General

  • Target

    dcb7b3c111470ca0f55f7a60b19eb461e2719e5c29c09e5b36918856cef5c4d3

  • Size

    4.8MB

  • Sample

    241216-dcn31askdp

  • MD5

    a008bacb46a811dd51949021b0db5fd3

  • SHA1

    0b5d3a9333e2d5e0d5151a2b72dd9515d9ec48d9

  • SHA256

    dcb7b3c111470ca0f55f7a60b19eb461e2719e5c29c09e5b36918856cef5c4d3

  • SHA512

    76828663e9db04965e1852b66872db3845ba1f568c62163bd4e8e43406be8b1bb929f07d20b4f7f522a5d2ea83ab7addc2a18eceae35aca464a7f3ef10c016f1

  • SSDEEP

    49152:6RsEXzHFKxD3Xv845iS7xrGtrUig6JjVKScp5BmFKy17wUZHHWEWoC0:6RsWF0D3XN5iSRGDxVKlx/UZpWoC0

Malware Config

Extracted

Family

octo

AES_key
AES_key

Targets

    • Target

      dcb7b3c111470ca0f55f7a60b19eb461e2719e5c29c09e5b36918856cef5c4d3

    • Size

      4.8MB

    • MD5

      a008bacb46a811dd51949021b0db5fd3

    • SHA1

      0b5d3a9333e2d5e0d5151a2b72dd9515d9ec48d9

    • SHA256

      dcb7b3c111470ca0f55f7a60b19eb461e2719e5c29c09e5b36918856cef5c4d3

    • SHA512

      76828663e9db04965e1852b66872db3845ba1f568c62163bd4e8e43406be8b1bb929f07d20b4f7f522a5d2ea83ab7addc2a18eceae35aca464a7f3ef10c016f1

    • SSDEEP

      49152:6RsEXzHFKxD3Xv845iS7xrGtrUig6JjVKScp5BmFKy17wUZHHWEWoC0:6RsWF0D3XN5iSRGDxVKlx/UZpWoC0

    • Octo

      Octo is a banking malware with remote access capabilities first seen in April 2022.

    • Octo family

    • Octo payload

    • 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.

    • Queries the mobile country code (MCC)

    • Queries the unique device ID (IMEI, MEID, IMSI)

    • Reads information about phone network operator.

    • Requests disabling of battery optimizations (often used to enable hiding in the background).

MITRE ATT&CK Mobile v15

Tasks