Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    14/10/2024, 17:32

General

  • Target

    92569006d7dac7c2cebb9f7d5ce3a81505392e1364fb4061d011053a7e1967c3.apk

  • Size

    7.9MB

  • MD5

    ec978ef8018157e2d02538ce72df2028

  • SHA1

    303f59e8250840f95ea0ac0fad825bb12b0648a9

  • SHA256

    92569006d7dac7c2cebb9f7d5ce3a81505392e1364fb4061d011053a7e1967c3

  • SHA512

    be1ef6d188cec13333c28e563589c87f231bbe4f3357ddf230177441628f8996075b0c8de46db10b9804680513c3c6af20f42fc3ddbb9aabf8522117a54f9f1d

  • SSDEEP

    98304:RWzCG+71mj7ARs8R86qbiYmSgU+Tg1tYN/4WfoI55iSRG17VKekxpW4:aCPkj7ARn8JiYgUv1G/4U5rcUD7

Malware Config

Extracted

Family

octo

AES_key
AES_key

Signatures

  • Octo

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

  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    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) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.eui_connectivity3
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4260
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.eui_connectivity3/app_shoot/Lw.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.eui_connectivity3/app_shoot/oat/x86/Lw.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4286

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • /data/data/com.eui_connectivity3/.global.com.eui_connectivity3

          Filesize

          48B

          MD5

          046a414913add6f5bb60072c7db819b6

          SHA1

          451ee4f6809260aec622d772fd329c7d0297a842

          SHA256

          b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

          SHA512

          4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

        • /data/data/com.eui_connectivity3/app_shoot/Lw.json

          Filesize

          1005B

          MD5

          321dd7ea18c0aa0d65b75bc927784a8f

          SHA1

          1e9e6a71936a067d9f105b130b5b2e66c8aacee4

          SHA256

          c2713f7532318a80a96f84c55c1de324c84a9294086fbce9f4e8b449620e8cab

          SHA512

          471e555122ad08aebcc3c392c2886c75c0e2f3f4e0b76b4336e19439179fafdc707e803a91b94a26d185f6d079734dfa1e62b5d9b662b7aea06c52136b9ead43

        • /data/data/com.eui_connectivity3/app_shoot/Lw.json

          Filesize

          1005B

          MD5

          63ebd4d8daf125697412029e92a32cce

          SHA1

          0e2c3b8d6322845bf3dbb05481d02b0f320291fd

          SHA256

          a7f016cd0e241fbe4be42098c9ce87988093f9f46c42fe10291c83bc89648d79

          SHA512

          3faf99d0051cce94b3f3cf820d792af8598a82420ead13bec77a9f123f3a1436d01ffb6d0812385c6152ef2923d22d6eb0de9321ed2efcddcf2f0ca021aa43f6

        • /data/data/com.eui_connectivity3/files/.x

          Filesize

          307KB

          MD5

          4e73947cabb5db3f92ca85004981b754

          SHA1

          6d9667fdb0280ed2dcb782b4683e422a51bdc601

          SHA256

          6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

          SHA512

          be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

        • /data/user/0/com.eui_connectivity3/app_shoot/Lw.json

          Filesize

          1KB

          MD5

          a05d1388dfe110d05ecab43693ab1a1a

          SHA1

          f5ce2e29f9604983783b17a3941b8b1b40f904f4

          SHA256

          cec5cd95a0304d768c288e993e367df613443105dc0f7fcf92b36fa0693cd3a4

          SHA512

          871525998780d514e727639c21f6d3a7c40d50c12f82f2f73dc15ee3f9c11bd881e552c5cfdf2f737cf2b6c760015ef884dc8ac5893752ed39d41eda79443e1d

        • /data/user/0/com.eui_connectivity3/app_shoot/Lw.json

          Filesize

          1KB

          MD5

          a6e5211329a42774b7cf03cd734d22d7

          SHA1

          ee7c103429b4c51d1a8823ab73cb6c0ee0621f8c

          SHA256

          d82cd294c3403b0df37def2a826f28df28dad17283a9267fb660dbb013ffefd1

          SHA512

          e028c421ee24200c2a20fded2650c02576bab97254dd282efd46ef87b5b03d1578f7340ce26c568353aced2c3cbd10a8990ef12c0e773f82c230679f554f0b09

        • Anonymous-DexFile@0xd5a31000-0xd5ab4638

          Filesize

          525KB

          MD5

          efa97f02f98a44d1be43a89171697100

          SHA1

          02e6956b620706e2d7a4fcfb29e741e8e13e9743

          SHA256

          35e45bc9e9f39382a94eebb50edbc834f4f3783adb4fcc56e81d889c4b436a23

          SHA512

          d6f6b73f34590f1add4143f43eaf2f2c6ebf175fe2c3b99d49a9df6b8c7491ee707142ccfd4c7c2594274ee497407071ee3f1219cdf6f0bdef1e2bda79d6ca46