General

  • Target

    504cf0b50a59ea8f247491e3d176dfb665e39bd1dbc60a4eefbc330d6a4cf0af

  • Size

    6.6MB

  • Sample

    250321-wtawtavwfs

  • MD5

    352555b379fa5312415fdf0839ab7aa1

  • SHA1

    aaa42c72790e109d604530643e5bcbfe85328e28

  • SHA256

    504cf0b50a59ea8f247491e3d176dfb665e39bd1dbc60a4eefbc330d6a4cf0af

  • SHA512

    ff3f3b8fe62d493aa2ce5f3a539a7d8b037995896516604b50a8b52436158a7c6c3554fc1f74819cd3513f39e35121808a2ab39872d1c55caefa12ac269d9a0d

  • SSDEEP

    98304:g5iSRGyqRsk1642+c3XRVKpHINjEYCXJdlbWvxaNff+:griRqR3XRUm/Gyvww

Malware Config

Extracted

Family

octo

AES_key
AES_key
AES_key
AES_key

Targets

    • Target

      504cf0b50a59ea8f247491e3d176dfb665e39bd1dbc60a4eefbc330d6a4cf0af

    • Size

      6.6MB

    • MD5

      352555b379fa5312415fdf0839ab7aa1

    • SHA1

      aaa42c72790e109d604530643e5bcbfe85328e28

    • SHA256

      504cf0b50a59ea8f247491e3d176dfb665e39bd1dbc60a4eefbc330d6a4cf0af

    • SHA512

      ff3f3b8fe62d493aa2ce5f3a539a7d8b037995896516604b50a8b52436158a7c6c3554fc1f74819cd3513f39e35121808a2ab39872d1c55caefa12ac269d9a0d

    • SSDEEP

      98304:g5iSRGyqRsk1642+c3XRVKpHINjEYCXJdlbWvxaNff+:griRqR3XRUm/Gyvww

    • 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.

    • Queries the mobile country code (MCC)

    • Queries the unique device ID (IMEI, MEID, IMSI)

    • Reads information about phone network operator.

    • Requests enabling of the accessibility settings.

MITRE ATT&CK Mobile v15

Tasks