General

  • Target

    6778d265a0c104c7b339cd2ad51a933be12580126ae2651343519a041f658514.bin

  • Size

    661KB

  • Sample

    230927-1xb1hafh76

  • MD5

    4b6aa0b99fdb1f54018ac1f728f9a999

  • SHA1

    d5b8b68ebf1d9633bd5bd8e60439fb2da104bb61

  • SHA256

    6778d265a0c104c7b339cd2ad51a933be12580126ae2651343519a041f658514

  • SHA512

    126d556f1e3bf75c1640f30f02e555c9bf57c9f1f7669371805048b96ae2a224cf528f7fd720a065152a111adb36afc0c73f1df3ec62c4fccf6e1124abde4c11

  • SSDEEP

    12288:NV1GBwpOusnNw6oFdFSrcd7H1BMGJ8GG8bs2NI+ndUPlKCpehCOYIBodw3xqrDTo:Nvkusne6oFnSrEHbH7db3w1whqs

Malware Config

Extracted

Family

octo

C2

https://185.225.75.19/YjRkZjE0NTUyNzZm/

https://otakikotaik4234234.net/YjRkZjE0NTUyNzZm/

https://otakikotaik3234234.net/YjRkZjE0NTUyNzZm/

https://otakikotaik1334534.net/YjRkZjE0NTUyNzZm/

https://otakikotaik1224634.net/YjRkZjE0NTUyNzZm/

https://otakikotaik6423234.net/YjRkZjE0NTUyNzZm/

AES_key

Targets

    • Target

      6778d265a0c104c7b339cd2ad51a933be12580126ae2651343519a041f658514.bin

    • Size

      661KB

    • MD5

      4b6aa0b99fdb1f54018ac1f728f9a999

    • SHA1

      d5b8b68ebf1d9633bd5bd8e60439fb2da104bb61

    • SHA256

      6778d265a0c104c7b339cd2ad51a933be12580126ae2651343519a041f658514

    • SHA512

      126d556f1e3bf75c1640f30f02e555c9bf57c9f1f7669371805048b96ae2a224cf528f7fd720a065152a111adb36afc0c73f1df3ec62c4fccf6e1124abde4c11

    • SSDEEP

      12288:NV1GBwpOusnNw6oFdFSrcd7H1BMGJ8GG8bs2NI+ndUPlKCpehCOYIBodw3xqrDTo:Nvkusne6oFnSrEHbH7db3w1whqs

    • Octo

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

    • Octo payload

    • Makes use of the framework's Accessibility service.

    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).

    • Removes its main activity from the application launcher

    • Acquires the wake lock.

    • Loads dropped Dex/Jar

      Runs executable file dropped to the device during analysis.

    • Reads information about phone network operator.

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

    • Removes a system notification.

    • Uses Crypto APIs (Might try to encrypt user data).

MITRE ATT&CK Matrix

Tasks