General

  • Target

    00bf4f784cc5100cc2377d7645e71542607918d3399329a4b634d8eeea0fe1d3.bin

  • Size

    1.2MB

  • Sample

    250319-1w5anayms8

  • MD5

    0ee2c9a8d23c128f8b728d9dca61b353

  • SHA1

    8519a49f458cbf6ddf2c6cd1c877d42e2f832c93

  • SHA256

    00bf4f784cc5100cc2377d7645e71542607918d3399329a4b634d8eeea0fe1d3

  • SHA512

    8e4cab6252fd5f2193769caec6e3f1df502d54f12812f999a53593453d4d1548948c568900b3fc532923b98ecf4360ec29f27b52fe0ffac35057c2e1e2a36d14

  • SSDEEP

    24576:Ar5AcJOBLtAUqvblXWkQb7027QFv12GQAq6DVungSseWKU/kfKc:A91sLNqRX5QH020BoNIDYgSgfYX

Malware Config

Extracted

Family

ermac

C2

http://194.26.135.189

AES_key
AES_key

Targets

    • Target

      00bf4f784cc5100cc2377d7645e71542607918d3399329a4b634d8eeea0fe1d3.bin

    • Size

      1.2MB

    • MD5

      0ee2c9a8d23c128f8b728d9dca61b353

    • SHA1

      8519a49f458cbf6ddf2c6cd1c877d42e2f832c93

    • SHA256

      00bf4f784cc5100cc2377d7645e71542607918d3399329a4b634d8eeea0fe1d3

    • SHA512

      8e4cab6252fd5f2193769caec6e3f1df502d54f12812f999a53593453d4d1548948c568900b3fc532923b98ecf4360ec29f27b52fe0ffac35057c2e1e2a36d14

    • SSDEEP

      24576:Ar5AcJOBLtAUqvblXWkQb7027QFv12GQAq6DVungSseWKU/kfKc:A91sLNqRX5QH020BoNIDYgSgfYX

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac family

    • Ermac2 payload

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • 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 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 v15

Tasks