Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    android-10_x64
  • resource
    android-x64-20240910-en
  • resource tags

    arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
  • submitted
    09/04/2025, 22:09

General

  • Target

    200414eaef538b19726f2e050f51220fedbcd75156fa2138831d8cd13cd6072c.apk

  • Size

    961KB

  • MD5

    11bae0339acf762d2f5060662a432431

  • SHA1

    d71a761a15cf7155d0295aca6d73b062608b5aaa

  • SHA256

    200414eaef538b19726f2e050f51220fedbcd75156fa2138831d8cd13cd6072c

  • SHA512

    b1a3a399a1e5ec8b244cf97b59d6fbd37368241a1636baa853de56a89000e045235331fb97f209b9924bb1cc75d60bb0b6493669316f645e10ed20718fb55d24

  • SSDEEP

    24576:/gSGNUtJs5cSwB2x9RJyApx4bXLLkSuTWBVBhtWCqtaJyL/:/gSIjcLauRqtGyL/

Malware Config

Extracted

Family

ermac

C2

http://154.216.19.217

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Ermac family
  • Ermac2 payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • 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 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 19 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • 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.siwhlwjqkksa.apk
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:5157

Network

MITRE ATT&CK Mobile v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.siwhlwjqkksa.apk/app_apkprotector_dex/classes-v1.bin

    Filesize

    547KB

    MD5

    4802c8f6d0a5b6b2c7bf3ba900ad7560

    SHA1

    6aa37a2d86eac3cb222943b56dff44c9b643b365

    SHA256

    abaf6b30c53da69c08419f51efddefde10e1276637b6e543e2c053ea5748a3d4

    SHA512

    ac5f8a7f4ea9d28b4f89f011723ed2aa5dcaccc9f7e00c968cdae105aef70e23f052d0897bcb86bb3f4e400e6a51ce76d6f536f0f18e97b1e09ffaa1575d26a1