General

  • Target

    4b8446395e324f11f49b60814f4909e8fc68ee11424299b5a440d159c008a21c.bin

  • Size

    2.7MB

  • Sample

    241026-12cgtszbrh

  • MD5

    f455141e3b20c3fae77770678714108e

  • SHA1

    0e198a2d0e55a06d5447c66eadc05f398b07e884

  • SHA256

    4b8446395e324f11f49b60814f4909e8fc68ee11424299b5a440d159c008a21c

  • SHA512

    154ecf9d57c291ddbab8114ffb0693e2e5f391a747e66f1390bd43d860782ddf53f01283e8864c63f9e909d5a41209b116079aca9656c6cc9dc84c79216a5e56

  • SSDEEP

    49152:7wg6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQq:7ZFjEI4iZaUzYH99yI7

Malware Config

Extracted

Family

octo

C2

https://31.13.224.141:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://31.13.224.141:7117/gate/

AES_key

Targets

    • Target

      4b8446395e324f11f49b60814f4909e8fc68ee11424299b5a440d159c008a21c.bin

    • Size

      2.7MB

    • MD5

      f455141e3b20c3fae77770678714108e

    • SHA1

      0e198a2d0e55a06d5447c66eadc05f398b07e884

    • SHA256

      4b8446395e324f11f49b60814f4909e8fc68ee11424299b5a440d159c008a21c

    • SHA512

      154ecf9d57c291ddbab8114ffb0693e2e5f391a747e66f1390bd43d860782ddf53f01283e8864c63f9e909d5a41209b116079aca9656c6cc9dc84c79216a5e56

    • SSDEEP

      49152:7wg6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQq:7ZFjEI4iZaUzYH99yI7

    • Octo

      Octo is a banking malware with remote access capabilities first seen in April 2022.

    • Octo 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.

    • 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 accessing notifications (often used to intercept notifications before users become aware).

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

    • Requests modifying system settings.

MITRE ATT&CK Mobile v15

Tasks