Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    android-13_x64
  • resource
    android-33-x64-arm64-20240910-en
  • resource tags

    arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
  • submitted
    03/10/2024, 22:04

General

  • Target

    3cbf38b7a9fdda0466546a528d2d80d869016f36a86f634f2a8363b921d0392c.apk

  • Size

    509KB

  • MD5

    d1217a871994848b44511a6507707ed5

  • SHA1

    ddeb0e80d9ce88c00b7feba84cd8c9c1a04db149

  • SHA256

    3cbf38b7a9fdda0466546a528d2d80d869016f36a86f634f2a8363b921d0392c

  • SHA512

    7747964b86985835257e9457a70bce276111acd9fcb640fba6e1dcf78e22aea996a457c658a3858425e63f962694633fc57c746461107dd2740433cbdcc48a34

  • SSDEEP

    12288:o+HRI/kfzSdiO8jhdfGS/3DXhXzKE1Anub:jHRWkfedilJpZknU

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.weightform61
    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:4497

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.weightform61/.qcom.weightform61

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.weightform61/.qcom.weightform61

    Filesize

    87B

    MD5

    d1af642a4d5069520e2b6b0774053486

    SHA1

    86765d56c658cba3528ef9550a7e0c68c4b745c1

    SHA256

    bb43329fcb8fff7a10794cf51c6f0c03d49aebb18f8428b8e5a999fb277af64e

    SHA512

    4f68831fb33e511c4dd4fa3d2c5e4508807d75a19ea6e2ff52a59931113949e963cbc05908b8dd6ace082264030e551dc0ac8f240f4dc555fff65b7a503af7c9

  • /data/data/com.weightform61/cache/oat/zbcljebscbyyq.cur.prof

    Filesize

    389B

    MD5

    83fec48214507f008d4bada90ba6d15d

    SHA1

    e2e749748fde2bb83d544a7e5a50ccc6846a447d

    SHA256

    be43e2e1db9c05d5f1075b8cf02db2c4cbdd0706f158fe49d7d18054f21fd542

    SHA512

    5749cd8592c3f469af57057c7ffb0df446d18821fac7f86429c12e774fd2bf2b6f4605edc6862b26d909043432e4bac9851765d04269c10b27861f8d0dbcc35e

  • /data/data/com.weightform61/cache/zbcljebscbyyq

    Filesize

    448KB

    MD5

    e715aa61f4c56b223fb0142c50dd686b

    SHA1

    4425c9377e910fee8fcd10a3d92bf0b505c87433

    SHA256

    3fd078f50f5fe3b28846e81c83dd781654d1806e2f94bcf8514b3a669888ffa0

    SHA512

    299b52887f57d7560528ef3021dbe8a239979ce34044d14a7f6a00d9357ddc4bdb2d3bf99f26856888fc01bf595e5ce190a4c73a7cedd4c25b6d9e2a5155871c