General

  • Target

    f163cdc85d8637d5d66cafd550670523ae79999fcda03fb45cfb357a1eae1d01

  • Size

    9.2MB

  • Sample

    241127-3af22svnfs

  • MD5

    857f10858b18d1b7570d319c51fb4a2c

  • SHA1

    85e026819a801631047ba623619f839d42b168a6

  • SHA256

    f163cdc85d8637d5d66cafd550670523ae79999fcda03fb45cfb357a1eae1d01

  • SHA512

    f84206d13ed29e356e3cb4d6a403474ece9f888a8843ad09a36f3b906f67a52c5442ee1ece55a6eed3c9f0cae6a9380508856ec379c1e6f8297dbdad3d6f4617

  • SSDEEP

    196608:01tI4GciB6eVRMriO15415t0BY1roED9cX286g/6odenKia1o94Wc:01tI4TAZVRt15t0BY1rXDfg/6FxDZc

Malware Config

Extracted

Family

octo

AES_key
AES_key

Targets

    • Target

      f163cdc85d8637d5d66cafd550670523ae79999fcda03fb45cfb357a1eae1d01

    • Size

      9.2MB

    • MD5

      857f10858b18d1b7570d319c51fb4a2c

    • SHA1

      85e026819a801631047ba623619f839d42b168a6

    • SHA256

      f163cdc85d8637d5d66cafd550670523ae79999fcda03fb45cfb357a1eae1d01

    • SHA512

      f84206d13ed29e356e3cb4d6a403474ece9f888a8843ad09a36f3b906f67a52c5442ee1ece55a6eed3c9f0cae6a9380508856ec379c1e6f8297dbdad3d6f4617

    • SSDEEP

      196608:01tI4GciB6eVRMriO15415t0BY1roED9cX286g/6odenKia1o94Wc:01tI4TAZVRt15t0BY1rXDfg/6FxDZc

    • Target

      base.apk

    • Size

      8.4MB

    • MD5

      70ab871f494c38544e6a4de2baec9bf1

    • SHA1

      87066ef241f959d67656cb982d8d72cf5b4a410a

    • SHA256

      c7678bdc1ca3e4c42c4d7809312b46eaf8735f183dd18a1c5451dd0ffbdf0c1f

    • SHA512

      3b336bfa34276e281e07240daff65fcdfe3d71b8af1fc7dd39b653d190bbea17c55fd339c496a51d71e8b1b99cb6b5121e13c972e1256b03217f1163a460e906

    • SSDEEP

      98304:1NFi4t5tVKW05iSRGA1SFVkhe+4j76G+lru2/2pC0s4rgI6NRs40bTO:17Xt5tUXraFiUpj71+zHlNR1Ii

    • 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.

MITRE ATT&CK Mobile v15

Tasks