Analysis

  • max time kernel
    178s
  • max time network
    190s
  • platform
    android_x64
  • resource
    android-x64-arm64-20240624-en
  • resource tags

    androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
  • submitted
    13/08/2024, 22:03

General

  • Target
    b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756.apk
  • Size 4.2MB
  • Sample240813-1yr34stamn
  • SHA256 b6ed31e0329c6ab919b874b4a4f02c9ee10e57a0b0114cc7fae802b593d85756
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hook

C2
  • http://134.255.180.156

DES_key
AES_key

Signatures

  • Hook

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

  • Loads dropped Dex/Jar 1 TTPs 2 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.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 22 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.

  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 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.cdnbwsqqe.dxmznskla
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4470

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        classes.dex

        • Path /data/data/com.cdnbwsqqe.dxmznskla/app_dex/classes.dex
        • Size 2.9MB
        • SHA256 00e64c5197f6697692b326a3495eb62e97b3ff11bd12adf6dc287fed1de9d37a
        • MD5 SHA1 SHA512 SSDEEP

        classes.dex

        • Path /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.dex
        • Size 1.0MB
        • SHA256 5b13538022406312a946eb7f897ed0b613bffc88f35bcd00750e12081c04fffc
        • MD5 SHA1 SHA512 SSDEEP

        classes.zip

        • Path /data/data/com.cdnbwsqqe.dxmznskla/cache/classes.zip
        • Size 1.0MB
        • SHA256 f4899f302c0370f556fa3a89ab3103a9db26d02b6b6856f7f0c8e4487e115467
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb
        • Size 4KB
        • SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
        • MD5 SHA1 SHA512

        androidx.work.workdb-journal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 7fd9248f695ee6730845b12075626ac60e3d31ec47660247db365df964cf5959
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 78d975c0e42c76b264123f6158dfe6fd8609c8e4e0e519759b3b4828a4a85d9b
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 4fbb6e23e4c1b32b1d330fac62c6cbebacb2c6cc92e64334f2c1426df0aabaee
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.cdnbwsqqe.dxmznskla/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 506efb941f2688b3bf7875fc01edf782af0f5c1ada2428d05d5e2a48c2b66b12
        • MD5 SHA1 SHA512 SSDEEP