Analysis

  • max time kernel
    178s
  • max time network
    185s
  • platform
    android_x64
  • resource
    android-x64-20240514-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240514-enlocale:en-usos:android-10-x64system
  • submitted
    19/05/2024, 01:11

General

  • Target
    326bae40845ecc9f7b6b5ae516906efef331960ecb76433debfac1690c29699e.apk
  • Size 1.1MB
  • Sample240519-bkd7naaf24
  • SHA256 326bae40845ecc9f7b6b5ae516906efef331960ecb76433debfac1690c29699e
  • MD5 SHA1 SHA512 SSDEEP

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 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 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
  • 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
    • 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)
    • Acquires the wake lock
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:5140

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        androidx.work.workdb

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 6b39f8e21c5a95c4bb1d1fc40e066eb3dff35795d7afa52bdf71404fccf05c15
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-shm
        • Size 32KB
        • SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 323f8d831ce0c2234d7ee4523853f8cd8f79cef482360c484526d6b54b5a1f84
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 6c2e137364bbe640ebe19e28caead673f165efe10be54b46f69a66eefb71c744
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.tencent.mm/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 1951757765604937d668944d81c2b89afa09fffbe0a39e652af5aecc7a37fdb4
        • MD5 SHA1 SHA512 SSDEEP