General

  • Target

    b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.bin

  • Size

    2.4MB

  • Sample

    250120-1xk86s1pcn

  • MD5

    882e4afa7cc6a2041c4928d57b519806

  • SHA1

    c672e3c1aaea2b88ab68d72add0b16a85add920d

  • SHA256

    b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0

  • SHA512

    02354cad26020c03053c900333f615b41450ace92dad9d2e979cfc15784ff36a14e4d882729563485f3275cfabd14be3e981a88f745ebcc2a7290fa78d031632

  • SSDEEP

    49152:eisP1oFHSM5Fc9c9wKyC/q0tkrFYBctFG/qbFaCFvNID25vnMySX8f9:o2FT5Mc9wKyfiQG/qbQCvNPUySK9

Malware Config

Extracted

Family

octo

C2

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

rc4.plain

Extracted

Family

octo

C2

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

AES_key

Targets

    • Target

      b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.bin

    • Size

      2.4MB

    • MD5

      882e4afa7cc6a2041c4928d57b519806

    • SHA1

      c672e3c1aaea2b88ab68d72add0b16a85add920d

    • SHA256

      b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0

    • SHA512

      02354cad26020c03053c900333f615b41450ace92dad9d2e979cfc15784ff36a14e4d882729563485f3275cfabd14be3e981a88f745ebcc2a7290fa78d031632

    • SSDEEP

      49152:eisP1oFHSM5Fc9c9wKyC/q0tkrFYBctFG/qbFaCFvNID25vnMySX8f9:o2FT5Mc9wKyfiQG/qbQCvNPUySK9

    • Octo

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

    • Octo family

    • Octo payload

    • 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