General

  • Target

    a4c93a0772eb6d7eec013cf3fd1564fc4deb237e28a529fdae9a63a3a2e72154.bin

  • Size

    2.7MB

  • Sample

    250115-1x2wxsxrel

  • MD5

    65c22c98d1543d3427c592352b04014a

  • SHA1

    222c737b06973fa5861a9048bfce6f63de7444c3

  • SHA256

    a4c93a0772eb6d7eec013cf3fd1564fc4deb237e28a529fdae9a63a3a2e72154

  • SHA512

    578c29a6096ec9588dfe655cf137d72945f7e31763b8106ecd3381c5732293cd2a4639445bd89fef62d908fcccbccfc6aaf9171da2491bbc79e35a700b62f43d

  • SSDEEP

    49152:KFmU6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQQ:KFmUFjEI4iZaUzYH99yIN

Malware Config

Extracted

Family

octo

C2

https://87.121.86.196:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://87.121.86.196:7117/gate/

AES_key

Targets

    • Target

      a4c93a0772eb6d7eec013cf3fd1564fc4deb237e28a529fdae9a63a3a2e72154.bin

    • Size

      2.7MB

    • MD5

      65c22c98d1543d3427c592352b04014a

    • SHA1

      222c737b06973fa5861a9048bfce6f63de7444c3

    • SHA256

      a4c93a0772eb6d7eec013cf3fd1564fc4deb237e28a529fdae9a63a3a2e72154

    • SHA512

      578c29a6096ec9588dfe655cf137d72945f7e31763b8106ecd3381c5732293cd2a4639445bd89fef62d908fcccbccfc6aaf9171da2491bbc79e35a700b62f43d

    • SSDEEP

      49152:KFmU6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQQ:KFmUFjEI4iZaUzYH99yIN

    • 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