General

  • Target

    6b542b2a8189aeb5acba1129b9b4a43dc8689dfc67668300c9e2a9b296def81c.bin

  • Size

    2.7MB

  • Sample

    241108-16kn1a1dnm

  • MD5

    bd3261ccfb7278e2cba3ab36a7fb644f

  • SHA1

    4242f380eb1b485abe9338be1cde908a87d65018

  • SHA256

    6b542b2a8189aeb5acba1129b9b4a43dc8689dfc67668300c9e2a9b296def81c

  • SHA512

    6eb2474f9eb12556e0eb57ab05bd83e9f6060713a1b7903a201abedf3a89c5dc8bd4807df29accf28ebc866d8471299c19373b5f3c4087a91847b1bfbe526211

  • SSDEEP

    49152:7wg6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQP:7ZFjEI4iZaUzYH99yIa

Malware Config

Extracted

Family

octo

C2

https://31.13.224.141:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://31.13.224.141:7117/gate/

AES_key

Targets

    • Target

      6b542b2a8189aeb5acba1129b9b4a43dc8689dfc67668300c9e2a9b296def81c.bin

    • Size

      2.7MB

    • MD5

      bd3261ccfb7278e2cba3ab36a7fb644f

    • SHA1

      4242f380eb1b485abe9338be1cde908a87d65018

    • SHA256

      6b542b2a8189aeb5acba1129b9b4a43dc8689dfc67668300c9e2a9b296def81c

    • SHA512

      6eb2474f9eb12556e0eb57ab05bd83e9f6060713a1b7903a201abedf3a89c5dc8bd4807df29accf28ebc866d8471299c19373b5f3c4087a91847b1bfbe526211

    • SSDEEP

      49152:7wg6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQP:7ZFjEI4iZaUzYH99yIa

    • Octo

      Octo is a banking malware with remote access capabilities first seen in April 2022.

    • Octo family

    • Removes its main activity from the application launcher

    • 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