General

  • Target

    4928c563dc610a7c968f697e4ebcda9a441d94a4abd5013c38dfa8e8b62cc4f5.apk

  • Size

    88.7MB

  • Sample

    241115-cyn5fsxdkg

  • MD5

    0e6b33ba825b5e5ce5e2caa03727cd1f

  • SHA1

    0c2574193c88c35bfa70203f5bdcb73989683b94

  • SHA256

    4928c563dc610a7c968f697e4ebcda9a441d94a4abd5013c38dfa8e8b62cc4f5

  • SHA512

    d0f61b8f2f2b61cdf29026320d403ef96b6947dd6941d1d4b95885740880131215abd9bd19ea8b9a451b719ec3eb725afdd1e9fcfee2c3a9623da7975ec00441

  • SSDEEP

    1572864:Ay/UiFkHpKS01NL4iasXbSyaYdtUvkXQ1eYJnrHAFbPlPv5hA+1:Ay/UiFD1No3lLAVPlPR

Malware Config

Extracted

Family

octo

C2

https://1a47fcf8d303239e3f77df623892b6f2.com

https://d3d8d47985f1ac0ea820eaef559293db.ca

AES_key
AES_key
AES_key
AES_key

Targets

    • Target

      4928c563dc610a7c968f697e4ebcda9a441d94a4abd5013c38dfa8e8b62cc4f5.apk

    • Size

      88.7MB

    • MD5

      0e6b33ba825b5e5ce5e2caa03727cd1f

    • SHA1

      0c2574193c88c35bfa70203f5bdcb73989683b94

    • SHA256

      4928c563dc610a7c968f697e4ebcda9a441d94a4abd5013c38dfa8e8b62cc4f5

    • SHA512

      d0f61b8f2f2b61cdf29026320d403ef96b6947dd6941d1d4b95885740880131215abd9bd19ea8b9a451b719ec3eb725afdd1e9fcfee2c3a9623da7975ec00441

    • SSDEEP

      1572864:Ay/UiFkHpKS01NL4iasXbSyaYdtUvkXQ1eYJnrHAFbPlPv5hA+1:Ay/UiFD1No3lLAVPlPR

    Score
    8/10
    • Checks if the Android device is rooted.

    • Acquires the wake lock

    • Queries information about active data network

    • Checks the presence of a debugger

    • Target

      base.apk

    • Size

      7.4MB

    • MD5

      1f69da93d6390a1a8d7b9c5bbe00a216

    • SHA1

      ab7604bb897acce353d5e6daddfb367b105a6658

    • SHA256

      7cd88b2bdaf20440113eba9e804286c061f465f5729fb9c3388b7e27a1565b7d

    • SHA512

      9dbda31e57f469d2254c569a488e870167bf70189dea20df47d7cc1a8e305b1a24823bcacce6296ef36595171a615a16a48cb00b33c1472d896122df8af0d7ab

    • SSDEEP

      49152:O15qVGjHdLuywEpKPV3XKs8XRsEXoq45iS7xrG+vDwY4QjVKScyGNjBn39m5Fw8X:O1iO7fpOV3X6Rsr5iSRGDOVKLTceM

    • Octo

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

    • Octo family

    • Octo payload

    • Checks Android system properties for emulator presence.

    • 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