General

  • Target

    5776b581d000fcd48a5009ebe34b4d2da9749ce8d72e524bc1fd45b41a77f91f.bin

  • Size

    561KB

  • Sample

    241102-1zm6jsxakc

  • MD5

    20785e8c4d99d0611dc3b81caecb3f11

  • SHA1

    574c607dd0a7ffc5f8d8bae128f33d7fddbaf2bf

  • SHA256

    5776b581d000fcd48a5009ebe34b4d2da9749ce8d72e524bc1fd45b41a77f91f

  • SHA512

    7e49d0554f68018ed0e2e1e13e3b70e252c1eaec106c1dd6227f4d542f95d45accdfafb564cfa62625f0657fc6c0fec42a3dff17e5ae5041b3608fb38d540ff0

  • SSDEEP

    12288:7GoZoRUGyYyUhskHcDgRmFnjHZYq8IyYKkgHAuJlfL+td:7GoZoRUuth3HXRmdj6oYXg2lfQd

Malware Config

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

AES_key

Targets

    • Target

      5776b581d000fcd48a5009ebe34b4d2da9749ce8d72e524bc1fd45b41a77f91f.bin

    • Size

      561KB

    • MD5

      20785e8c4d99d0611dc3b81caecb3f11

    • SHA1

      574c607dd0a7ffc5f8d8bae128f33d7fddbaf2bf

    • SHA256

      5776b581d000fcd48a5009ebe34b4d2da9749ce8d72e524bc1fd45b41a77f91f

    • SHA512

      7e49d0554f68018ed0e2e1e13e3b70e252c1eaec106c1dd6227f4d542f95d45accdfafb564cfa62625f0657fc6c0fec42a3dff17e5ae5041b3608fb38d540ff0

    • SSDEEP

      12288:7GoZoRUGyYyUhskHcDgRmFnjHZYq8IyYKkgHAuJlfL+td:7GoZoRUuth3HXRmdj6oYXg2lfQd

    • 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).

    • Requests modifying system settings.

MITRE ATT&CK Mobile v15

Tasks