Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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
    30-08-2024 22:01

General

  • Target

    29cf9488221b4edade217506a24f25416fb733d2c94253794dd229201f1606b3.apk

  • Size

    3.5MB

  • MD5

    969c79d9b09aa04c0706424e9acdbd43

  • SHA1

    33e57e48627b809ac72e68f24c887eae76598aee

  • SHA256

    29cf9488221b4edade217506a24f25416fb733d2c94253794dd229201f1606b3

  • SHA512

    c9405a2e9d27cb6b3be84c90c9cd42ce0f4dc40dadc6e3b06c61107e6c6def1417ed80e063b13b74c17bb35db6e50981b84d61528b603fc7ad1f685a56d24b2d

  • SSDEEP

    98304:QcpoF18JJqojIol/5aIkORGLkRIL5MDmQGD3ju2:Qcpo38JEojXzaAJIL2DCh

Malware Config

Extracted

Family

hook

C2

http://91.92.242.15:3434

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 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • 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:4237

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

    0d0aabe90499d8ea3ce853489ae55dd8

    SHA1

    8e42e564db2f6af3cdc1d99586ac238a8cd42c58

    SHA256

    6bd951add96d4321d079c16854bacd91bb1b65aad7fad7b6537b48eb5720a500

    SHA512

    43b028c85432d76c2e03f57508b817197dab43c3dec0c53f0da4cd6062e96dd6fc64d5abee99c6dcab7681c61055245e57f027a5fd6c2c1789c7d28a7fd2725f

  • /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

    492c0075fc59d9f33ffa497127e55566

    SHA1

    d739f12bc442922cac920fa9967e2def6aa994e7

    SHA256

    4944df44f0662958a6f08c65ebd89c25c9b2a9b0511568f13ac5dab4884492a2

    SHA512

    5a6b38b00c0f4391b6c2f286085895358d40c42263e1c252982bda280351c3c1b6e1ef0481eb2a1249adfabad7af3b804d5851a9b210133e5138cf91635eae2e

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

    Filesize

    108KB

    MD5

    991140cd08c56e3583481c5b2e77d618

    SHA1

    172069005b7e1028598bfe4d0466569d82291643

    SHA256

    b2cfc9fa4fa3993bdb13d017eaf5ac2d7bd6478f378ff0dae7b5820cc9c2d349

    SHA512

    45b3fa2dad546016b7255215793ede89467da445c7178f62172cda8c449244769bb71c02e1301babca814b3918f3c85f9ab240c4e5fd6b5324096b33d1bbc7cc

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

    Filesize

    173KB

    MD5

    955c88b8154a429057ed491d82006c45

    SHA1

    32e58dec7824c94bb9027fdc0e4d908a2d160179

    SHA256

    796662c2a96e2c148712187d2a017bcb080b3a55180e710a8b7c4bc70b8fdc58

    SHA512

    3cd5867ec21e1e8e00d240a9fe64727e0fea399f76a3a33fd6aac6377bc26a73fe373b3f7009e71889711c6d86dc1f671060941ec319c4b0b13bc6d88c3cf9c6