General

  • Target

    dd339ab742a1e4baa73da1135c94144e97c753304cd611d99f530b312cec3b00.bin

  • Size

    1018KB

  • Sample

    250222-1x5mtazkgy

  • MD5

    3144834767eceed54570dc415314e9de

  • SHA1

    223bfd1876765164f7b3749e57074a5934229f84

  • SHA256

    dd339ab742a1e4baa73da1135c94144e97c753304cd611d99f530b312cec3b00

  • SHA512

    f519ffe2e59083c3a4c4c739bd39f9a2fb7b0e848f5365958c308e7dfd3a1a2e09146e46ea4ab2f635888ef28cb8d3ab7827ab061015848c545428becceada61

  • SSDEEP

    12288:CoMbyZK5G+biuvip5RBlguC5gApVD5U+rUA5LgA4R4P4E4f4j444p454n4y/qB:CoRI5eRBlO5gSDU+rUACACYnkUfq+IbW

Malware Config

Extracted

Family

ermac

C2

http://20.199.76.181

AES_key
AES_key

Targets

    • Target

      dd339ab742a1e4baa73da1135c94144e97c753304cd611d99f530b312cec3b00.bin

    • Size

      1018KB

    • MD5

      3144834767eceed54570dc415314e9de

    • SHA1

      223bfd1876765164f7b3749e57074a5934229f84

    • SHA256

      dd339ab742a1e4baa73da1135c94144e97c753304cd611d99f530b312cec3b00

    • SHA512

      f519ffe2e59083c3a4c4c739bd39f9a2fb7b0e848f5365958c308e7dfd3a1a2e09146e46ea4ab2f635888ef28cb8d3ab7827ab061015848c545428becceada61

    • SSDEEP

      12288:CoMbyZK5G+biuvip5RBlguC5gApVD5U+rUA5LgA4R4P4E4f4j444p454n4y/qB:CoRI5eRBlO5gSDU+rUACACYnkUfq+IbW

    • 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