Analysis

  • max time kernel
    148s
  • max time network
    160s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    17-10-2024 22:03

General

  • Target

    940b24e003860e61dbeaa4ccf27e08ed708fe503be0f7ae2375de5bd2bdb2c31.apk

  • Size

    1.8MB

  • MD5

    3e7e2839f85b18876e68faf9dbc12bf7

  • SHA1

    f15cc5a158bc3411a02db9eff30c2fce28d4db7b

  • SHA256

    940b24e003860e61dbeaa4ccf27e08ed708fe503be0f7ae2375de5bd2bdb2c31

  • SHA512

    8a43391749404da04ac0e9cb7064c6dd71b7881ea639780ceec071fd5a4828adf2ed84ae7b9252a9349a7c125e714dec469250665e0112bf3a720b30933501c8

  • SSDEEP

    24576:TdbX5mFfvPhpd8IgBiMUTLI4FWhhNHpAWJkcjaoq6mQYY9GamH5++Ntr:w3ppd8VwnTLImipxkcjuZQTeH5++NB

Malware Config

Extracted

Family

octo

C2

https://yapayzekaveteknologigirisimi.xyz/YjdkMWRjNTllNzZi/

https://dijitaldonanimveyazilimharikasi.xyz/YjdkMWRjNTllNzZi/

https://bulutbilisimveyapayzekatavsiyesi.xyz/YjdkMWRjNTllNzZi/

https://blockchainvekriptofinansuzmani.xyz/YjdkMWRjNTllNzZi/

https://yapayzekavegelecekteknolojisi.xyz/YjdkMWRjNTllNzZi/

https://robotikteknolojilerevesimulasyon.xyz/YjdkMWRjNTllNzZi/

https://sibertezvebilisimdunyasiprojeleri.xyz/YjdkMWRjNTllNzZi/

https://dijitaldunyavebilisimyenilikleri.xyz/YjdkMWRjNTllNzZi/

https://uzayteknolojisiveyapayzekakesfi.xyz/YjdkMWRjNTllNzZi/

https://akillirobotiksistemlerveotomat.xyz/YjdkMWRjNTllNzZi/

https://dijitaldunyabilgimimariprogrami.xyz/YjdkMWRjNTllNzZi/

https://kriptoekonomivetrendbilisim.xyz/YjdkMWRjNTllNzZi/

https://dijitaldonanimvebilisimproje.xyz/YjdkMWRjNTllNzZi/

https://kapsamdijitalanalizveveriharitasi.xyz/YjdkMWRjNTllNzZi/

https://akilliveriyonetimiplatformuve.xyz/YjdkMWRjNTllNzZi/

https://yapayzekaileakillialtyapi.xyz/YjdkMWRjNTllNzZi/

https://uzakgelecekbilisimplatformuve.xyz/YjdkMWRjNTllNzZi/

https://kriptoalgoritmaozeldanisman.xyz/YjdkMWRjNTllNzZi/

https://endustri4veakillifabrikalar.xyz/YjdkMWRjNTllNzZi/

https://bulutbilisimkapsamdijitaldonanim.xyz/YjdkMWRjNTllNzZi/

rc4.plain

Extracted

Family

octo

C2

https://yapayzekaveteknologigirisimi.xyz/YjdkMWRjNTllNzZi/

https://dijitaldonanimveyazilimharikasi.xyz/YjdkMWRjNTllNzZi/

https://bulutbilisimveyapayzekatavsiyesi.xyz/YjdkMWRjNTllNzZi/

https://blockchainvekriptofinansuzmani.xyz/YjdkMWRjNTllNzZi/

https://yapayzekavegelecekteknolojisi.xyz/YjdkMWRjNTllNzZi/

https://robotikteknolojilerevesimulasyon.xyz/YjdkMWRjNTllNzZi/

https://sibertezvebilisimdunyasiprojeleri.xyz/YjdkMWRjNTllNzZi/

https://dijitaldunyavebilisimyenilikleri.xyz/YjdkMWRjNTllNzZi/

https://uzayteknolojisiveyapayzekakesfi.xyz/YjdkMWRjNTllNzZi/

https://akillirobotiksistemlerveotomat.xyz/YjdkMWRjNTllNzZi/

https://dijitaldunyabilgimimariprogrami.xyz/YjdkMWRjNTllNzZi/

https://kriptoekonomivetrendbilisim.xyz/YjdkMWRjNTllNzZi/

https://dijitaldonanimvebilisimproje.xyz/YjdkMWRjNTllNzZi/

https://kapsamdijitalanalizveveriharitasi.xyz/YjdkMWRjNTllNzZi/

https://akilliveriyonetimiplatformuve.xyz/YjdkMWRjNTllNzZi/

https://yapayzekaileakillialtyapi.xyz/YjdkMWRjNTllNzZi/

https://uzakgelecekbilisimplatformuve.xyz/YjdkMWRjNTllNzZi/

https://kriptoalgoritmaozeldanisman.xyz/YjdkMWRjNTllNzZi/

https://endustri4veakillifabrikalar.xyz/YjdkMWRjNTllNzZi/

https://bulutbilisimkapsamdijitaldonanim.xyz/YjdkMWRjNTllNzZi/

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 2 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
  • 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.chair.suit
    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:4218
    • /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.chair.suit/app_arrive/Wq.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.chair.suit/app_arrive/oat/x86/Wq.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4244

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.chair.suit/.qcom.chair.suit

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.chair.suit/app_arrive/Wq.json

    Filesize

    153KB

    MD5

    dddc1d0151a20d3d1bcf3072f4009ffc

    SHA1

    8e1933a24e34a6661b354ecfd8c89f8d9eba05a4

    SHA256

    7b7a20f72b5e50cecc5064cc870cb75080a5cde868cac30872225d70ebfea686

    SHA512

    13aa356f891f3a72140d201cde196f068993fa4d3fc7ccf0b722afb697b604cd66013837564422f00c223ef57e9ea542731536fd0d8963f24cb7bf6563c16d36

  • /data/data/com.chair.suit/app_arrive/Wq.json

    Filesize

    153KB

    MD5

    ddd88c92b309d00873db9222c3d97b7c

    SHA1

    8a549b0f2828409674739bbfbc318d2bc26265bf

    SHA256

    9713db17420f2b845bfdcc9f5377fb77e9565dde05e85b98893b134d71acda57

    SHA512

    640877dbc97ff1e8eecb1683c096fca0ea69d76715a6cf0ca7e4a976c6aaf74434ae754f9330412141ddf08449dc76c119fb72ea52a010d7302dbdbd37d43a21

  • /data/data/com.chair.suit/kl.txt

    Filesize

    45B

    MD5

    2501bb2d06bebaa6396f839bfd3cccff

    SHA1

    32516c3dc49b2ced3b4b5ecb08a4f94e45365c97

    SHA256

    f12ed14c1b30bdbcec9065bc644065284aedc55159553dd97171e04a0b278919

    SHA512

    6691878394897398382d81dcdee463d8b714d51d13b44d2b4bfd6d9577770f1b5b3fc4c4c58be34312af5489518b04c05050f8703da7a5b6593f6770880e2053

  • /data/data/com.chair.suit/kl.txt

    Filesize

    423B

    MD5

    069025dfa0faffa302e0756c853d6b69

    SHA1

    df3006b321e62a13f9810163a1c449b4631a210b

    SHA256

    75b0905cad32c87cdf3e9fbaf6874d3b552629b2fe9586019f445b402d20532c

    SHA512

    cbaf42ae5625c86854eefad121e71144a9e309e4278150dfd1c1a3344e118cb2db1ed1cddb9bb71e6e060817eb6d31cead84c7d7ac76367ed73bbf7cd84dc0f1

  • /data/data/com.chair.suit/kl.txt

    Filesize

    230B

    MD5

    23c33e0a3802a3f69fc06ea677e6686f

    SHA1

    db2cfd2c0f1fb6add6cd4988afaba7963c730ac4

    SHA256

    6712da568b897dbb029dc4fdf6d7f42eecb35e5a33408ef1fa38b16a6e017901

    SHA512

    060a25597ed12f43009532d16de4d8e91edede142635d4aee279a192894846a2f17b00c7af298a67bd6e9c6fe86844e9952d1b0b1a940a766d79f95e85751571

  • /data/data/com.chair.suit/kl.txt

    Filesize

    54B

    MD5

    8a93eae3f149d325c2fdfbdb2d1a98ef

    SHA1

    b595236ef7ffce5a993b1206f04824474805082a

    SHA256

    41a754d8f2822a97c63355489c1e3235ac4b49cb8bfe7dd8aa0aefc88b06f856

    SHA512

    c5bd9ff251a2e6d90590d289540a6c41db2dd61eb4c8a91d893f237c7e8d46d9d570c6de9f0248646642985d6d5b57b945f69f23b970b97ace9fb287acb980ef

  • /data/data/com.chair.suit/kl.txt

    Filesize

    63B

    MD5

    d4612b35015f7baf6317749f4cd22f77

    SHA1

    853f7294bbbb9f7132ec16e540f1e7f190bf2ee3

    SHA256

    3d2572de005b50972234be9a17b057bff1ffc5a4a12937d15b0aa14036e7abf6

    SHA512

    882a08cebb2da61a08dfd26d3759440d5f94db7e2b5d9a0c7aa4407af29f1cea3ad921c2006626ddfe6d3230cb35f184d2db90832e230b7e64bb114a9271fed5

  • /data/user/0/com.chair.suit/app_arrive/Wq.json

    Filesize

    451KB

    MD5

    cde4df6464782f33888e5075d3f38e48

    SHA1

    8a063e8dfe16d1aff35b60200884c7c28484e311

    SHA256

    c4794552ea8b6f351e302bc46e043706f6fc50490b4468f114316179e08470ab

    SHA512

    19e14ae8bfda0076d2e1d8b932b6573b5b232110e3657b41b9607a2e964aa3e015568d9c6a22045b458423001ed56617134a98fae1fa3ad42a3766d66ed886cc

  • /data/user/0/com.chair.suit/app_arrive/Wq.json

    Filesize

    451KB

    MD5

    e4dc9ffcd30d7e5b7f3632158c011d9e

    SHA1

    3fddc54f690271b24158169315cd2e7db4cbe40c

    SHA256

    dd6b331cb81ab55eb6c0efb489ec3ee15507e96c5d5e4e155d623eeea5e5e968

    SHA512

    7a8f20684a2107e9e2d0f1113a4d1d6cc7ff3ed6c19e7a9af7f5dac735076fdbd06544bbda64fc0e07660f394efcce6656ba77325025749a189a3c5443139ea7