General

  • Target

    5df28198041f8cfcd392d60e875f0b606d2115d4bcee9ca827fb313e6a8a7186.bin

  • Size

    914KB

  • Sample

    241019-15vskstgqp

  • MD5

    f7b6c814eb20717f22b867ae2a7fbfcc

  • SHA1

    87f2990c105ef03c73ab0719b95809ef5776a74b

  • SHA256

    5df28198041f8cfcd392d60e875f0b606d2115d4bcee9ca827fb313e6a8a7186

  • SHA512

    6c3c98e9c01c24339815019f86c669d99271e3cb77747129fb67832566d8fc3b775fa7e681d4792e64c99550d4c4e482ccc563952b909d4985497b8cc0f6939c

  • SSDEEP

    24576:6AHVNsExZ+2nld4yd8gJKk0+d072pcBnT:6AH0oTldfnA+aKSx

Malware Config

Extracted

Family

ermac

C2

http://154.216.18.241:3434

AES_key
AES_key

Targets

    • Target

      5df28198041f8cfcd392d60e875f0b606d2115d4bcee9ca827fb313e6a8a7186.bin

    • Size

      914KB

    • MD5

      f7b6c814eb20717f22b867ae2a7fbfcc

    • SHA1

      87f2990c105ef03c73ab0719b95809ef5776a74b

    • SHA256

      5df28198041f8cfcd392d60e875f0b606d2115d4bcee9ca827fb313e6a8a7186

    • SHA512

      6c3c98e9c01c24339815019f86c669d99271e3cb77747129fb67832566d8fc3b775fa7e681d4792e64c99550d4c4e482ccc563952b909d4985497b8cc0f6939c

    • SSDEEP

      24576:6AHVNsExZ+2nld4yd8gJKk0+d072pcBnT:6AH0oTldfnA+aKSx

    • Ermac

      An Android banking trojan first seen in July 2021.

    • Ermac2 payload

    • Removes its main activity from the application launcher

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • 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 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