General

  • Target

    45abbb4cb83b51f908bb853ecd2377a4a9c3598b2f20bfdfc93a955cc8ad80fa.apk

  • Size

    2.4MB

  • Sample

    241123-ctk71awjew

  • MD5

    e24159c21749fb072ac95b95b801ee98

  • SHA1

    e5b7f7a5bf069640c8514998ef9052dfaa32cce8

  • SHA256

    45abbb4cb83b51f908bb853ecd2377a4a9c3598b2f20bfdfc93a955cc8ad80fa

  • SHA512

    c20ad5135dbf3bc52b147d44eb8111180938a2670ab931ce87a38e14f4353a9de4d5183f793c5a0193e0fd8142644531f6b05aab84cb920835b53735b8244575

  • SSDEEP

    49152:i4pNHf+q/lsFsPtuY6F4fBgh/5yTXzqPpjDfdofX9yFzTCpEJlOyiSv:XFp+6tQ4fWgTC7dofXsVTCFyVv

Malware Config

Extracted

Family

octo

C2

https://c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://64b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://89c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b641390330721556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

rc4.plain

Extracted

Family

octo

C2

https://c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://64b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://89c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b641390330721556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

AES_key

Targets

    • Target

      45abbb4cb83b51f908bb853ecd2377a4a9c3598b2f20bfdfc93a955cc8ad80fa.apk

    • Size

      2.4MB

    • MD5

      e24159c21749fb072ac95b95b801ee98

    • SHA1

      e5b7f7a5bf069640c8514998ef9052dfaa32cce8

    • SHA256

      45abbb4cb83b51f908bb853ecd2377a4a9c3598b2f20bfdfc93a955cc8ad80fa

    • SHA512

      c20ad5135dbf3bc52b147d44eb8111180938a2670ab931ce87a38e14f4353a9de4d5183f793c5a0193e0fd8142644531f6b05aab84cb920835b53735b8244575

    • SSDEEP

      49152:i4pNHf+q/lsFsPtuY6F4fBgh/5yTXzqPpjDfdofX9yFzTCpEJlOyiSv:XFp+6tQ4fWgTC7dofXsVTCFyVv

    • 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