General

  • Target

    8c921f8e3f90f253ae8d1478a63ee51c88c7bf515a5387d4a1d78e7e1fd4a1df

  • Size

    4.8MB

  • Sample

    241216-dkymea1la1

  • MD5

    38686940198a72f0a4a2c5683bd3fe40

  • SHA1

    5b045098abcfd7db97cce62e548d93fa0f7285aa

  • SHA256

    8c921f8e3f90f253ae8d1478a63ee51c88c7bf515a5387d4a1d78e7e1fd4a1df

  • SHA512

    3c488abcfb8e462e48fe4c79f691edf5cdfe45ae7e956e7afe7b2d749a3ee4b7e65a6facab2e10927f8801ac46a77b595e87fb34cd3a2a0f612d5ef1587dc5d1

  • SSDEEP

    49152:iRsEXwVvoKY83Xjy45iS7xrGdrSu6pYjVKScohczKaWZSbPe8lUYCmKL4:iRs1vod83Xn5iSRGcGVK3O4bP/2YCf4

Malware Config

Extracted

Family

octo

AES_key
AES_key

Targets

    • Target

      8c921f8e3f90f253ae8d1478a63ee51c88c7bf515a5387d4a1d78e7e1fd4a1df

    • Size

      4.8MB

    • MD5

      38686940198a72f0a4a2c5683bd3fe40

    • SHA1

      5b045098abcfd7db97cce62e548d93fa0f7285aa

    • SHA256

      8c921f8e3f90f253ae8d1478a63ee51c88c7bf515a5387d4a1d78e7e1fd4a1df

    • SHA512

      3c488abcfb8e462e48fe4c79f691edf5cdfe45ae7e956e7afe7b2d749a3ee4b7e65a6facab2e10927f8801ac46a77b595e87fb34cd3a2a0f612d5ef1587dc5d1

    • SSDEEP

      49152:iRsEXwVvoKY83Xjy45iS7xrGdrSu6pYjVKScohczKaWZSbPe8lUYCmKL4:iRs1vod83Xn5iSRGcGVK3O4bP/2YCf4

    • 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