General

  • Target
    c6c30839e1e885d4a54fe9d8d3a68b3e1c79e27e15c9a76907ba58a954d8476c.apk
  • Size 2.8MB
  • Sample221012-mf6lwsdcen
  • SHA256 c6c30839e1e885d4a54fe9d8d3a68b3e1c79e27e15c9a76907ba58a954d8476c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • ermac

C2
  • http://31.41.244.187:3434

AES_key
AES_key

Targets

    • Target
      c6c30839e1e885d4a54fe9d8d3a68b3e1c79e27e15c9a76907ba58a954d8476c.apk
    • Size 2.8MB
    • SHA256 c6c30839e1e885d4a54fe9d8d3a68b3e1c79e27e15c9a76907ba58a954d8476c
    • MD5 SHA1 SHA512 SSDEEP
    • 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