Analysis

  • max time kernel
    146s
  • max time network
    154s
  • 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
    20-01-2025 22:07

General

  • Target

    508742f56f4d8ec6454d1d0484e19b54a150f43deb5709c953482ffdeaae0d8d.apk

  • Size

    1.1MB

  • MD5

    85a2fa4fa1c5587e507fdc5fb390b732

  • SHA1

    83e4c4f8ec429548b56d427a79ed753a1c5c07aa

  • SHA256

    508742f56f4d8ec6454d1d0484e19b54a150f43deb5709c953482ffdeaae0d8d

  • SHA512

    456c07be122451332feb17cbb4f173a2161193ac13611e0fb1030abfb494ed42ed90008d20d2bd3e1b0d2f900af5e31f447a3b199f86b8c5a84738ab858f81af

  • SSDEEP

    24576:n4frWd8bDWxpHd8WId8Rmd8mdDid8on01TuCCd8bd8Od8nZd85d8aIa+npmnL:n4fgvVoMn0RrIiL

Malware Config

Extracted

Family

ermac

C2

http://94.156.167.70:3434

AES_key
AES_key

Signatures

  • Ermac

    An Android banking trojan first seen in July 2021.

  • Ermac family
  • 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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • 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
  • 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

  • folsaaase.chssssaormes.apk
    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:4262

Network

MITRE ATT&CK Mobile v15

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Downloads