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General

  • Target

    f35635ab05a8f0ff2e45a561e9aef6cb766fe62cd3216dc4ab5ca2425c58e1d7.apk

  • Size

    8.3MB

  • Sample

    250208-fdgresxmcm

  • MD5

    99fe380d9ef96ddc4f71560eb8888c00

  • SHA1

    fda55ec025703ea369494486faf23ced9ce1dce9

  • SHA256

    f35635ab05a8f0ff2e45a561e9aef6cb766fe62cd3216dc4ab5ca2425c58e1d7

  • SHA512

    dc4a2d13634b452eca71ffdf9f2cbc9791e35244818f87e2cf4c0b6f23313dfaa56e1d879d10fba2739c4d093b40c8e3379d192dae6d213fce966ae3bd69df5e

  • SSDEEP

    196608:fgsmj7sRstUVrL3XbxvRmEDsQK0j891DX:4fArz9vvDHJw

Malware Config

Extracted

Family

octo

DES_key
AES_key
AES_key
AES_key
AES_key

Targets

    • Target

      f35635ab05a8f0ff2e45a561e9aef6cb766fe62cd3216dc4ab5ca2425c58e1d7.apk

    • Size

      8.3MB

    • MD5

      99fe380d9ef96ddc4f71560eb8888c00

    • SHA1

      fda55ec025703ea369494486faf23ced9ce1dce9

    • SHA256

      f35635ab05a8f0ff2e45a561e9aef6cb766fe62cd3216dc4ab5ca2425c58e1d7

    • SHA512

      dc4a2d13634b452eca71ffdf9f2cbc9791e35244818f87e2cf4c0b6f23313dfaa56e1d879d10fba2739c4d093b40c8e3379d192dae6d213fce966ae3bd69df5e

    • SSDEEP

      196608:fgsmj7sRstUVrL3XbxvRmEDsQK0j891DX:4fArz9vvDHJw

    • 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.

    • 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