Analysis

  • max time kernel
    177s
  • max time network
    186s
  • platform
    android_x86
  • resource
    android-x86-arm-20240611.1-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240611.1-enlocale:en-usos:android-9-x86system
  • submitted
    20-06-2024 22:00

General

  • Target

    c845cd42c2f1dda46116d78957822e7a67cc7a70863c18570a8c1308be62aaea.apk

  • Size

    927KB

  • MD5

    35f5208d6283a1bb8dc3bd49f2444f47

  • SHA1

    81ea7c9c4902eb3fd4154e51190e5505b9ba6523

  • SHA256

    c845cd42c2f1dda46116d78957822e7a67cc7a70863c18570a8c1308be62aaea

  • SHA512

    f7cc3435870beddbb3e9ed5bf328a85095bab7812bf15e99de4080b8fbf5f2878333b069a900680c4c0ebdf99da2fbb36d0ff2b4185468b40a66cb74401e2535

  • SSDEEP

    12288:tnmrYRveCxPvqjm8b3dBnLCi2SLjCTemB7gxhsBLDBLBgxhVp3d6xCtfPjGgA4qp:tXRWAPvqNvLrgtXez6ajGg/JoR

Malware Config

Extracted

Family

ermac

C2

http://jeffhard.duckdns.org:8080

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • 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 7 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
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • 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.bobuhomifuvicu.fegesi
    1⤵
    • Removes its main activity from the application launcher
    • Makes use of the framework's Accessibility service
    • 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)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • 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:4301

Network

MITRE ATT&CK Matrix

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Downloads