General

  • Target

    2b0860de70f1b0a1a37736a41c031a0ce0701b77e3fe3c72a981e3e1b1d893cb.bin

  • Size

    517KB

  • Sample

    250105-11c2zaxnbz

  • MD5

    4ba90e86b6ee1d0147e60b91317ab1ee

  • SHA1

    de9c15d898a48d987843f5e82c2e8ac9740b7423

  • SHA256

    2b0860de70f1b0a1a37736a41c031a0ce0701b77e3fe3c72a981e3e1b1d893cb

  • SHA512

    dc464b07e1a643a46bcf9f8f75bae32d8c26551a3e84e4b40281e43309e902a38294fdab4fa942abe0cdf293e0ec428c029748b67d7e8b6a4bea91e2fcf8a437

  • SSDEEP

    12288:SR5fg71waO72T+703D13xvRTzWXf3UYqQ50dWNXRjKTKnP:S7j7I+gxVCNKWNXRvnP

Malware Config

Extracted

Family

octo

C2

https://185.161.248.142/MTU2OWE0NzJjNGY5/

rc4.plain

Extracted

Family

octo

C2

https://185.161.248.142/MTU2OWE0NzJjNGY5/

AES_key

Targets

    • Target

      2b0860de70f1b0a1a37736a41c031a0ce0701b77e3fe3c72a981e3e1b1d893cb.bin

    • Size

      517KB

    • MD5

      4ba90e86b6ee1d0147e60b91317ab1ee

    • SHA1

      de9c15d898a48d987843f5e82c2e8ac9740b7423

    • SHA256

      2b0860de70f1b0a1a37736a41c031a0ce0701b77e3fe3c72a981e3e1b1d893cb

    • SHA512

      dc464b07e1a643a46bcf9f8f75bae32d8c26551a3e84e4b40281e43309e902a38294fdab4fa942abe0cdf293e0ec428c029748b67d7e8b6a4bea91e2fcf8a437

    • SSDEEP

      12288:SR5fg71waO72T+703D13xvRTzWXf3UYqQ50dWNXRjKTKnP:S7j7I+gxVCNKWNXRvnP

    • 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.

    • Obtains sensitive information copied to the device clipboard

      Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

    • 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