Analysis

  • max time kernel
    170s
  • max time network
    140s
  • 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
    16-07-2024 22:00

General

  • Target

    154136f872be4c2c0e22320336d9df9b08e7f84fd7fea88376b66ce3c2a8a579.apk

  • Size

    509KB

  • MD5

    86b4c9fb283fb230b94c707f264304c4

  • SHA1

    6668e3835f3f6e189429d3290ddbd8a448382eb7

  • SHA256

    154136f872be4c2c0e22320336d9df9b08e7f84fd7fea88376b66ce3c2a8a579

  • SHA512

    80f72d711bcd1b2793c5842aaace92e05f2d875571665b024b4bcdca868a1ba6e4f36872083f55567479e0c93c71e248dc998e42db2c51ed83653982c1551ea4

  • SSDEEP

    12288:qORUloPpi2x/04L3pUnFL9IIeRb1kJw7TT2oJ5luth411IaYXqnYXC:qOCloPBxc4LOuIIb1kJwbx5m41GvXqnt

Malware Config

Extracted

Family

octo

C2

https://mutocosturoyur.com/YmJhM2M5ZjYyODY5/

https://lolo2naberlo.com/YmJhM2M5ZjYyODY5/

https://havalarsicaktir.com/YmJhM2M5ZjYyODY5/

https://calısmıske34r.com/YmJhM2M5ZjYyODY5/

https://r4s5t2t2fa.com/YmJhM2M5ZjYyODY5/

https://gurcustill254.com/YmJhM2M5ZjYyODY5/

Attributes
  • target_apps

    at.spardat.bcrmobile

    at.spardat.netbanking

    com.bankaustria.android.olb

    com.bmo.mobile

    com.cibc.android.mobi

    com.rbc.mobile.android

    com.scotiabank.mobile

    com.td

    cz.airbank.android

    eu.inmite.prj.kb.mobilbank

    com.bankinter.launcher

    com.kutxabank.android

    com.rsi

    com.tecnocom.cajalaboral

    es.bancopopular.nbmpopular

    es.evobanco.bancamovil

    es.lacaixa.mobile.android.newwapicon

    com.dbs.hk.dbsmbanking

    com.FubonMobileClient

    com.hangseng.rbmobile

    com.MobileTreeApp

    com.mtel.androidbea

    com.scb.breezebanking.hk

    hk.com.hsbc.hsbchkmobilebanking

    com.aff.otpdirekt

    com.ideomobile.hapoalim

    com.infrasofttech.indianBank

    com.mobikwik_new

    com.oxigen.oxigenwallet

    jp.co.aeonbank.android.passbook

AES_key

Signatures

  • Octo

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

  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • 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

Processes

  • com.markbook77
    1⤵
    • Removes its main activity from the application launcher
    • 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
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests modifying system settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4309

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.markbook77/.qcom.markbook77
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.markbook77/cache/oat/tobyqog.cur.prof
    Filesize

    469B

    MD5

    ac6e42155e0a26746db7f84c8041ff95

    SHA1

    924fcde6b0dcd5cf0f0747d33060b6cf08c771e8

    SHA256

    254ef64a08bf0ba587b1060d9162ee4136708b8b62a80e1dd22f1e9044488650

    SHA512

    1f562f0e2c9eb053620a12d2f9b29e3501a8f9d098e9f5a95ed8e3755573eccb438f0da9c524b7051560c4d23d53b127fcec4ebfeeb3c6cd1702c96474c55651

  • /data/data/com.markbook77/cache/tobyqog
    Filesize

    448KB

    MD5

    509b7d8c17c68d495a59b5fce46019e5

    SHA1

    843d5b0d0ae2734358889ec056187de8fd3f7aef

    SHA256

    f0f9266c7918cd61b7a86ca71dfc7e5bd232028cb603226d4e9c78295c112356

    SHA512

    e2753ac61d843d9814b83526febb001181d1d00f3af8f4db3c5c1c9e44c1b54dfec3dc2ed4c154e2a145f2e51ecdd5e2642e6c928ebc5c357abe06bc4b8acb1e

  • /data/data/com.markbook77/kl.txt
    Filesize

    237B

    MD5

    8cb6e9b975becb1c10090aa0f3451dc0

    SHA1

    ea9444e95c3082d5c56350d7c88eafa2c140813f

    SHA256

    fef89a71a39122eb77cba1767ce831a1f45b80b59708abafe6edfec9804f816f

    SHA512

    79c4ef14841a18b564345d37ad071082e1d7098a4e3031478dddd5472d1f2a33b0978dcbddabf17f334a1923afa0975031e6fd39a50d69d5fed0e28f385e791e

  • /data/data/com.markbook77/kl.txt
    Filesize

    54B

    MD5

    9ae12bd27a2ccb537ce90da5a791d72e

    SHA1

    58e5edfba570c6a56e024867b2879084df985863

    SHA256

    8ddb86a0889b5f8a136eed55b35350e3fbf2e098d832e84175a8d35e3c97ebcb

    SHA512

    7fea557801227bb9db1cc004e7cb08d552ce4a1ca5afcc28822bccc6865f40efefb901fca53993d5c3699eb983f1bc6830d93c18a5b2167fa66284965cc45b42

  • /data/data/com.markbook77/kl.txt
    Filesize

    79B

    MD5

    f5ead284ebd34e6b585bbb4a196ab3b0

    SHA1

    4b031a0b99f8dec87dd2c7c558f9d4ff3dd21154

    SHA256

    4c9f868075e8c861655730b068d931bdbad33995fd70c620dcb60085ae6f4434

    SHA512

    37973d67f93324f088b45a99b9ef9d91df8f802ce05584c1ff86a8e37693b7ffd633e0e9db840bfa4e5b8309be4ba801c321eb8c4d66db122a4056db142bfddd

  • /data/data/com.markbook77/kl.txt
    Filesize

    68B

    MD5

    465af54e04b1bc1346db26e5e5549ab7

    SHA1

    0bb5cb3fc2c5a6eac92de37f803d68ff52d06de1

    SHA256

    ccd1f30ca4ef7476b6d2e50a650dcde0eb0502aca2e638d570c89b8e4b4b71ee

    SHA512

    a87d477eedd4126555c42d8ad3e1410d6c9fef15339b2626dfb634970d06a4c0e37a58346d9c471edd49dc59d8033a4212e97b4fb6bb67059c76976957fb0b62

  • /data/data/com.markbook77/kl.txt
    Filesize

    437B

    MD5

    a92392192fc6296b054cb3bf6b9b7678

    SHA1

    d30356fd1a45c7c23088b64978664cea72f27f60

    SHA256

    a1f672a83565e2d137f124da2302119e76fa8bd5d6b7fbbf4d77207c27505119

    SHA512

    b6e7c708503f4aef9f51b03a844396653620a82a5223c12463829f9e77363b8b0864e19a48c846bd9e7adbdce7dc4ce42469b19e05b8ac312a38e594c4488753