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Analysis

  • max time kernel
    60s
  • max time network
    141s
  • 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
    15/12/2024, 22:01

General

  • Target

    1a7d29de87210e1f64f99b76c4bf2edbb6654f17b6bead7253102a19fc530407.apk

  • Size

    1.5MB

  • MD5

    8141e7de81bad46f577dc73836b287e7

  • SHA1

    e6518aa7663bac1395fff71547e477e59af87da1

  • SHA256

    1a7d29de87210e1f64f99b76c4bf2edbb6654f17b6bead7253102a19fc530407

  • SHA512

    37833ec7d389556a688d26a9667e814248c65e4df9bf7538c82d067f1870e1716ab9f19bbe686399fa358b562a6c01b9082d38e42d2069861fd3003157242893

  • SSDEEP

    49152:ctcG/099cKKgFoG/Yjg5SvLiaNErzrOOTAWclvpB:UcL99czgFN/YjRHYlTXcpL

Malware Config

Extracted

Family

octo

C2

https://hayatvesanatguzellikduygusu.xyz/YmJlYTFiODdkMjcz/

https://mutlulukvesessizlikyolculugu.xyz/YmJlYTFiODdkMjcz/

https://yasamvesahtekarguzellik.xyz/YmJlYTFiODdkMjcz/

https://sevincligunlertatminkar.xyz/YmJlYTFiODdkMjcz/

https://dogaltatvesanatyaklasimi.xyz/YmJlYTFiODdkMjcz/

https://hayatlarinhuzurvesessiz.xyz/YmJlYTFiODdkMjcz/

https://keyifligunlerinfirsatlari.xyz/YmJlYTFiODdkMjcz/

https://sevgiiledoluyasamyolu.xyz/YmJlYTFiODdkMjcz/

https://sakinlikvehayatderinligi.xyz/YmJlYTFiODdkMjcz/

https://sanatvesanatcihayatlari.xyz/YmJlYTFiODdkMjcz/

https://ilhamdolubirhayat.xyz/YmJlYTFiODdkMjcz/

https://zenginlikvebasarihikayesi.xyz/YmJlYTFiODdkMjcz/

https://kalpvesanatdostlukhikaye.xyz/YmJlYTFiODdkMjcz/

https://mutlugunlerinyasamayolu.xyz/YmJlYTFiODdkMjcz/

https://yasananhayatinduygular.xyz/YmJlYTFiODdkMjcz/

https://dogaylaisbirligiyolu.xyz/YmJlYTFiODdkMjcz/

https://hosgoruhayatvekultur.xyz/YmJlYTFiODdkMjcz/

https://hayalguclesanatbaglantisi.xyz/YmJlYTFiODdkMjcz/

https://sadelikvehayatfelsefesi.xyz/YmJlYTFiODdkMjcz/

https://dogaldostlukvesanat.xyz/YmJlYTFiODdkMjcz/

rc4.plain

Extracted

Family

octo

C2

https://hayatvesanatguzellikduygusu.xyz/YmJlYTFiODdkMjcz/

https://mutlulukvesessizlikyolculugu.xyz/YmJlYTFiODdkMjcz/

https://yasamvesahtekarguzellik.xyz/YmJlYTFiODdkMjcz/

https://sevincligunlertatminkar.xyz/YmJlYTFiODdkMjcz/

https://dogaltatvesanatyaklasimi.xyz/YmJlYTFiODdkMjcz/

https://hayatlarinhuzurvesessiz.xyz/YmJlYTFiODdkMjcz/

https://keyifligunlerinfirsatlari.xyz/YmJlYTFiODdkMjcz/

https://sevgiiledoluyasamyolu.xyz/YmJlYTFiODdkMjcz/

https://sakinlikvehayatderinligi.xyz/YmJlYTFiODdkMjcz/

https://sanatvesanatcihayatlari.xyz/YmJlYTFiODdkMjcz/

https://ilhamdolubirhayat.xyz/YmJlYTFiODdkMjcz/

https://zenginlikvebasarihikayesi.xyz/YmJlYTFiODdkMjcz/

https://kalpvesanatdostlukhikaye.xyz/YmJlYTFiODdkMjcz/

https://mutlugunlerinyasamayolu.xyz/YmJlYTFiODdkMjcz/

https://yasananhayatinduygular.xyz/YmJlYTFiODdkMjcz/

https://dogaylaisbirligiyolu.xyz/YmJlYTFiODdkMjcz/

https://hosgoruhayatvekultur.xyz/YmJlYTFiODdkMjcz/

https://hayalguclesanatbaglantisi.xyz/YmJlYTFiODdkMjcz/

https://sadelikvehayatfelsefesi.xyz/YmJlYTFiODdkMjcz/

https://dogaldostlukvesanat.xyz/YmJlYTFiODdkMjcz/

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 family
  • 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.fat.fragile
    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:4315
    • /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.fat.fragile/app_entire/YtiP.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fat.fragile/app_entire/oat/x86/YtiP.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4341

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.fat.fragile/app_entire/YtiP.json

    Filesize

    153KB

    MD5

    e29364efb451f1eefc32b331e2689bfa

    SHA1

    18030990d6c43dc3ad824f57cf74bb0374c52788

    SHA256

    3c22db29183461e475e455af88e4f60e600b4b0dc44feb8463eba4b19eddeabd

    SHA512

    7d82ee4296ed3c813daf83d54ba9845530a0335038762f9e0036530e193e071f224e943e5030fcb292d4a842a235b8402bb135a02e9dd86c72047a0af34a326c

  • /data/data/com.fat.fragile/app_entire/YtiP.json

    Filesize

    153KB

    MD5

    3accbe0aba97600da87d47945b9810d3

    SHA1

    3d1d7777c2090f387865151fccfbf3dafe55ebc2

    SHA256

    f288e5ec1f2788326048a740cd662118228918d2276841807bd55219d6cc253a

    SHA512

    39394af89df9fb0f5850bae09b723fdbe2136785bcc24389af0ee84238c359669290d53a1e73e22487eb7f466695514c4bb5442dd61fe9fe9d1a980f7bb4e0c3

  • /data/data/com.fat.fragile/kl.txt

    Filesize

    63B

    MD5

    66d34256b4b501a6b89054de77bc8d5a

    SHA1

    28b262f839f8ac9db24e4dac7df2b5b7c15c9ea2

    SHA256

    d50ae2e472ae32840e04116fa1411fdb623df2e81dd13bfe513bd650d32e8b90

    SHA512

    d9d9e17c14e0ed9dc64ad901f232d458d3e73d1a78284cc010d11e3f0a8d155c2bec849ee87ba682d816fd859c44381f81e2dd08299363bf7252f41d00fc3976

  • /data/data/com.fat.fragile/kl.txt

    Filesize

    423B

    MD5

    3995e67875c2fa7f3cf486ac4ebdfc8a

    SHA1

    d2cc6887d65bbe2709560fb5d1f51839b113b4a5

    SHA256

    8e65a9e6dfecbe2012466e0c1c04d46a016e18492abd7486322cc3cb28d91255

    SHA512

    74fad80a2759345049bb2d310331f739689378897c5def4fddcf19fc79cf8a7e173778a3c2e136d9ef88a49eb7c0a02c1f31b736055e4e35242d58413c42a840

  • /data/data/com.fat.fragile/kl.txt

    Filesize

    230B

    MD5

    af62d76fd7f966596bcaac4aae164d2d

    SHA1

    9ea6b857e942318cbc9212ed17fca6dec20fbb26

    SHA256

    e8bb5eac5ab956140b286bc2a9af645dbf79e5a897e2c0da7cb8264db485ffc6

    SHA512

    4ac07c8b66556bc89785d3b88afee0103c793ec466247361f1e7460784565d60c0beaec98dac8282aa4babd52b04edd9255911f216a736144113d8d46a1233c8

  • /data/data/com.fat.fragile/kl.txt

    Filesize

    54B

    MD5

    8caf8973127919b48f529182515378b2

    SHA1

    e336c9c64a3a6a78e43726f6dba438127dabb5b8

    SHA256

    51e45b97bced2ec32bf6014231def5077979ed12f9521e5c12ad0585dc9f5427

    SHA512

    e578ae2fb94a250f6a0e85ead5c88af8d8b03408ba5b81c892c81839e3b27c2b0c2ef5a9c72d9d61d8e925510dd377e93acc84239500b1e054df2fcf85685278

  • /data/data/com.fat.fragile/kl.txt

    Filesize

    68B

    MD5

    6a7935513669da54b8d04db3ffff1e93

    SHA1

    6c4bc8ba3f351de66a982396c667247aa7e13320

    SHA256

    8d2daba8f8c97b1c3184c71346fa15664051c8d78cf92b3b2fe744af06a982e9

    SHA512

    4a23eec3c828e38879196162245a89ac0b95a6a1dee64a72af57f13d5a30d2d3fc6d86287d05ee784083191bf92948b0cf0a69731920e3137f8fadcf556fdac3

  • /data/user/0/com.fat.fragile/app_entire/YtiP.json

    Filesize

    450KB

    MD5

    f4853584b9ae6b1891eb37c8c5f8decb

    SHA1

    162b920fc6a888cd7b14c73a9928a11f50770910

    SHA256

    d35a691bb9a9351c9e4dec99fdccd3d58057e335ba1fe2db4e30537548cecb8a

    SHA512

    0a0a0058a4d547c4258e80016015adf608ab94bdde16240032eebbcf0a37c7cfcaf807e1b4c36600c885040076048ba7f7d74d4196ce4084b789221a50126f88

  • /data/user/0/com.fat.fragile/app_entire/YtiP.json

    Filesize

    450KB

    MD5

    40b093732d531d15b0ae2fea094a8090

    SHA1

    471396e4a922f12d1c30ec6983e8d5db7b808c0d

    SHA256

    e35fe9a9eeca5af8fa0d791838e35abf3f0b4333bd4ccadf2a273c0783b657ce

    SHA512

    89af7b6978dd029e9c1922f6988aed9ccbebedaa07418aa7395bcf11deacb961a1d2b6c0d6e5f189616f2071d01466068e40c5269742d6db28872bfc1f73e1ab