General

  • Target

    f8e26bf9a273727aa2bfc897f8cc8c3d48b49363ab2acb1b776eadeb7c89c1ee.bin

  • Size

    541KB

  • Sample

    240830-1wt5payalc

  • MD5

    d378850e8523241c0106b45e54c0fdce

  • SHA1

    a001014b5004ad0fffb33c60dfd00d776a0b7da4

  • SHA256

    f8e26bf9a273727aa2bfc897f8cc8c3d48b49363ab2acb1b776eadeb7c89c1ee

  • SHA512

    2f5f3a4e8697e58ccecc97f49196f82d41b3a1f25545112f7136ef71f903b0030f950af1a12c3fb13e5fd18825647c039cc8222d53c99707d7cad450e3a1f508

  • SSDEEP

    12288:VplH4eqT4/Fxn9/9yXUp1gJGP1p7q8j9TYOJ03GSfF0dFqxRpqH7s:VnYx4/Fxn9/cXgx1p+8j9TYOa3ZfFswX

Malware Config

Extracted

Family

octo

C2

https://biribizidurdursunn1.com/YTFlMzViNjNiNWM3/

https://biribizidurdursunn2.com/YTFlMzViNjNiNWM3/

https://biribizidurdursunn3.com/YTFlMzViNjNiNWM3/

https://biribizidurdursunn4.com/YTFlMzViNjNiNWM3/

rc4.plain

Extracted

Family

octo

C2

https://biribizidurdursunn1.com/YTFlMzViNjNiNWM3/

https://biribizidurdursunn2.com/YTFlMzViNjNiNWM3/

https://biribizidurdursunn3.com/YTFlMzViNjNiNWM3/

https://biribizidurdursunn4.com/YTFlMzViNjNiNWM3/

AES_key

Targets

    • Target

      f8e26bf9a273727aa2bfc897f8cc8c3d48b49363ab2acb1b776eadeb7c89c1ee.bin

    • Size

      541KB

    • MD5

      d378850e8523241c0106b45e54c0fdce

    • SHA1

      a001014b5004ad0fffb33c60dfd00d776a0b7da4

    • SHA256

      f8e26bf9a273727aa2bfc897f8cc8c3d48b49363ab2acb1b776eadeb7c89c1ee

    • SHA512

      2f5f3a4e8697e58ccecc97f49196f82d41b3a1f25545112f7136ef71f903b0030f950af1a12c3fb13e5fd18825647c039cc8222d53c99707d7cad450e3a1f508

    • SSDEEP

      12288:VplH4eqT4/Fxn9/9yXUp1gJGP1p7q8j9TYOJ03GSfF0dFqxRpqH7s:VnYx4/Fxn9/cXgx1p+8j9TYOa3ZfFswX

    • 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.

    • 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).

MITRE ATT&CK Mobile v15

Tasks