General

  • Target

    531ffd5102c49b60c8f64876a29bad871c3ec55957081de38f9faaaeaa3bd6fc.bin

  • Size

    961KB

  • Sample

    241205-1xb1hazqel

  • MD5

    2a946dc78f99a018694e70c19031022b

  • SHA1

    2406f6a7a877ad79e31b841f4c96a3b5e2132e8e

  • SHA256

    531ffd5102c49b60c8f64876a29bad871c3ec55957081de38f9faaaeaa3bd6fc

  • SHA512

    6acb40adb9cae42a0c72712bd05489f8ecfd7bbe7cc1998ded8efc344e7c1af6a991be95bf24e62e5708c700a53c1a457cd9aea7d1d7e71cdd7c0056d8af9ce6

  • SSDEEP

    24576:DgmJKaJ0fmHaNfabFs0qu00tX/OpKnR6GRiqtaJyLwJe:DgmJFFb00dFRyqtGyLwc

Malware Config

Extracted

Family

ermac

C2

http://ahmet10.duckdns.org:3434

AES_key
AES_key

Targets

    • Target

      531ffd5102c49b60c8f64876a29bad871c3ec55957081de38f9faaaeaa3bd6fc.bin

    • Size

      961KB

    • MD5

      2a946dc78f99a018694e70c19031022b

    • SHA1

      2406f6a7a877ad79e31b841f4c96a3b5e2132e8e

    • SHA256

      531ffd5102c49b60c8f64876a29bad871c3ec55957081de38f9faaaeaa3bd6fc

    • SHA512

      6acb40adb9cae42a0c72712bd05489f8ecfd7bbe7cc1998ded8efc344e7c1af6a991be95bf24e62e5708c700a53c1a457cd9aea7d1d7e71cdd7c0056d8af9ce6

    • SSDEEP

      24576:DgmJKaJ0fmHaNfabFs0qu00tX/OpKnR6GRiqtaJyLwJe:DgmJFFb00dFRyqtGyLwc

    • 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)

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

MITRE ATT&CK Mobile v15

Tasks