General

  • Target

    0e6c87073b40a7914413479920e643f7fd3e56f62db2005d5f6e696cf72f6683.bin

  • Size

    3.6MB

  • Sample

    241220-11va9awkan

  • MD5

    22d3b8ecd206e0d454927660e485c7c1

  • SHA1

    12f83e5bfc939a331e87639ff932431b354b7a12

  • SHA256

    0e6c87073b40a7914413479920e643f7fd3e56f62db2005d5f6e696cf72f6683

  • SHA512

    9caac7f490081a3186ccd032bd73a44c93adef6e7f0e03c7edd7bfb1b5490588253b98d1c8e3eb66a4017b3009691de0bbf914b2af9bea181ab8a27ae1224353

  • SSDEEP

    98304:kXJP4BVK4Fn/Wcz2YMk+4Rs/uUPPEWtG3vOVLIEmsBul5pu0:kXJPcFnOs2YD+b/PPcoLITsBulTd

Malware Config

Extracted

Family

ermac

C2

http://78.153.149.187:3434

AES_key
AES_key

Targets

    • Target

      0e6c87073b40a7914413479920e643f7fd3e56f62db2005d5f6e696cf72f6683.bin

    • Size

      3.6MB

    • MD5

      22d3b8ecd206e0d454927660e485c7c1

    • SHA1

      12f83e5bfc939a331e87639ff932431b354b7a12

    • SHA256

      0e6c87073b40a7914413479920e643f7fd3e56f62db2005d5f6e696cf72f6683

    • SHA512

      9caac7f490081a3186ccd032bd73a44c93adef6e7f0e03c7edd7bfb1b5490588253b98d1c8e3eb66a4017b3009691de0bbf914b2af9bea181ab8a27ae1224353

    • SSDEEP

      98304:kXJP4BVK4Fn/Wcz2YMk+4Rs/uUPPEWtG3vOVLIEmsBul5pu0:kXJPcFnOs2YD+b/PPcoLITsBulTd

    • 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 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 v15

Tasks