General

  • Target

    d656d32c77b3c3332c64cd8222c81e82b3a576043e49aefb1da9ab7150d70175.bin

  • Size

    1018KB

  • Sample

    250222-1xndjazkfz

  • MD5

    8f77e8b193152347e60ce4da4a63f406

  • SHA1

    cdf293ac7c0e9f5085beef3ce612bbc6bbca7253

  • SHA256

    d656d32c77b3c3332c64cd8222c81e82b3a576043e49aefb1da9ab7150d70175

  • SHA512

    3396015242e930d08ebf32df5ec69f098b28970bd8d36a1664c37b4b6e2d054594cddabedcb96502f8c022bd2925002d1c21c82b1d8be858a4e9eecdd3d1848c

  • SSDEEP

    12288:CoMbyZK5G+biuvip5RBlguC5gApVD5U+rUA5LgA4R4P4E4f4j444p454n4+N+LO:CoRI5eRBlO5gSDU+rUACACYnkUfq+I+S

Malware Config

Extracted

Family

ermac

C2

http://20.199.76.181

AES_key
AES_key

Targets

    • Target

      d656d32c77b3c3332c64cd8222c81e82b3a576043e49aefb1da9ab7150d70175.bin

    • Size

      1018KB

    • MD5

      8f77e8b193152347e60ce4da4a63f406

    • SHA1

      cdf293ac7c0e9f5085beef3ce612bbc6bbca7253

    • SHA256

      d656d32c77b3c3332c64cd8222c81e82b3a576043e49aefb1da9ab7150d70175

    • SHA512

      3396015242e930d08ebf32df5ec69f098b28970bd8d36a1664c37b4b6e2d054594cddabedcb96502f8c022bd2925002d1c21c82b1d8be858a4e9eecdd3d1848c

    • SSDEEP

      12288:CoMbyZK5G+biuvip5RBlguC5gApVD5U+rUA5LgA4R4P4E4f4j444p454n4+N+LO:CoRI5eRBlO5gSDU+rUACACYnkUfq+I+S

    • 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 information about active data network

    • 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 v15

Tasks