General

  • Target

    70d1b9783c5d550cbea31c84bfac9a8fc34a74b35ca45d366e78dcd8c674aaf6.bin

  • Size

    2.7MB

  • Sample

    241202-1zwgxs1mem

  • MD5

    55187cb007dd28ab21fbcb5471bcce24

  • SHA1

    ed095b55069d8ace2ac2004aa4a0f72678505e56

  • SHA256

    70d1b9783c5d550cbea31c84bfac9a8fc34a74b35ca45d366e78dcd8c674aaf6

  • SHA512

    cc5b810f66d3e2c1186c70058920ccfa21872456ba03dd4224eb84368ac549cc0420e6e056bddddf03eba493ab55f05abe0cd8470ff276303c58e4650552aec9

  • SSDEEP

    49152:B86Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQT:yFjEI4iZaUzYH99yIQ

Malware Config

Extracted

Family

octo

C2

https://178.215.224.87:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://178.215.224.87:7117/gate/

AES_key

Targets

    • Target

      70d1b9783c5d550cbea31c84bfac9a8fc34a74b35ca45d366e78dcd8c674aaf6.bin

    • Size

      2.7MB

    • MD5

      55187cb007dd28ab21fbcb5471bcce24

    • SHA1

      ed095b55069d8ace2ac2004aa4a0f72678505e56

    • SHA256

      70d1b9783c5d550cbea31c84bfac9a8fc34a74b35ca45d366e78dcd8c674aaf6

    • SHA512

      cc5b810f66d3e2c1186c70058920ccfa21872456ba03dd4224eb84368ac549cc0420e6e056bddddf03eba493ab55f05abe0cd8470ff276303c58e4650552aec9

    • SSDEEP

      49152:B86Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQT:yFjEI4iZaUzYH99yIQ

    • 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