General

  • Target

    34bb8a7d5e72a822ab40ac02ef35abddfb5374476bb67d495b5d78614434eb18.bin

  • Size

    561KB

  • Sample

    241029-1yrgksskcn

  • MD5

    a3537562d28e56a918bc42b4a4f68031

  • SHA1

    cb8a14341e15e061ae5845f05a3110b5557fd387

  • SHA256

    34bb8a7d5e72a822ab40ac02ef35abddfb5374476bb67d495b5d78614434eb18

  • SHA512

    a1c8ea2feb4f8725d814e6c02f79d837f85a525ede58893f58f62c8da7eb724efa8dbf377891382d1c9e2c71fb82d125b19089b9ec4571dba032a76481fc1b4f

  • SSDEEP

    12288:9RachU/0qMAbFuEBfr/HtSuzJZxV/taK8IXooT8nR345+thpgMCVRsK2:9RachU/qAbFNdHzJLV/1x468Ro5+thpX

Malware Config

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

C2

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

AES_key

Targets

    • Target

      34bb8a7d5e72a822ab40ac02ef35abddfb5374476bb67d495b5d78614434eb18.bin

    • Size

      561KB

    • MD5

      a3537562d28e56a918bc42b4a4f68031

    • SHA1

      cb8a14341e15e061ae5845f05a3110b5557fd387

    • SHA256

      34bb8a7d5e72a822ab40ac02ef35abddfb5374476bb67d495b5d78614434eb18

    • SHA512

      a1c8ea2feb4f8725d814e6c02f79d837f85a525ede58893f58f62c8da7eb724efa8dbf377891382d1c9e2c71fb82d125b19089b9ec4571dba032a76481fc1b4f

    • SSDEEP

      12288:9RachU/0qMAbFuEBfr/HtSuzJZxV/taK8IXooT8nR345+thpgMCVRsK2:9RachU/qAbFNdHzJLV/1x468Ro5+thpX

    • 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.

    • 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