/data/com.KJsnbYZEFdsl.NYLcUfHtvofn/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    7300020020313d8a9e66977c18920b53

    SHA1

    5bd202be798781222951cadc358a6c6bcfae8a74

    SHA256

    065cb6856ec9b7c1088ef649942297afc3d3f97d4e6b81c4f5a3bf5aee06337b

    SHA512

    efd62077899b31f5e358a1365f7e13aacdedeef78fab1b535395a1e6cbcc6dc8171d3327ecb7393f118657fee70b0a19c2f2a5eee8e2376d26a6c8f293bd4053

    Download Submit