General

  • Target

    5A29D563C11DCA7D605D426C3269E75682B215D10CF5682B4C8044D5A34B501F.apk

  • Size

    3.5MB

  • Sample

    221108-pa4lfsfcd8

  • MD5

    f56d57be9f495615154236c98c58c5cc

  • SHA1

    91a8d4482312ff2ac04b218789d4c18030610b9e

  • SHA256

    5a29d563c11dca7d605d426c3269e75682b215d10cf5682b4c8044d5a34b501f

  • SHA512

    3b45f6152aaf461ad00a2de8a1e2bed7faadcddba9aea71950b4d10b027e3b9837de7d555a1d93128a733c0e59c418b7ae62f733262a5cacdea0b4bfc9acf090

  • SSDEEP

    49152:P7MG0Ebz89nLkrTrp9FuuCC1DsgbV56VNmR1RW6Ndq33Hau13patLvxUlgNuFFM+:DM6zakfrD8uCQ562186Tq3beVJqOKF9

Malware Config

Extracted

Family

ermac

C2

http://193.106.191.121:3434

AES_key
AES_key

Targets

    • Target

      5A29D563C11DCA7D605D426C3269E75682B215D10CF5682B4C8044D5A34B501F.apk

    • Size

      3.5MB

    • MD5

      f56d57be9f495615154236c98c58c5cc

    • SHA1

      91a8d4482312ff2ac04b218789d4c18030610b9e

    • SHA256

      5a29d563c11dca7d605d426c3269e75682b215d10cf5682b4c8044d5a34b501f

    • SHA512

      3b45f6152aaf461ad00a2de8a1e2bed7faadcddba9aea71950b4d10b027e3b9837de7d555a1d93128a733c0e59c418b7ae62f733262a5cacdea0b4bfc9acf090

    • SSDEEP

      49152:P7MG0Ebz89nLkrTrp9FuuCC1DsgbV56VNmR1RW6Ndq33Hau13patLvxUlgNuFFM+:DM6zakfrD8uCQ562186Tq3beVJqOKF9

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Makes use of the framework's Accessibility service.

    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).

    • Removes its main activity from the application launcher

    • Acquires the wake lock.

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • 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).

    • Removes a system notification.

    • Uses Crypto APIs (Might try to encrypt user data).

MITRE ATT&CK Matrix

Tasks