General

  • Target

    72db4b6b4d90f66c099e4366c91cabc076d4ba5968abd163a9b61f9c9ea288cc

  • Size

    1.9MB

  • Sample

    231220-aktrnsbdal

  • MD5

    c7f59cbbe28d2b022dfbabdbad23160f

  • SHA1

    7b4e800a72e0fba35096c1723f96158c06c090c6

  • SHA256

    72db4b6b4d90f66c099e4366c91cabc076d4ba5968abd163a9b61f9c9ea288cc

  • SHA512

    da3c7ef32deb849edfc52ebd1cd1fb7c9b38d5e99851f4eb3076a5ce212d6707c35c973f9e1f3e3ec0d7652b37f5a2a52d16284f4dabc5e6cdf7fdccfd7f2b71

  • SSDEEP

    24576:mGF+dxOtkCRswHXCqqRb54XPbsvty4fUjlDPSYj4cwbcAfAO4h+pKvfEHIAG9Zeu:/FQOKyiqYIzSy4fWspQnE148AfEG

Malware Config

Extracted

Family

ermac

C2

http://213.226.123.8:3434

AES_key
AES_key

Targets

    • Target

      72db4b6b4d90f66c099e4366c91cabc076d4ba5968abd163a9b61f9c9ea288cc

    • Size

      1.9MB

    • MD5

      c7f59cbbe28d2b022dfbabdbad23160f

    • SHA1

      7b4e800a72e0fba35096c1723f96158c06c090c6

    • SHA256

      72db4b6b4d90f66c099e4366c91cabc076d4ba5968abd163a9b61f9c9ea288cc

    • SHA512

      da3c7ef32deb849edfc52ebd1cd1fb7c9b38d5e99851f4eb3076a5ce212d6707c35c973f9e1f3e3ec0d7652b37f5a2a52d16284f4dabc5e6cdf7fdccfd7f2b71

    • SSDEEP

      24576:mGF+dxOtkCRswHXCqqRb54XPbsvty4fUjlDPSYj4cwbcAfAO4h+pKvfEHIAG9Zeu:/FQOKyiqYIzSy4fWspQnE148AfEG

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Acquires the wake lock

    • 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 Matrix

Tasks