General

  • Target

    b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5.apk

  • Size

    2.4MB

  • Sample

    241208-c43vsstkbl

  • MD5

    273e8b0b7ce82c0caa5a88b6d1d2001f

  • SHA1

    878e5ca6d7ae43c4451c04a2aa86c45ca3eafea0

  • SHA256

    b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5

  • SHA512

    2df7e2ab652e31429466ef96167efd452bcf898f8ccd07cb89c00762060b873ba3402796657ed9b21cd7c5e854149dc57ba8281abc034d7f34ea23c5b42ae7b6

  • SSDEEP

    49152:CRzMQJ8wIbQmAHM0FJOd6lJu+wGqvs6PnR0rlSMI1Fdy8ZOu1:2d8lQmALFJOLVdnCS71Fdy8ZOu1

Malware Config

Extracted

Family

octo

C2

https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/

rc4.plain

Extracted

Family

octo

C2

https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://934437453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://7894437453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/

https://8774437453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/

https://5564237453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/

https://661544537453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/

AES_key

Targets

    • Target

      b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5.apk

    • Size

      2.4MB

    • MD5

      273e8b0b7ce82c0caa5a88b6d1d2001f

    • SHA1

      878e5ca6d7ae43c4451c04a2aa86c45ca3eafea0

    • SHA256

      b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5

    • SHA512

      2df7e2ab652e31429466ef96167efd452bcf898f8ccd07cb89c00762060b873ba3402796657ed9b21cd7c5e854149dc57ba8281abc034d7f34ea23c5b42ae7b6

    • SSDEEP

      49152:CRzMQJ8wIbQmAHM0FJOd6lJu+wGqvs6PnR0rlSMI1Fdy8ZOu1:2d8lQmALFJOLVdnCS71Fdy8ZOu1

    • 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