Analysis

  • max time kernel
    178s
  • max time network
    152s
  • platform
    android_x64
  • resource
    android-x64-20240624-en
  • resource tags

    androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
  • submitted
    09/08/2024, 22:13

General

  • Target
    8192c8133604c35c8494ca887b6df177f72bc90a32f4d53ed0d51c4db6ac24c5.apk
  • Size 1.2MB
  • Sample240809-15eflawbpd
  • SHA256 8192c8133604c35c8494ca887b6df177f72bc90a32f4d53ed0d51c4db6ac24c5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • ermac

C2
  • http://auvzmashinadx.xyz ; http://auglogvnja.xyz ; http://audkzmzc.xyz

  • http://auvzmashinadx.xyz

  • http://auglogvnja.xyz

  • http://audkzmzc.xyz

AES_key

Extracted

Family
  • hook

C2
  • http://auvzmashinadx.xyz ; http://auglogvnja.xyz ; http://audkzmzc.xyz

  • http://auvzmashinadx.xyz

  • http://auglogvnja.xyz

  • http://audkzmzc.xyz

AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Ermac2 payload 1 IoCs
  • 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 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.yezatabefuhe.tozeci
    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
    • 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:4936

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        androidx.work.workdb

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

        androidx.work.workdb-journal

        • Path /data/data/com.yezatabefuhe.tozeci/no_backup/androidx.work.workdb-journal
        • Size 512B
        • SHA256 9482959eda9ed887b3410e05ac19c9e65241aa40643ba6f5abbd60bb09487b9c
        • MD5 SHA1 SHA512

        androidx.work.workdb-shm

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

        androidx.work.workdb-wal

        • Path /data/data/com.yezatabefuhe.tozeci/no_backup/androidx.work.workdb-wal
        • Size 16KB
        • SHA256 84d15ffad62b6e50a7364a504f64ade37a42ef90729cc685b9dc683f4897e78b
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.yezatabefuhe.tozeci/no_backup/androidx.work.workdb-wal
        • Size 108KB
        • SHA256 44cad94653c19f99ffdd8d756ec3f3962ae793a8cc6cf5c7f343554558d17392
        • MD5 SHA1 SHA512 SSDEEP

        androidx.work.workdb-wal

        • Path /data/data/com.yezatabefuhe.tozeci/no_backup/androidx.work.workdb-wal
        • Size 173KB
        • SHA256 48453f4a5a413611a942559eb37e6d62f737b17e3198254caa353a9119ec67dd
        • MD5 SHA1 SHA512 SSDEEP

        dp-a.a

        • Path /storage/emulated/0/Android/obb/com.yezatabefuhe.tozeci/dp/dp-a.a
        • Size 1.5MB
        • SHA256 9fd376afa40abc17c13375e9465b0c7fc24240458dbdaa328ee5111834095f1a
        • MD5 SHA1 SHA512 SSDEEP