General

  • Target

    7a3bfd367a66e2ad2779f04ebfb7e565b777b31bf96dc6fb4df4043ab1df9ace.bin

  • Size

    661KB

  • Sample

    230927-1xjqcaee5x

  • MD5

    3856919e570d52c891995e8c7dbbf1b9

  • SHA1

    f093add2e13b8f9472f38ee041e8b73b953818f0

  • SHA256

    7a3bfd367a66e2ad2779f04ebfb7e565b777b31bf96dc6fb4df4043ab1df9ace

  • SHA512

    d4f14827a499d1c16ea9cc92ab106ba460ade82f6196d7b5a2e0c7fb5e3fa449c3413d2e99cd6da4968301180bce88321fff9c5eed584c030cdd03cfb86728ca

  • SSDEEP

    12288:dTRc4Xb/Jtgkp4S9CeyPbBsg/PTDjclF8JqMSOk1S2CpehCOYIBodw3xqrDTLHd:dzbLgkp46CeazclF8OpQ23w1whql

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

      7a3bfd367a66e2ad2779f04ebfb7e565b777b31bf96dc6fb4df4043ab1df9ace.bin

    • Size

      661KB

    • MD5

      3856919e570d52c891995e8c7dbbf1b9

    • SHA1

      f093add2e13b8f9472f38ee041e8b73b953818f0

    • SHA256

      7a3bfd367a66e2ad2779f04ebfb7e565b777b31bf96dc6fb4df4043ab1df9ace

    • SHA512

      d4f14827a499d1c16ea9cc92ab106ba460ade82f6196d7b5a2e0c7fb5e3fa449c3413d2e99cd6da4968301180bce88321fff9c5eed584c030cdd03cfb86728ca

    • SSDEEP

      12288:dTRc4Xb/Jtgkp4S9CeyPbBsg/PTDjclF8JqMSOk1S2CpehCOYIBodw3xqrDTLHd:dzbLgkp46CeazclF8OpQ23w1whql

    • 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