General

  • Target

    97cd36b39202628c65df2cc4791c8599861c6afe4c4a3d2ee52fe3fc2053dcf6.bin

  • Size

    541KB

  • Sample

    241116-15nn9strc1

  • MD5

    bba7093518573eecc5c8f56891b187f0

  • SHA1

    f3fc6c461a68aa79766109afbcdbfd2487eb708e

  • SHA256

    97cd36b39202628c65df2cc4791c8599861c6afe4c4a3d2ee52fe3fc2053dcf6

  • SHA512

    49775e25996f6cc18af5f0f72f7fa32347e92526e7fe685d9c02ef5b25491442eca0c7739bb253510a0d830eaee9719a87a3ae3e18c4befed3fecdb860450fb8

  • SSDEEP

    12288:Oro/F8EZwyjLMY8Ed/fS7aKCeJEx17fc0G34atEQGv03Cex2liSnE:O8SQZLx8EdSmyJE73Q4K7SnE

Malware Config

Extracted

Family

octo

C2

https://213.109.202.154/MWMxNzg0YzJjZTVh/

https://yamacreklam232.net/MWMxNzg0YzJjZTVh/

https://y3macreklam232.net/MWMxNzg0YzJjZTVh/

https://y4macreklam232.net/MWMxNzg0YzJjZTVh/

https://y5macreklam232.net/MWMxNzg0YzJjZTVh/

https://y7macreklam232.net/MWMxNzg0YzJjZTVh/

https://y8macreklam232.net/MWMxNzg0YzJjZTVh/

rc4.plain

Extracted

Family

octo

C2

https://213.109.202.154/MWMxNzg0YzJjZTVh/

https://yamacreklam232.net/MWMxNzg0YzJjZTVh/

https://y3macreklam232.net/MWMxNzg0YzJjZTVh/

https://y4macreklam232.net/MWMxNzg0YzJjZTVh/

https://y5macreklam232.net/MWMxNzg0YzJjZTVh/

https://y7macreklam232.net/MWMxNzg0YzJjZTVh/

https://y8macreklam232.net/MWMxNzg0YzJjZTVh/

AES_key

Targets

    • Target

      97cd36b39202628c65df2cc4791c8599861c6afe4c4a3d2ee52fe3fc2053dcf6.bin

    • Size

      541KB

    • MD5

      bba7093518573eecc5c8f56891b187f0

    • SHA1

      f3fc6c461a68aa79766109afbcdbfd2487eb708e

    • SHA256

      97cd36b39202628c65df2cc4791c8599861c6afe4c4a3d2ee52fe3fc2053dcf6

    • SHA512

      49775e25996f6cc18af5f0f72f7fa32347e92526e7fe685d9c02ef5b25491442eca0c7739bb253510a0d830eaee9719a87a3ae3e18c4befed3fecdb860450fb8

    • SSDEEP

      12288:Oro/F8EZwyjLMY8Ed/fS7aKCeJEx17fc0G34atEQGv03Cex2liSnE:O8SQZLx8EdSmyJE73Q4K7SnE

    • Octo

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

    • Octo family

    • Octo 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.

    • 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).

MITRE ATT&CK Mobile v15

Tasks