General

  • Target

    508742f56f4d8ec6454d1d0484e19b54a150f43deb5709c953482ffdeaae0d8d.bin

  • Size

    1.1MB

  • Sample

    250120-11ln4s1raw

  • MD5

    85a2fa4fa1c5587e507fdc5fb390b732

  • SHA1

    83e4c4f8ec429548b56d427a79ed753a1c5c07aa

  • SHA256

    508742f56f4d8ec6454d1d0484e19b54a150f43deb5709c953482ffdeaae0d8d

  • SHA512

    456c07be122451332feb17cbb4f173a2161193ac13611e0fb1030abfb494ed42ed90008d20d2bd3e1b0d2f900af5e31f447a3b199f86b8c5a84738ab858f81af

  • SSDEEP

    24576:n4frWd8bDWxpHd8WId8Rmd8mdDid8on01TuCCd8bd8Od8nZd85d8aIa+npmnL:n4fgvVoMn0RrIiL

Malware Config

Extracted

Family

ermac

C2

http://94.156.167.70:3434

AES_key
AES_key

Targets

    • Target

      508742f56f4d8ec6454d1d0484e19b54a150f43deb5709c953482ffdeaae0d8d.bin

    • Size

      1.1MB

    • MD5

      85a2fa4fa1c5587e507fdc5fb390b732

    • SHA1

      83e4c4f8ec429548b56d427a79ed753a1c5c07aa

    • SHA256

      508742f56f4d8ec6454d1d0484e19b54a150f43deb5709c953482ffdeaae0d8d

    • SHA512

      456c07be122451332feb17cbb4f173a2161193ac13611e0fb1030abfb494ed42ed90008d20d2bd3e1b0d2f900af5e31f447a3b199f86b8c5a84738ab858f81af

    • SSDEEP

      24576:n4frWd8bDWxpHd8WId8Rmd8mdDid8on01TuCCd8bd8Od8nZd85d8aIa+npmnL:n4fgvVoMn0RrIiL

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac family

    • 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.

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • 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)

    • Reads information about phone network operator.

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

MITRE ATT&CK Mobile v15

Tasks