Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    android_x86
  • resource
    android-x86-arm-20231215-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20231215-enlocale:en-usos:android-9-x86system
  • submitted
    20-01-2024 22:02

General

  • Target

    98ec0c587100d35500cf64dbea79054417477522438e55ab2949ce079d6278c9.apk

  • Size

    1.1MB

  • MD5

    d2ceaa255c3c2684d843e3d8e25de89d

  • SHA1

    f65a3cf7fe2c80d9727f72b7a32efe6dc9352066

  • SHA256

    98ec0c587100d35500cf64dbea79054417477522438e55ab2949ce079d6278c9

  • SHA512

    47aba42179b3a9eb161414783fd36ab96a649f2e19b44a0bdd1e34510233a4725f95c854715e5b0b2e3b19be17156f5952000d2d3f33be62a4671d913ba831ff

  • SSDEEP

    24576:5/9BNPqJQT/JSuC+0SvxQnTgyZmeSuoj4Tkg/88H7:7qJQT/JSulZSkWlTkg/t7

Malware Config

Extracted

Family

hook

C2

http://172.16.39.137:3434

AES_key

Signatures

  • Hook

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

  • Makes use of the framework's Accessibility service 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator.
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.yumafudibavufu.nuxu
    1⤵
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4249

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.yumafudibavufu.nuxu/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.yumafudibavufu.nuxu/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    efa10c372528332abe36ed4d7688664a

    SHA1

    eb622b6cf0644e3634329fc075c9d707e61b6119

    SHA256

    1b3dd7ee7d8365cc9cd57dcf8db344ae45b276bf03781e44e7ae1594756686bb

    SHA512

    a3be240265b17a4a84b4e875fa66dcbf444041d678e741c3efe766bc81a1b52310c028d8b640f879f9c44f7ef44dc55a0ea66cb5898e40fe58712069b48bc4b4

  • /data/data/com.yumafudibavufu.nuxu/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    e78c53a21133f7b7cfd70ee0d100e04d

    SHA1

    61f0de90118b9213c88a8893e66e5ff73f89ee24

    SHA256

    2a5aebf9c74c6841e946f87c3e644fcb6534ff85912ea856fc8d8ed17c577261

    SHA512

    3df78d1d83d38ae6960772dfdd830a4b9b9f75366a0e81039a27951588bc12bc16f29a79c2eaf295f507a759f1ada3ca10aa958fe630a24eafcccf490a0762ef

  • /data/data/com.yumafudibavufu.nuxu/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    3d2b06764926cd3448cf9d825cb75a7a

    SHA1

    9465e19bf1d6e26ec2b7d35af280788e66631052

    SHA256

    d9b44d47996325828f2fbdccc584bd02ebe9e9b9da2471753b5fb35837f2e0e6

    SHA512

    fa408d5267f80d59a1e290da5a8dfffbb69932a964c6282a84cad64d34830d964a81c2416c76adee8413c978490aa7c19ac5a5816a7d0200ac68f1f1b9157c22