General

  • Target

    99cf8159cee928f87822031d7f88daf049b093a3619f644198d510cb692b6d03.bin

  • Size

    996KB

  • Sample

    240816-1yfp3szdla

  • MD5

    e341707a05a7585b9fcb929a9a7bf3e7

  • SHA1

    a92b3768eba6732b3f58e4a576e0627ae9624dac

  • SHA256

    99cf8159cee928f87822031d7f88daf049b093a3619f644198d510cb692b6d03

  • SHA512

    f8acc83c3727f6905115a1ec67c028a7de022cc4dc60d33e715367c513fcca95c3a92a16ed47ba2d29d000268b8e9dbca345c89eba38c2fd67d27754c8645685

  • SSDEEP

    24576:17+gWPFQ8MffPRxkTi9b8w43WF3WkozFNveg//efF:NIM3R6CbakxYleg/mF

Malware Config

Extracted

Family

ermac

C2

http://193.233.254.28:3434

AES_key
AES_key

Targets

    • Target

      99cf8159cee928f87822031d7f88daf049b093a3619f644198d510cb692b6d03.bin

    • Size

      996KB

    • MD5

      e341707a05a7585b9fcb929a9a7bf3e7

    • SHA1

      a92b3768eba6732b3f58e4a576e0627ae9624dac

    • SHA256

      99cf8159cee928f87822031d7f88daf049b093a3619f644198d510cb692b6d03

    • SHA512

      f8acc83c3727f6905115a1ec67c028a7de022cc4dc60d33e715367c513fcca95c3a92a16ed47ba2d29d000268b8e9dbca345c89eba38c2fd67d27754c8645685

    • SSDEEP

      24576:17+gWPFQ8MffPRxkTi9b8w43WF3WkozFNveg//efF:NIM3R6CbakxYleg/mF

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Removes its main activity from the application launcher

    • 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)

    • Queries the phone number (MSISDN for GSM devices)

    • Acquires the wake lock

    • Makes use of the framework's foreground persistence service

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

    • Performs UI accessibility actions on behalf of the user

      Application may abuse the accessibility service to prevent their removal.

    • Queries the mobile country code (MCC)

    • 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