Analysis

  • max time kernel
    145s
  • max time network
    137s
  • platform
    android_x64
  • resource
    android-33-x64-arm64-20240624-en
  • resource tags

    androidarch:arm64arch:x64image:android-33-x64-arm64-20240624-enlocale:en-usos:android-13-x64system
  • submitted
    03/10/2024, 22:15

General

  • Target

    2d8a0cea968fba4b2f84886944a909e4098cc284fcb053cf99bfc9acb49e8d63.apk

  • Size

    509KB

  • MD5

    cf27af4f8bc4e46e10384f5362715c4f

  • SHA1

    0e081b61c5f6c036304e1daa9052dba6b06d7b7e

  • SHA256

    2d8a0cea968fba4b2f84886944a909e4098cc284fcb053cf99bfc9acb49e8d63

  • SHA512

    9cc921477ab4b8164f5fd0190eeb8ad98242ce77a4bb2de8fddb5f4887d32ceb66ca5ba7e9c4a5fa6a6d998a578c9912eb079c419db1eae286aae78a3eb4861d

  • SSDEEP

    12288:wqowq4opicDavFyM500vzNiQ79NdkHfIiihXlJBQ3Gv/MnW:oTicDgIMFRXNdd/JlJ+3GvUnW

Malware Config

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

rc4.plain

Extracted

Family

octo

C2

https://mutesksek3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adyesksockcem3421.com/MzQ1Yzk1ZGQ4ODY3/

https://adnndlga23cm.com/MzQ1Yzk1ZGQ4ODY3/

https://ad23cmxd.com/MzQ1Yzk1ZGQ4ODY3/

https://adbniskseekske2.com/MzQ1Yzk1ZGQ4ODY3/

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
  • Loads dropped Dex/Jar 1 TTPs 1 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
  • 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.problemdecide8
    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
    • 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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4347

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.problemdecide8/.qcom.problemdecide8

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.problemdecide8/.qcom.problemdecide8

    Filesize

    87B

    MD5

    3383ff27235372e9d7221586d47d8679

    SHA1

    19a5d510c2143340aa03a4a297256a2f330fce55

    SHA256

    f8f2e504976c1f8b70866369125054041b5390cd59d62dee82d744a325de48cb

    SHA512

    dd53be6a46dafeeafb47dcf6442c5b42034e52ef9b701a144097f5aaced2b2bc0c9ca387fb2eec264632f57eeb4be12f27c31f55f6c3312e1ddc86bb05e02fb1

  • /data/data/com.problemdecide8/cache/nioresnsbd

    Filesize

    448KB

    MD5

    fea8d3aad3647281ee250bb0adf30a52

    SHA1

    d2b4775b551aa9fc78a54fc3ef0a69320f13edf0

    SHA256

    dc37f60d1780355c9a71fa76bae77d0e8d2b52af4058a7ccc2a4fae7d8793aca

    SHA512

    ec55ca370b598ff2a0264c8a234472995ecab62a71a463bd23d471a0091490d1f1b8dbf80ab21b929b26e05075e848814b2831f5f84e2a7daf4af919c82e9647

  • /data/data/com.problemdecide8/cache/oat/nioresnsbd.cur.prof

    Filesize

    375B

    MD5

    17600dd08f19c4db0b6005806dd352c4

    SHA1

    5fec4eb631104204cfe21844cf3fcbab3795e3b6

    SHA256

    926a534f267f7f5164e97ede9843ebe93c4dc9af31bc9207f8615816ab26d342

    SHA512

    0d00c4e5a63a6d9005f378f3dd165db771a35db2aa839bbec9bc3a1c72341184503ae88c21f08b9ae6a25b0ed51d0a3c2d61043f791c96c4be7ba7f8bcb56e43