General

  • Target

    f66c4855b750d92233c5d6b0ec94dbaaa875e8c287104a5176b25423b833d945.bin

  • Size

    1020KB

  • Sample

    250117-1z2c6svpcl

  • MD5

    a897b740e09b021905f0c270ff2ef9cd

  • SHA1

    4d16a7d1ee6c6630807788f0ed0c0d6d30af11af

  • SHA256

    f66c4855b750d92233c5d6b0ec94dbaaa875e8c287104a5176b25423b833d945

  • SHA512

    d91f85849e83c21146364a3c6183e22aaf01d92ecd26961887aa1c530ebb1043de54bc385c2ff54aa046d36723129bbd1d6b39fe9b8e51b5e68e112f97435997

  • SSDEEP

    24576:Vg/GL5O9nmQFXjH9IdIMp9FiIsH3ws5kVw1bb8LTO:Vg/l9nvCdIMHFi13f5k+Fb

Malware Config

Extracted

Family

ermac

C2

http://172.93.100.16:3434

AES_key
AES_key

Targets

    • Target

      f66c4855b750d92233c5d6b0ec94dbaaa875e8c287104a5176b25423b833d945.bin

    • Size

      1020KB

    • MD5

      a897b740e09b021905f0c270ff2ef9cd

    • SHA1

      4d16a7d1ee6c6630807788f0ed0c0d6d30af11af

    • SHA256

      f66c4855b750d92233c5d6b0ec94dbaaa875e8c287104a5176b25423b833d945

    • SHA512

      d91f85849e83c21146364a3c6183e22aaf01d92ecd26961887aa1c530ebb1043de54bc385c2ff54aa046d36723129bbd1d6b39fe9b8e51b5e68e112f97435997

    • SSDEEP

      24576:Vg/GL5O9nmQFXjH9IdIMp9FiIsH3ws5kVw1bb8LTO:Vg/l9nvCdIMHFi13f5k+Fb

    • 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.

    • 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)

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

MITRE ATT&CK Mobile v15

Tasks