Analysis

  • max time kernel
    132s
  • max time network
    143s
  • 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
    05-10-2024 22:04

General

  • Target

    417a2bc9975c4c184402c6872c9978ab8a6c3c984e91bb6cbc042a0b2f0907f2.apk

  • Size

    2.8MB

  • MD5

    26d523c39669cc4e662d0a13e4f470cb

  • SHA1

    4f1d247b19ee92cf177ff3a348b56dd74890d4ee

  • SHA256

    417a2bc9975c4c184402c6872c9978ab8a6c3c984e91bb6cbc042a0b2f0907f2

  • SHA512

    1be76b024c796d11c6302af03aa9d07f0ca896ffb2deb4d518240f20c17ea828774c541573c6e3ae56ab86430e5ea0d5590a5f774365ed1b6b27068faa95f3aa

  • SSDEEP

    49152:uOEfL+03bbYxvXQorgrONkfFZmklGW+w8RD2YzCLO5iQuXv3g//J:V+L+03bbYxvQorgrONkfzmklG7RBmQum

Malware Config

Extracted

Family

hook

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 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • 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.tencent.mm
    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:4246

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    3c875791bff9aadfd422af7f37e1559e

    SHA1

    4294c76dd7c7e3dbcacae52ee908459f855b1364

    SHA256

    5a95193aa4bb0a3b726e35f7ce0edeff3d7986b8055af05f5312eb9ee24f67ed

    SHA512

    7cf536bd39e9044f96bdc81b4794e27c282ec5ff3810eae80f955d34ebec2be871ce180f0fe1a5824fb654f014fe9f7e54292eeedfc550d393f272be48892dbb

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    0f9f99fa1774878053fb3c2e0100042e

    SHA1

    352b4b0aded56ee00aca8c13e52396ddc56c909d

    SHA256

    50b48669c6a9f131476223a9434b5341401cca275390bf4e9e8648ded3c610d5

    SHA512

    f9473b20afe3f156627528ec160b73704ae7eceb780b0aac6d750f52df38f12b27803c7cd95faf720ee7e4a67dfe520d17e41e53f548fa661f6dc5720a8dfc93

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    a56fb22bc83e8de124b488f7375fe581

    SHA1

    2b17c2535caaa36ae07869eb21e88bd8ba5e2e98

    SHA256

    67e9049ccd050b67e3955d7f8c1367bd9657ba8bd34ec174a1aeb267a4badbdc

    SHA512

    715326623efd458ac371286a1e181bcd017b5952f6b9c01a7fdd09e3f14ab960874a7cfb8fb0508acfaa9757909825ef89322697b2be8b883f5cfb540785f118

  • /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    fb68f39dc6620fd7083444924db28fdb

    SHA1

    3457f5031706b7c330826247de1640355a88b5a2

    SHA256

    a1f1cb6e639f71b3523ab81b50e36f035c5d3f608bdacc7a9f675cc34ec75846

    SHA512

    b8de183316ff160e3d0aa7928822dfe0afee3f71d963f47d1625c49b2fa3cdb7a80b341c7e7efef82e2824d5a9616f3241e2cae4a839c40dcc1b5f2bbe03910c