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General

  • Target

    sample.apk

  • Size

    918KB

  • Sample

    221106-xex88sfha2

  • MD5

    7134879be9b4e2fd6b1de8b734fe8d67

  • SHA1

    4a8f63271ed5aed3b813c0641b7f8a314fe771d0

  • SHA256

    d74ba0cb6b7c060199a7e2e7d3925606eca6f2d902bf516feea123fd2b43eadc

  • SHA512

    cd801eaca891bb65eb6e2141765725ef8d86886baa8a5e1fbd3e62b189ec7536a5285886d3c2a9f2ada433daf3f34e123e49abcbcfb6f17ef2748cca359419d0

  • SSDEEP

    24576:kWR0zj34qS4IJUGJ9O5q4WiqeVIIVamYg/qvC:kWR0zj34b7eWpBmYg/t

Malware Config

Extracted

Family

ermac

C2

http://176.113.115.150:3434

AES_key
AES_key

Targets

    • Target

      sample.apk

    • Size

      918KB

    • MD5

      7134879be9b4e2fd6b1de8b734fe8d67

    • SHA1

      4a8f63271ed5aed3b813c0641b7f8a314fe771d0

    • SHA256

      d74ba0cb6b7c060199a7e2e7d3925606eca6f2d902bf516feea123fd2b43eadc

    • SHA512

      cd801eaca891bb65eb6e2141765725ef8d86886baa8a5e1fbd3e62b189ec7536a5285886d3c2a9f2ada433daf3f34e123e49abcbcfb6f17ef2748cca359419d0

    • SSDEEP

      24576:kWR0zj34qS4IJUGJ9O5q4WiqeVIIVamYg/qvC:kWR0zj34b7eWpBmYg/t

    • Ermac

      An Android banking trojan first seen in July 2021.

    • 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.

    • 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