General

  • Target

    3bb05c8c6865a071ad4c293811c8fdd7580e33e0d5483db33082172c8bc2cc73

  • Size

    8.4MB

  • Sample

    250321-v43txaxrs6

  • MD5

    bd00428d52ab48809177b61b90e45685

  • SHA1

    75ea7f94ca74fcba014cf90f488212748b9063a4

  • SHA256

    3bb05c8c6865a071ad4c293811c8fdd7580e33e0d5483db33082172c8bc2cc73

  • SHA512

    40a51692e46339ec22f172f14ffe1a5fd828af161263ffb583e552b74b354dca89bc0150d63d56adc561fa8863f1abd2f706eee391fb63e933e47539bae2e108

  • SSDEEP

    196608:KCCmOLs2ptAniW6ffltjuCD4bXWU3JAyuYdvJ546VI7:imj2ptaz6XvNDaGIAW54F

Malware Config

Extracted

Family

octo

AES_key
AES_key
AES_key
AES_key

Targets

    • Target

      3bb05c8c6865a071ad4c293811c8fdd7580e33e0d5483db33082172c8bc2cc73

    • Size

      8.4MB

    • MD5

      bd00428d52ab48809177b61b90e45685

    • SHA1

      75ea7f94ca74fcba014cf90f488212748b9063a4

    • SHA256

      3bb05c8c6865a071ad4c293811c8fdd7580e33e0d5483db33082172c8bc2cc73

    • SHA512

      40a51692e46339ec22f172f14ffe1a5fd828af161263ffb583e552b74b354dca89bc0150d63d56adc561fa8863f1abd2f706eee391fb63e933e47539bae2e108

    • SSDEEP

      196608:KCCmOLs2ptAniW6ffltjuCD4bXWU3JAyuYdvJ546VI7:imj2ptaz6XvNDaGIAW54F

    • Target

      base.apk

    • Size

      8.8MB

    • MD5

      5d794d2976e533d8912025497cb92c16

    • SHA1

      79fed68a70624015d3a871872f64053abf548a5e

    • SHA256

      61ad70416b5132932eae4d772e173260678dfe28976dd8ec4e802797904e8af3

    • SHA512

      0e6d62afc61b30f71c92870c78764ede0fc8560ccdf5e1bc8548b33561869b07ec1c4b2ed7673ddeed955ae09b5b2f74cd9aedae0c52db29119aaf8b299a2fc8

    • SSDEEP

      98304:wWl65iSRG0gVKzD2zj7FRs4bIRSIC2zfsqs60/z59zYHyal9PbN37JSV8Qp3Sg/:56r+UPij7FR9xzXcS8JIf

    • 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.

    • 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 enabling of the accessibility settings.

MITRE ATT&CK Mobile v15

Tasks