General

  • Target

    b242ea3cc79c0291f345792230247c634381dbda2c3fcfdacf1d840fb14e2f99.bin

  • Size

    904KB

  • Sample

    250310-1w6tgszzgt

  • MD5

    5b22e5e8fdd851ebf30dde9e138befd2

  • SHA1

    20212f61bd18477d83e70bcafb7bbd9f5d344ed5

  • SHA256

    b242ea3cc79c0291f345792230247c634381dbda2c3fcfdacf1d840fb14e2f99

  • SHA512

    246ac7c18c1b13243f1713152a8f8a73a322193e4a65815e88c92f2d75a288de59ad1d63596c7a9713fbe0d7fc6c5a00f37064282a0b87c0609f5637bd98b012

  • SSDEEP

    24576:lg/eL5OJymcxx57w4xZS3mts9120MLp45la:lg/NJyh57hxZWnMtv

Malware Config

Extracted

Family

ermac

C2

http://45.92.1.37

AES_key
AES_key

Targets

    • Target

      b242ea3cc79c0291f345792230247c634381dbda2c3fcfdacf1d840fb14e2f99.bin

    • Size

      904KB

    • MD5

      5b22e5e8fdd851ebf30dde9e138befd2

    • SHA1

      20212f61bd18477d83e70bcafb7bbd9f5d344ed5

    • SHA256

      b242ea3cc79c0291f345792230247c634381dbda2c3fcfdacf1d840fb14e2f99

    • SHA512

      246ac7c18c1b13243f1713152a8f8a73a322193e4a65815e88c92f2d75a288de59ad1d63596c7a9713fbe0d7fc6c5a00f37064282a0b87c0609f5637bd98b012

    • SSDEEP

      24576:lg/eL5OJymcxx57w4xZS3mts9120MLp45la:lg/NJyh57hxZWnMtv

    • 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