Resubmissions

07-12-2024 15:52

241207-tbjd5a1qgp 10

07-12-2024 15:51

241207-taflva1qfk 10

07-12-2024 15:37

241207-s2f61s1pgr 10

General

  • Target

    Chrome.apk

  • Size

    2.7MB

  • Sample

    241207-tbjd5a1qgp

  • MD5

    18fe6848486459e32a76d86aa0da01ba

  • SHA1

    145aa6c9d0213442ee687659b451a8438b6aa62b

  • SHA256

    1f4dae725abe9c1177dcd654f9cc3f288324925b1ed07fac2914f1bc8804b09e

  • SHA512

    f087f02a026852f87f2d12a85483557cabc4a2f7d4bfe9ef93b1f98cf6980e74bb448a0d32c1a6350c9226799de946ec8e5257f35446e3ff69549abe2b53e62d

  • SSDEEP

    49152:5UzN6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQ/:52FjEI4iZaUzYH99yI2

Malware Config

Extracted

Family

octo

C2

https://87.120.114.189:7117/gate/

rc4.plain

Extracted

Family

octo

C2

https://87.120.114.189:7117/gate/

AES_key

Targets

    • Target

      Chrome.apk

    • Size

      2.7MB

    • MD5

      18fe6848486459e32a76d86aa0da01ba

    • SHA1

      145aa6c9d0213442ee687659b451a8438b6aa62b

    • SHA256

      1f4dae725abe9c1177dcd654f9cc3f288324925b1ed07fac2914f1bc8804b09e

    • SHA512

      f087f02a026852f87f2d12a85483557cabc4a2f7d4bfe9ef93b1f98cf6980e74bb448a0d32c1a6350c9226799de946ec8e5257f35446e3ff69549abe2b53e62d

    • SSDEEP

      49152:5UzN6Kjcf1ObPyI4trAm8a8KLGBHzFOTkCMmn6U9BrVT9mDl8r601sS8IQ/:52FjEI4iZaUzYH99yI2

    • 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