Analysis

  • max time kernel
    178s
  • max time network
    183s
  • 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
    19-05-2024 01:11

General

  • Target

    326bae40845ecc9f7b6b5ae516906efef331960ecb76433debfac1690c29699e.apk

  • Size

    1.1MB

  • MD5

    4845a6d28d60044a50d6bd32cf015fdc

  • SHA1

    c0dd4408017dc1b661abafb27171c23d5f9a2ffa

  • SHA256

    326bae40845ecc9f7b6b5ae516906efef331960ecb76433debfac1690c29699e

  • SHA512

    44165efd87985d42fdf14fc8c81df04605dc4228159b5e68cd040e59c3180eaf18fd6da11ef3830f1523d351d9594ba0b6d9282ebcde81b6ab84ae81a3b4b9b7

  • SSDEEP

    24576:fGN2Z2u9tt/EvTVNIM49BJEs1vV/ojyx3g/lnXa:eN0h3tMvTl4PuK/Xx3g/Ra

Malware Config

Extracted

Family

hook

C2

http://89.116.27.45:3434

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.

  • Prevents application removal 1 TTPs 1 IoCs

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

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Removes its main activity from the application launcher 1 TTPs 4 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 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 mobile country code (MCC) 1 TTPs 1 IoCs
  • 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
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 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

Processes

  • com.tencent.mm
    1⤵
    • Makes use of the framework's Accessibility service
    • Prevents application removal
    • Removes its main activity from the application launcher
    • 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
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Requests enabling of the accessibility settings.
    • Acquires the wake lock
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4291

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

    7825b79b448a3048ca2aad3f22ea881b

    SHA1

    f8eeefeaa7e0670255fb8f0145c3ed240c2ba7c8

    SHA256

    fc06a29424b47b9ea41a7c1af7ac5b7358b7600d8ed9a3fef9b8655819251ec2

    SHA512

    db9d39e8d6f4c92e544a5dd485ae7caaeb7cc976e90cde8448d89b0fbc3a0e8bc251d7059b93ce9d0bdc096bab00a6f45a246b846abb903ad9d197d066444758

  • /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

    d9c3bacd5f18093f67fc6d901239d592

    SHA1

    4a9e2b5fc5f7747f02953a33af91ec95482c88b4

    SHA256

    3d4217cbd0100695790af592ed5cb088d1d4700296e895ed045fbe114d7ecb5a

    SHA512

    3a75a09e0ff8c2d5d8b0994e46c1d0809896c304cabd004d4bf898fd6b374cfc75cc6ed0a96a868623e5c412cb4b380b459e6b4a65162d7b55f3010d9cb1c29b

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

    Filesize

    108KB

    MD5

    66d5f7b3488b22f205bdb725ebd70874

    SHA1

    db3695d3174ea50e91efa7a7c3f3baf11d13bb93

    SHA256

    9a8cda7e7895c92e592fea29f1686cc5ef62d4851bd5d0e158b1d1feebdbc571

    SHA512

    64e5daf927f1e55807fa44414627afad0f9c28bd20087fe744b0dafb07249b0b62a91a3aa72a7463dc94600b84c0e7c05381ef19d5f805417187896764dcd028

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

    Filesize

    173KB

    MD5

    7e11f5f2a26df3e165648404e56ba551

    SHA1

    3dabe879e66f2447a0e531108bfa91dd4cc5a4a6

    SHA256

    4897f65570731d4d0c0bb82aebbcddc50018192485f585455721bb3bd38cc46d

    SHA512

    2176f5d5479a0758e4faae4803aa4e6558fb5845c736378a2ec0f56920880eb67ec698e0bc68012fb3d5f62d27f52af34ea9fce7eb398273b097c5209e4b26ef