General

  • Target

    51ea1d72d18b198ad84c934a2857a55afbb220e4688d0c4fce44c654c469feb4.bin

  • Size

    509KB

  • Sample

    240618-17x1qaxgmf

  • MD5

    911878dab99d57bac8e03635c899e42c

  • SHA1

    a4bcdcef3bdb21b3b253091951aec281d9d92580

  • SHA256

    51ea1d72d18b198ad84c934a2857a55afbb220e4688d0c4fce44c654c469feb4

  • SHA512

    49953eb13f2695045185b4d53168028a8f0c7ab71e104c249926282fa21f945a516888861906f62d57b56c6b2cceb2db8bad10aa67c47a9895725b2ea9451f59

  • SSDEEP

    12288:RCAl/HawWbju9jVkqPamk/821dPAfKmPnJ:AkSvbjuQqg11WfjPnJ

Malware Config

Extracted

Family

octo

C2

https://biricruelidurdursunn.com/YzRmZmJjZTg1ZmVj/

https://gurcistancruell33.com/YzRmZmJjZTg1ZmVj/

https://cruelveblack32.com/YzRmZmJjZTg1ZmVj/

https://cruelgurcistandaaaa42.com/YzRmZmJjZTg1ZmVj/

https://lalagkcvagurcuuuu.com/YzRmZmJjZTg1ZmVj/

https://biricruelidurdursunloo.com/YzRmZmJjZTg1ZmVj/

AES_key

Targets

    • Target

      51ea1d72d18b198ad84c934a2857a55afbb220e4688d0c4fce44c654c469feb4.bin

    • Size

      509KB

    • MD5

      911878dab99d57bac8e03635c899e42c

    • SHA1

      a4bcdcef3bdb21b3b253091951aec281d9d92580

    • SHA256

      51ea1d72d18b198ad84c934a2857a55afbb220e4688d0c4fce44c654c469feb4

    • SHA512

      49953eb13f2695045185b4d53168028a8f0c7ab71e104c249926282fa21f945a516888861906f62d57b56c6b2cceb2db8bad10aa67c47a9895725b2ea9451f59

    • SSDEEP

      12288:RCAl/HawWbju9jVkqPamk/821dPAfKmPnJ:AkSvbjuQqg11WfjPnJ

    • Octo

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

    • 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).

    • Requests modifying system settings.

MITRE ATT&CK Matrix

Tasks