Analysis

  • max time kernel
    149s
  • max time network
    132s
  • 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
    11/01/2025, 04:57

General

  • Target
    bba4e2c4bcd19f4174421de1b8df665133725867a3f151e756570e9a6bed811b.apk
  • Size 4.8MB
  • Sample250111-flmmmsxpck
  • SHA256 bba4e2c4bcd19f4174421de1b8df665133725867a3f151e756570e9a6bed811b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://lankfnajasdfzcvvxzxcrrtfas.pro; http://lankfnajasdfasdfcxcescgt.pro; http://lankfnajasdfdsfngaaslsss.pro; http://lankfnajasdfanbabwqeda.pro; http://lankfnajasdfasnbadsfaaa.pro

  • http://lankfnajasdfzcvvxzxcrrtfas.pro

  • http://lankfnajasdfasdfcxcescgt.pro

  • http://lankfnajasdfdsfngaaslsss.pro

  • http://lankfnajasdfanbabwqeda.pro

  • http://lankfnajasdfasnbadsfaaa.pro

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • Hook family
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • 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.pxqqxxcnm.osmcneyig
    1⤵
    • Loads dropped Dex/Jar
    • 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
    • Performs UI accessibility actions on behalf of the user
    • 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:4321
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.pxqqxxcnm.osmcneyig/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.pxqqxxcnm.osmcneyig/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4345

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex

        • Path /data/data/com.pxqqxxcnm.osmcneyig/app_dex/classes.dex
        • Size 2.1MB
        • SHA256 e4a9abec3bcc7c12c352e266267a8fe6c3f3a8e78cd455cf9d3ad053b6cf8cd5
        • MD5 SHA1 SHA512 SSDEEP

        classes.dex

        • Path /data/data/com.pxqqxxcnm.osmcneyig/cache/classes.dex
        • Size 983KB
        • SHA256 31f6826ade193dfb951718864aa0acc7fd1f74117b222a97ddc03fcd811b4721
        • MD5 SHA1 SHA512 SSDEEP

        classes.zip

        • Path /data/data/com.pxqqxxcnm.osmcneyig/cache/classes.zip
        • Size 984KB
        • SHA256 1bb427d3e792fdca5b8ce333b11b6a6e376de99f9829c7d3bbbe908c0e8f2c2d
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

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

        androidx.work.workdb-journal

        • Path /data/data/com.pxqqxxcnm.osmcneyig/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 46a382f9cd438a38fc656c7c0d34c8f86b88e367261b8e334d2b8dec440e2172
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.pxqqxxcnm.osmcneyig/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 968f503b38829e61c0428262c05b842c11fa2d3f42452ecd078be84417de6f6f
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.pxqqxxcnm.osmcneyig/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 6456a5340b10a13aa31c2b2bca550a2cf6484ad5f3e2d82af08e6c787a6a00cf
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.pxqqxxcnm.osmcneyig/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 20627cdf60331fe2bb3e9c83f5453f8e60b4caf9525c217ae4bfd729cb9e52b5
        • MD5 SHA1 SHA512 SSDEEP

        classes.dex

        • Path /data/user/0/com.pxqqxxcnm.osmcneyig/app_dex/classes.dex
        • Size 2.1MB
        • SHA256 26d248246578afec7e45cc0d4c367025a5ac5d8d77b569b2946f536deec1e4f8
        • MD5 SHA1 SHA512 SSDEEP