General

  • Target

    9f77f246e56366324ea643a4d064b1321ba346601252f666603501334495055e.bin

  • Size

    1018KB

  • Sample

    250410-1z7vystjt7

  • MD5

    2a3f947c4c9f0292719c14cf28605e3c

  • SHA1

    6dfe9c4148465cfe8b1f735f2f652ab971982f3a

  • SHA256

    9f77f246e56366324ea643a4d064b1321ba346601252f666603501334495055e

  • SHA512

    34b04385a59c2ab05d258acf7ddbdf099293bb808610166f9947b9c8c2388b0035395adf6a88daa01f36db0c099aacdd138b5e1cb21a8a777bbb4d92c8cdc7fa

  • SSDEEP

    24576:CoRI5eRBlO5gSDU+rUACACYnkUfq+ImX9:9IE7cgSTrhCYnkUfq+ImX9

Malware Config

Extracted

Family

ermac

C2

http://20.199.76.181

AES_key
AES_key

Targets

    • Target

      9f77f246e56366324ea643a4d064b1321ba346601252f666603501334495055e.bin

    • Size

      1018KB

    • MD5

      2a3f947c4c9f0292719c14cf28605e3c

    • SHA1

      6dfe9c4148465cfe8b1f735f2f652ab971982f3a

    • SHA256

      9f77f246e56366324ea643a4d064b1321ba346601252f666603501334495055e

    • SHA512

      34b04385a59c2ab05d258acf7ddbdf099293bb808610166f9947b9c8c2388b0035395adf6a88daa01f36db0c099aacdd138b5e1cb21a8a777bbb4d92c8cdc7fa

    • SSDEEP

      24576:CoRI5eRBlO5gSDU+rUACACYnkUfq+ImX9:9IE7cgSTrhCYnkUfq+ImX9

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac family

    • Removes its main activity from the application launcher

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

    • Obtains sensitive information copied to the device clipboard

      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)

    • Queries the phone number (MSISDN for GSM devices)

    • Acquires the wake lock

    • Makes use of the framework's foreground persistence service

      Application may abuse the framework's foreground service to continue running in the foreground.

    • Performs UI accessibility actions on behalf of the user

      Application may abuse the accessibility service to prevent their removal.

    • Queries the mobile country code (MCC)

    • Queries the unique device ID (IMEI, MEID, IMSI)

    • Reads information about phone network operator.

    • Requests disabling of battery optimizations (often used to enable hiding in the background).

MITRE ATT&CK Mobile v16

Tasks