General

  • Target

    Update_2.apk

  • Size

    2.5MB

  • Sample

    230814-klhqxaah44

  • MD5

    74867338c06a1f272c438061fef7cbc9

  • SHA1

    3893e622353dffcc1a98f37503aa6cea4ff539a4

  • SHA256

    08d4f2f90e1adcd801c3e3dae90e5b0680941d49e0ff426291ffb0e32868fded

  • SHA512

    4096fc3da212fffe8a650fe1121e48823eb78c5ea9206c95d41122ee29b4d87839e8523df7948a22eb347eb53dcb3f28f5ce3f79f07ed1ec9b4365bfe100a3cb

  • SSDEEP

    49152:3RW2M93mpiIZTVpMg86GaoXyAT/98+Pe5eN/Xqgp7yQ0:42e2picVpxGaWy2c5eggxyP

Malware Config

Extracted

Family

ermac

AES_key

Extracted

Family

hook

AES_key

Targets

    • Target

      Update_2.apk

    • Size

      2.5MB

    • MD5

      74867338c06a1f272c438061fef7cbc9

    • SHA1

      3893e622353dffcc1a98f37503aa6cea4ff539a4

    • SHA256

      08d4f2f90e1adcd801c3e3dae90e5b0680941d49e0ff426291ffb0e32868fded

    • SHA512

      4096fc3da212fffe8a650fe1121e48823eb78c5ea9206c95d41122ee29b4d87839e8523df7948a22eb347eb53dcb3f28f5ce3f79f07ed1ec9b4365bfe100a3cb

    • SSDEEP

      49152:3RW2M93mpiIZTVpMg86GaoXyAT/98+Pe5eN/Xqgp7yQ0:42e2picVpxGaWy2c5eggxyP

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Hook

      Hook is an Android malware that is based on Ermac with RAT capabilities.

    • Makes use of the framework's Accessibility service.

    • Acquires the wake lock.

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Reads information about phone network operator.

    • Removes a system notification.

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

MITRE ATT&CK Matrix

Tasks