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Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    06/02/2025, 22:00

General

  • Target

    dbf02d045d26df0f8c2b8b33975dd39776ec5acbccf656de4db88a1f300b1eb7.apk

  • Size

    1.1MB

  • MD5

    e09784c2e950d49e17f4cabb89f84697

  • SHA1

    77439095c51995576586d1decfb0f83a85751c3c

  • SHA256

    dbf02d045d26df0f8c2b8b33975dd39776ec5acbccf656de4db88a1f300b1eb7

  • SHA512

    af4dec9f7d056015c2194dd9e7926f142bda8a934169961b95b54c5753e31ea3b1b14df74b4cb1167f88d6cfc2dd9208b1c97fba58e11476bd00aeb9afa139a8

  • SSDEEP

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

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.

  • Hook family
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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.

  • 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.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • 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.

  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • 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
    • Obtains sensitive information copied to the device clipboard
    • 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:4938

Network

MITRE ATT&CK Mobile v15

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

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

    Filesize

    512B

    MD5

    df150d5e5bb98777daf2358c17268280

    SHA1

    427adcd351bea691aa304ace9ecf99b5a6b8965f

    SHA256

    eaaabe67e84c54c39a591742c1a8a26d22196893723f2c5c8db58e50d3684b64

    SHA512

    94b4f6d795185443d5ab18bff537d2104461a2c91e087be4b783e1451c2d670209866596e235febd17c62ac5972d55987f64188bf0313c81eabef489d2adfd12

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

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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

    Filesize

    16KB

    MD5

    a501b19521d282e9e42f9b14117d82d3

    SHA1

    5af3b9fdbb3b0dc6744bf486523e181913461a1f

    SHA256

    d6fd002b3a491e11d047b8743f49d0b3cc4a960128207c34d4872153e880197f

    SHA512

    e9e1972dacd425a07dda647bc137ac219c19f55e6d3ed4c09ae495cc2301c9b67ba31c4894c39b8b85a56c4a9d6df1a2c3da84cd1d29715482e81bc73649aeca

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

    Filesize

    108KB

    MD5

    5632e4b4da1b37117e6ce09d93f34eee

    SHA1

    b161b63ffcbc0c0e7dd0bdbf27deb464d19def3b

    SHA256

    6ffec0fd3e4f8501b176455f7b1fd655159b4e6bffa05f6c43f8137714f45f39

    SHA512

    945ab8ad061c1989bd051d51068659f424fe78f68c75aee957dc14488ad7cffc59ed7b91b96b44afd91474210af197135dbc0440a8f6b629269fcd48d3f85d0c

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

    Filesize

    173KB

    MD5

    1d44da393f609bdd568e3ca2aef6ed65

    SHA1

    341bb6b8ebebc2b37ce3d721f11450a643b734fa

    SHA256

    3385ffeed8fe40dace74f24c2cefdc37597464fb7d571fe90673a3785fb4ff40

    SHA512

    c7e168f192eecc1cfe30c73c5008e9bde3f4adbc1d12a1856053bbb448ab9dd3c8ed59c54d8e6efd1bc13bb54126b1ef616cf1a45039fdf1cd37d085638e3a44