General

  • Target

    8cba71e34172d892fb385665793badf01431caa8b4ee9d3797f3d540e8b6a7d8.bin

  • Size

    1.6MB

  • Sample

    240730-1ww92svhka

  • MD5

    383bb4f36db9f615a8f0e1353cefecb5

  • SHA1

    39c828049f950071308f4a819da90baff603b93e

  • SHA256

    8cba71e34172d892fb385665793badf01431caa8b4ee9d3797f3d540e8b6a7d8

  • SHA512

    6153bb964156732ddbb0590c0b656c6306e00c7c4008a1bc94bd0f84ea63ab19009e80ea0bd22d59177273d0430ae2892680b451a7590f385017492a430a654b

  • SSDEEP

    24576:Zy4wM3KvSUZ9G8HqLxUtAsf65901GoHpqmJdzjnP1H/bJuADq8HXME+CI4a:Y0KNZ0wqL+Jf09+GoHp7JdzjntTEkk

Malware Config

Extracted

Family

octo

C2

https://5biribizidurdursun2645.net/YmQ3ZGNjZGFiZDlj/

https://biribizid7urdursun2645.net/YmQ3ZGNjZGFiZDlj/

https://biribiz9idurdursun2645.net/YmQ3ZGNjZGFiZDlj/

https://75biribizidurdursun2645.net/YmQ3ZGNjZGFiZDlj/

https://b2iribizid7urdursun2645.net/YmQ3ZGNjZGFiZDlj/

https://bi88ribiz9idurdursun2645.net/YmQ3ZGNjZGFiZDlj/

AES_key

Targets

    • Target

      8cba71e34172d892fb385665793badf01431caa8b4ee9d3797f3d540e8b6a7d8.bin

    • Size

      1.6MB

    • MD5

      383bb4f36db9f615a8f0e1353cefecb5

    • SHA1

      39c828049f950071308f4a819da90baff603b93e

    • SHA256

      8cba71e34172d892fb385665793badf01431caa8b4ee9d3797f3d540e8b6a7d8

    • SHA512

      6153bb964156732ddbb0590c0b656c6306e00c7c4008a1bc94bd0f84ea63ab19009e80ea0bd22d59177273d0430ae2892680b451a7590f385017492a430a654b

    • SSDEEP

      24576:Zy4wM3KvSUZ9G8HqLxUtAsf65901GoHpqmJdzjnP1H/bJuADq8HXME+CI4a:Y0KNZ0wqL+Jf09+GoHp7JdzjntTEkk

    • 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.

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • 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