Analysis

  • max time kernel
    39s
  • max time network
    186s
  • platform
    android_x86
  • resource
    android-x86-arm-20240514-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240514-enlocale:en-usos:android-9-x86system
  • submitted
    23-05-2024 22:04

General

  • Target

    923bc65bf07815b0b2723ab6cde35887c61d665baf6618ce4e1dacd6345669ad.apk

  • Size

    2.8MB

  • MD5

    899022727c1eed901d9e847a44f017a0

  • SHA1

    27231e81607121522405a98dca3c4efe013d6282

  • SHA256

    923bc65bf07815b0b2723ab6cde35887c61d665baf6618ce4e1dacd6345669ad

  • SHA512

    9f3b4b6eb7690c2b688b138d3301f13d320b45832013df366b1743e3b722bd8a42e2746ed4d43e028de0df92f7eca3fce55a970102dbb25431ad67f5ff2796cd

  • SSDEEP

    49152:1KYIc3gRcXBxxytSOLAQniVL5TC1/cGypQqgg9TKAzwXhcHh8xngteZQpy/XyNgl:41xRCNnmFadTC10G4QWiXhWiKtyxXYk

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.

  • Prevents application removal 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to prevent removal.

  • 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 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 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 phone number (MSISDN for GSM devices) 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Requests enabling of the accessibility settings. 1 IoCs
  • Acquires the wake lock 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • 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

Processes

  • com.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service
    • Prevents application removal
    • Makes use of the framework's foreground persistence service
    • Queries information about running processes on the device
    • Queries information about the current Wi-Fi connection
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Requests enabling of the accessibility settings.
    • Acquires the wake lock
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4284

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

    e1ebddb4d469bbfa264774c935cf639e

    SHA1

    71deb4df5593df8041468b9d2ed041e3957fe1a7

    SHA256

    5a183fb10ae3a9f9f4e348f8eec49552deb0e7b4232b9c1996a684852ed2ed0d

    SHA512

    800e93bf8fec33eda4ec1781deecfd7d113e904b44c3e7ed3852ecdd64232ae01fd02aabf3044f6e2c76ce62fbb4ffb0229e73f9353e7f3cb7f6f19eacd5f8f7

  • /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

    f99115cb6dd9c92a119dc53b6d728e78

    SHA1

    279ee1bf9130cc72429e7eee099dd8ebe3f63da2

    SHA256

    a85d48db1f46dded562935c3f25b1bc2892dc28da5e20eb472e640c827a21033

    SHA512

    bcc35f59441d4887bf8ff3dec11ffc44295f4a30c92e16fa827ca2efd8d7d0b2f7d1e67c5616ccc1f0b8d1554ad585e8808db7b9f3c74d0fff26936fbb36da40

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

    Filesize

    108KB

    MD5

    16bfdb72f3399db29a468b2c328f191c

    SHA1

    ac8ec152de11043dd3d69120cc258de25506679e

    SHA256

    7a9faf239943d91b5c4a4a79a8de16fc909d1f0ae34929a4f320f5132ecfc4e9

    SHA512

    a19bc6f2c6a7a48404b628a1bf737224e6681751e1afe8419ae9f6b313867ca5fc85ff9bb3f243aefbe434c31e482e02210a603e7007d8f7f3474d4558a43255

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

    Filesize

    173KB

    MD5

    561567bec77e92154d4f9a7821d65b9f

    SHA1

    d677f82e2a7ed9bd354ea129b6534b802607ad9e

    SHA256

    619fd877e2a61e76a3ad2ee530d73c39082ddbfcae2734f1764e25c220019b68

    SHA512

    7f3547703e287083d9f065943adb8c2c44569525c945fd78f7777d6f18cc90281b38345ebb102f8469abe207cb56f1b4486f2412df543be65e93ef3f4eb4ee53