General

  • Target

    9b621c24b129c0d8f63e1eda14909dd7ea29b5a34f31aebb9c8502544eee8cea.bin

  • Size

    2.7MB

  • Sample

    241017-1433kazbrg

  • MD5

    c55ff1061cbb8b078f9d3f58f857bd7e

  • SHA1

    4901c0d647ea39281805856083361a5c13f2567c

  • SHA256

    9b621c24b129c0d8f63e1eda14909dd7ea29b5a34f31aebb9c8502544eee8cea

  • SHA512

    7b3cb7936bb17a899a11433c6335ee3287f548d9315543c6f059da31d81545075f3fce2132014867d24b57724ab5a62ee2b5b8d6ade1e693a58b7d133aa1ba5e

  • SSDEEP

    49152:LYvk6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQQ:LY8FjEI4iZaUzYH99yIN

Malware Config

Extracted

Family

octo

C2

https://94.156.104.71:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://94.156.104.71:7117/gate/

AES_key

Targets

    • Target

      9b621c24b129c0d8f63e1eda14909dd7ea29b5a34f31aebb9c8502544eee8cea.bin

    • Size

      2.7MB

    • MD5

      c55ff1061cbb8b078f9d3f58f857bd7e

    • SHA1

      4901c0d647ea39281805856083361a5c13f2567c

    • SHA256

      9b621c24b129c0d8f63e1eda14909dd7ea29b5a34f31aebb9c8502544eee8cea

    • SHA512

      7b3cb7936bb17a899a11433c6335ee3287f548d9315543c6f059da31d81545075f3fce2132014867d24b57724ab5a62ee2b5b8d6ade1e693a58b7d133aa1ba5e

    • SSDEEP

      49152:LYvk6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQQ:LY8FjEI4iZaUzYH99yIN

    • Octo

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

    • 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