General

  • Target

    f909ba1ff478ebe5af3f1a56b994b51f1877c34204418037653e45a7eff846be.bin

  • Size

    509KB

  • Sample

    240816-1wmqlszclc

  • MD5

    9db815030b6353e2309c899c737b1254

  • SHA1

    27bc24ff9419b53411365542f9a06160fa7683b0

  • SHA256

    f909ba1ff478ebe5af3f1a56b994b51f1877c34204418037653e45a7eff846be

  • SHA512

    94d181068b2c478dde812c0219902d2c9bb059139b25558a66e81af40dd77470dc8f4b80097c0af77de1b72f59b7493b17aa8cda937c215dea10b34202810562

  • SSDEEP

    12288:buf3WYlLZ/8cDdxGWY/nro5XL1UEV10AE2dPqenn:af3WYlLH5Q/uXZU1ZQbnn

Malware Config

Extracted

Family

octo

C2

https://kesmecekarpuz.site/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz145.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz878.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz5446.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz8455.com/NGE2Y2RjYjdmYjg3/

rc4.plain

Extracted

Family

octo

C2

https://kesmecekarpuz.site/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz145.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz878.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz5446.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz8455.com/NGE2Y2RjYjdmYjg3/

AES_key

Targets

    • Target

      f909ba1ff478ebe5af3f1a56b994b51f1877c34204418037653e45a7eff846be.bin

    • Size

      509KB

    • MD5

      9db815030b6353e2309c899c737b1254

    • SHA1

      27bc24ff9419b53411365542f9a06160fa7683b0

    • SHA256

      f909ba1ff478ebe5af3f1a56b994b51f1877c34204418037653e45a7eff846be

    • SHA512

      94d181068b2c478dde812c0219902d2c9bb059139b25558a66e81af40dd77470dc8f4b80097c0af77de1b72f59b7493b17aa8cda937c215dea10b34202810562

    • SSDEEP

      12288:buf3WYlLZ/8cDdxGWY/nro5XL1UEV10AE2dPqenn:af3WYlLH5Q/uXZU1ZQbnn

    • 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).

    • Requests modifying system settings.

MITRE ATT&CK Mobile v15

Tasks