General

  • Target

    3797a11be0590ab2a5420501672263d784f7019bd9aae7d3c15931e21af0225c.bin

  • Size

    1.7MB

  • Sample

    241117-12n6maypez

  • MD5

    9a3b89f2fa21e9e581bbc49b8766e7c4

  • SHA1

    1e8bd4848aa90a780371f35fb4c01d1a290310b6

  • SHA256

    3797a11be0590ab2a5420501672263d784f7019bd9aae7d3c15931e21af0225c

  • SHA512

    a01846e7089dd8d08714d04a5a176af171617dd8456c52327743def9ba6649de2241f63ba93547231190fc9c2a86af84508a436ed6c1698933063de8dd23414b

  • SSDEEP

    49152:U50wLqOv/TkCmkAIwfQAatbQ0DXs93gwbd:45L9ZmXH8DX6d

Malware Config

Extracted

Family

octo

C2

https://barabara2e1.me/ZWU1ZTRhMzU1Zjdi/

rc4.plain

Extracted

Family

octo

C2

https://barabara2e1.me/ZWU1ZTRhMzU1Zjdi/

AES_key

Targets

    • Target

      3797a11be0590ab2a5420501672263d784f7019bd9aae7d3c15931e21af0225c.bin

    • Size

      1.7MB

    • MD5

      9a3b89f2fa21e9e581bbc49b8766e7c4

    • SHA1

      1e8bd4848aa90a780371f35fb4c01d1a290310b6

    • SHA256

      3797a11be0590ab2a5420501672263d784f7019bd9aae7d3c15931e21af0225c

    • SHA512

      a01846e7089dd8d08714d04a5a176af171617dd8456c52327743def9ba6649de2241f63ba93547231190fc9c2a86af84508a436ed6c1698933063de8dd23414b

    • SSDEEP

      49152:U50wLqOv/TkCmkAIwfQAatbQ0DXs93gwbd:45L9ZmXH8DX6d

    • 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