General

  • Target

    0a213fee7591af14edb588c68fa4ac0bd75160b4057dcdd4970ce64c2a06a2f0.bin

  • Size

    972KB

  • Sample

    240501-1xkyeaha9s

  • MD5

    a3f647ecc027b21e383892fdf89d5a65

  • SHA1

    4398f7ffc59feae894d259f4d033e8bf1ab2ee99

  • SHA256

    0a213fee7591af14edb588c68fa4ac0bd75160b4057dcdd4970ce64c2a06a2f0

  • SHA512

    5c079e686e8b475e7651c703894c00e915fbe64d2a09e4854a170321e0bd45f3bbe7832f5ff75a45fab6c39e3bbdbdab61c46e6137a180792de1aa1f4e6f2f6f

  • SSDEEP

    24576:TTYbfsyVWFzq3yLrdwCc0SWKozSMGWkg/qUAVx:csGCtBwDgkg/qPx

Malware Config

Extracted

Family

ermac

C2

http://147.45.47.44:3434

AES_key
AES_key

Targets

    • Target

      0a213fee7591af14edb588c68fa4ac0bd75160b4057dcdd4970ce64c2a06a2f0.bin

    • Size

      972KB

    • MD5

      a3f647ecc027b21e383892fdf89d5a65

    • SHA1

      4398f7ffc59feae894d259f4d033e8bf1ab2ee99

    • SHA256

      0a213fee7591af14edb588c68fa4ac0bd75160b4057dcdd4970ce64c2a06a2f0

    • SHA512

      5c079e686e8b475e7651c703894c00e915fbe64d2a09e4854a170321e0bd45f3bbe7832f5ff75a45fab6c39e3bbdbdab61c46e6137a180792de1aa1f4e6f2f6f

    • SSDEEP

      24576:TTYbfsyVWFzq3yLrdwCc0SWKozSMGWkg/qUAVx:csGCtBwDgkg/qPx

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Makes use of the framework's Accessibility service

      Retrieves information displayed on the phone screen using AccessibilityService.

    • 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

    • Makes use of the framework's foreground persistence service

      Application may abuse the framework's foreground service to continue running in the foreground.

    • Queries the mobile country code (MCC)

    • Queries the phone number (MSISDN for GSM devices)

    • Acquires the wake lock

    • Queries the unique device ID (IMEI, MEID, IMSI)

    • Requests disabling of battery optimizations (often used to enable hiding in the background).

MITRE ATT&CK Mobile v15

Tasks