General

  • Target

    bae8e8547bd334de011f07c338aaed16d134f7e9f70f4cfd562bfc62a944e5bf.bin

  • Size

    256KB

  • Sample

    241130-12ks7swrhw

  • MD5

    4ee277a510ecd1635eb5a08551f29951

  • SHA1

    36a2d622862f5794904cafb16b17051966241a24

  • SHA256

    bae8e8547bd334de011f07c338aaed16d134f7e9f70f4cfd562bfc62a944e5bf

  • SHA512

    e536f17849498be13869367642e0674079f4ab4dbf321577fed6bc5b2a68bb807973b220079b4d219404f31bfaf3f2718804feb97428cc76685727b9aeabcccf

  • SSDEEP

    6144:st0A4g8fsuojKDVoJfEPY10ShOEJrWSw85eWBc1l1zg8:ng6EyV6MP9e1Z58l1zg8

Malware Config

Extracted

Family

octo

C2

https://154.216.16.134:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://154.216.16.134:7117/gate/

AES_key

Targets

    • Target

      bae8e8547bd334de011f07c338aaed16d134f7e9f70f4cfd562bfc62a944e5bf.bin

    • Size

      256KB

    • MD5

      4ee277a510ecd1635eb5a08551f29951

    • SHA1

      36a2d622862f5794904cafb16b17051966241a24

    • SHA256

      bae8e8547bd334de011f07c338aaed16d134f7e9f70f4cfd562bfc62a944e5bf

    • SHA512

      e536f17849498be13869367642e0674079f4ab4dbf321577fed6bc5b2a68bb807973b220079b4d219404f31bfaf3f2718804feb97428cc76685727b9aeabcccf

    • SSDEEP

      6144:st0A4g8fsuojKDVoJfEPY10ShOEJrWSw85eWBc1l1zg8:ng6EyV6MP9e1Z58l1zg8

    • 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.

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • 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