General

  • Target

    5cb436615a10b52bac25745116b344326dd9c4f3c7bd4e7e2275217ec7b1fa9d.bin

  • Size

    2.4MB

  • Sample

    241116-1wvffsynck

  • MD5

    eb5669691a787692f0c0a5ee9a5ff64c

  • SHA1

    98dd776f5f781a244b4229ae45c848b8075eb332

  • SHA256

    5cb436615a10b52bac25745116b344326dd9c4f3c7bd4e7e2275217ec7b1fa9d

  • SHA512

    49436ab0c001efb18614e2d018639e865f8172fd7186824fe40167a8b7990a5326440cdabeda73998faf6a3dced4a3195be4a3faa5860b3569db2997966b5f8b

  • SSDEEP

    49152:Blpg7cLyNu+Z8ftUjx6Ydx9rvMfQVz38qNJugEtXbf0PncX2B/aMqe5:9dyNNZYtgN9w43zum0X0aQ

Malware Config

Extracted

Family

octo

C2

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

C2

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

AES_key

Targets

    • Target

      5cb436615a10b52bac25745116b344326dd9c4f3c7bd4e7e2275217ec7b1fa9d.bin

    • Size

      2.4MB

    • MD5

      eb5669691a787692f0c0a5ee9a5ff64c

    • SHA1

      98dd776f5f781a244b4229ae45c848b8075eb332

    • SHA256

      5cb436615a10b52bac25745116b344326dd9c4f3c7bd4e7e2275217ec7b1fa9d

    • SHA512

      49436ab0c001efb18614e2d018639e865f8172fd7186824fe40167a8b7990a5326440cdabeda73998faf6a3dced4a3195be4a3faa5860b3569db2997966b5f8b

    • SSDEEP

      49152:Blpg7cLyNu+Z8ftUjx6Ydx9rvMfQVz38qNJugEtXbf0PncX2B/aMqe5:9dyNNZYtgN9w43zum0X0aQ

    • 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