General

  • Target

    24cfa100803fb93e4d5e0e9cb05820295f8deea27bbf8128dd9a38a289668fa2.bin

  • Size

    914KB

  • Sample

    240826-12tq4szbmr

  • MD5

    e054e51a4114558a0493885b15fd914d

  • SHA1

    acdff918428fa4bd7b9ea5fc8bd0bda25e64d4d0

  • SHA256

    24cfa100803fb93e4d5e0e9cb05820295f8deea27bbf8128dd9a38a289668fa2

  • SHA512

    81aac932488e9d5c8ef63c01e83e3cd266b0c57921ed4fe540ea4481185738164094e1ecfb895653ab36563901569a5d895de1495231ea1857cf90dfe808b1e6

  • SSDEEP

    24576:MJDATpoz16vxMZsqEqcU1W+/IjuCzS1v4DuBg/pwvO:aA9oRAxMYq93QqZNdBg/x

Malware Config

Extracted

Family

ermac

C2

http://194.59.31.188/:8080

AES_key
AES_key

Targets

    • Target

      24cfa100803fb93e4d5e0e9cb05820295f8deea27bbf8128dd9a38a289668fa2.bin

    • Size

      914KB

    • MD5

      e054e51a4114558a0493885b15fd914d

    • SHA1

      acdff918428fa4bd7b9ea5fc8bd0bda25e64d4d0

    • SHA256

      24cfa100803fb93e4d5e0e9cb05820295f8deea27bbf8128dd9a38a289668fa2

    • SHA512

      81aac932488e9d5c8ef63c01e83e3cd266b0c57921ed4fe540ea4481185738164094e1ecfb895653ab36563901569a5d895de1495231ea1857cf90dfe808b1e6

    • SSDEEP

      24576:MJDATpoz16vxMZsqEqcU1W+/IjuCzS1v4DuBg/pwvO:aA9oRAxMYq93QqZNdBg/x

    • 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 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