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General

  • Target

    a101df1f26f0f95578e2f45666c28f6342e307a8d2c3060962b33313588cc3e2.bin

  • Size

    2.7MB

  • Sample

    241108-2bfbga1dna

  • MD5

    78ce3186af12355806450205d1058fd5

  • SHA1

    204c86232e713340267f763f65d583ceb903987b

  • SHA256

    a101df1f26f0f95578e2f45666c28f6342e307a8d2c3060962b33313588cc3e2

  • SHA512

    faa6ab29bad5afe860f2ecad807138cfab25a5cc23f967b9daa8c7d6b342e8f56eaa78fad792c6191848eb6650d6f30a7355674d8a86046fb3a328d8f866df2a

  • SSDEEP

    49152:7wg6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQM:7ZFjEI4iZaUzYH99yIF

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

      a101df1f26f0f95578e2f45666c28f6342e307a8d2c3060962b33313588cc3e2.bin

    • Size

      2.7MB

    • MD5

      78ce3186af12355806450205d1058fd5

    • SHA1

      204c86232e713340267f763f65d583ceb903987b

    • SHA256

      a101df1f26f0f95578e2f45666c28f6342e307a8d2c3060962b33313588cc3e2

    • SHA512

      faa6ab29bad5afe860f2ecad807138cfab25a5cc23f967b9daa8c7d6b342e8f56eaa78fad792c6191848eb6650d6f30a7355674d8a86046fb3a328d8f866df2a

    • SSDEEP

      49152:7wg6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQM:7ZFjEI4iZaUzYH99yIF

    • 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