Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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
    23-11-2024 22:02

General

  • Target

    67f24bcfe632a7e45822d08c0424c604584ec7ee9c30a59df8efa3840b29d8ee.apk

  • Size

    1.7MB

  • MD5

    714a89a30d516c11fb959595aa477900

  • SHA1

    17a361b855d8b4a122f692a591e77eb1e7427d48

  • SHA256

    67f24bcfe632a7e45822d08c0424c604584ec7ee9c30a59df8efa3840b29d8ee

  • SHA512

    05170a5bd14c3a1250416fd66d6ee57d88247b231137e29f70e9013f77c083278ffdf3ed466aa5c74799be26512f8e7bc1a813601c9271721fb2d7259ba3a0f4

  • SSDEEP

    49152:mR99t/pAjAVuUQZbSEY05Az9I634N8QQQQ6GNz8QQQQPguz8QQQQe:mR9f/pAs8UQZbSEd50LILGux

Malware Config

Extracted

Family

octo

C2

https://hayatindonderlerikararver.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklaryenicocugunhikaye.xyz/MDQ2MTZjMDhlZDQy/

https://yasamtarzdunyayidogrutani.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazyollardaumutarayan.xyz/MDQ2MTZjMDhlZDQy/

https://hayatinhikayesipratikcozum.xyz/MDQ2MTZjMDhlZDQy/

https://yasaminkavgaveodulleri.xyz/MDQ2MTZjMDhlZDQy/

https://kucukengellerbuyukbasari.xyz/MDQ2MTZjMDhlZDQy/

https://zamaninguctusevinyasan.xyz/MDQ2MTZjMDhlZDQy/

https://gucluklertetekiseyaoyun.xyz/MDQ2MTZjMDhlZDQy/

https://hayatdersleriozetlemeler.xyz/MDQ2MTZjMDhlZDQy/

https://umutlarvesikintilarbirlik.xyz/MDQ2MTZjMDhlZDQy/

https://cikissizyollaryasadogru.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklarveguzelliklerin.xyz/MDQ2MTZjMDhlZDQy/

https://hayatsevdigiolumsuzluklar.xyz/MDQ2MTZjMDhlZDQy/

https://yasambaglantilaryaratici.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazlardayolbulanruhs.xyz/MDQ2MTZjMDhlZDQy/

https://hayathikayelerinikavrama.xyz/MDQ2MTZjMDhlZDQy/

https://yasanmisliklarvesiniflama.xyz/MDQ2MTZjMDhlZDQy/

https://umutvemucadelehayalleri.xyz/MDQ2MTZjMDhlZDQy/

https://zorhayathikayelerindenson.xyz/MDQ2MTZjMDhlZDQy/

rc4.plain

Extracted

Family

octo

C2

https://hayatindonderlerikararver.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklaryenicocugunhikaye.xyz/MDQ2MTZjMDhlZDQy/

https://yasamtarzdunyayidogrutani.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazyollardaumutarayan.xyz/MDQ2MTZjMDhlZDQy/

https://hayatinhikayesipratikcozum.xyz/MDQ2MTZjMDhlZDQy/

https://yasaminkavgaveodulleri.xyz/MDQ2MTZjMDhlZDQy/

https://kucukengellerbuyukbasari.xyz/MDQ2MTZjMDhlZDQy/

https://zamaninguctusevinyasan.xyz/MDQ2MTZjMDhlZDQy/

https://gucluklertetekiseyaoyun.xyz/MDQ2MTZjMDhlZDQy/

https://hayatdersleriozetlemeler.xyz/MDQ2MTZjMDhlZDQy/

https://umutlarvesikintilarbirlik.xyz/MDQ2MTZjMDhlZDQy/

https://cikissizyollaryasadogru.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklarveguzelliklerin.xyz/MDQ2MTZjMDhlZDQy/

https://hayatsevdigiolumsuzluklar.xyz/MDQ2MTZjMDhlZDQy/

https://yasambaglantilaryaratici.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazlardayolbulanruhs.xyz/MDQ2MTZjMDhlZDQy/

https://hayathikayelerinikavrama.xyz/MDQ2MTZjMDhlZDQy/

https://yasanmisliklarvesiniflama.xyz/MDQ2MTZjMDhlZDQy/

https://umutvemucadelehayalleri.xyz/MDQ2MTZjMDhlZDQy/

https://zorhayathikayelerindenson.xyz/MDQ2MTZjMDhlZDQy/

Attributes
  • target_apps

    at.spardat.bcrmobile

    at.spardat.netbanking

    com.bankaustria.android.olb

    com.bmo.mobile

    com.cibc.android.mobi

    com.denizbank.mobildeniz

    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

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.chair.october
    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:4212
    • /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.october/app_anchor/MFpndnf.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.chair.october/app_anchor/oat/x86/MFpndnf.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4237

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.chair.october/.qcom.chair.october

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/com.chair.october/app_anchor/MFpndnf.json

    Filesize

    153KB

    MD5

    1d6f64f0d716401121584aa7e445bd9b

    SHA1

    7aa240914f6138f921bb6d807a519e569085058a

    SHA256

    4c430152666f7107cebf9bad6a6b6a715ba51d85c2058bbf73780a3e844f748c

    SHA512

    35839625d3eb711d115f780c04e53412982d623ff86ef0844d4a5e47fb6a3d56e5d5f909dfd4e94ab12dc0ee1e84722e47eee25477f378fcad1e513f27502cf6

  • /data/data/com.chair.october/app_anchor/MFpndnf.json

    Filesize

    153KB

    MD5

    1d0a6361126924a5b23998afb82d358f

    SHA1

    3449de925ee370cb0e622526bb2d9f3c9aef408c

    SHA256

    5b8b57b675b69a26d1c1f69750c33502de2c4c9abbe822e367b18dcfd0eb3ab4

    SHA512

    47e0c230c4a1d2ca7ba4e73b81a166018965614854f54f58a51bd382204eb6cf17d8ea6d83da5d3585d657bc277f15e9ce4b9cd1f746bd0d270edfa811b345de

  • /data/data/com.chair.october/kl.txt

    Filesize

    45B

    MD5

    d9441cfdb145f11c3dd6a95f46f0c6bc

    SHA1

    d4a0e37148db1c4f49ffeb10b58b53ad7015eda3

    SHA256

    f9f9ce0fc56ba14b7e4f5c29b0fded1340f0ed0b8c14f82d3da6d789be34f519

    SHA512

    260d5b936353e444799ecd36895e6dc5a2a5e748bbd6b79381bd4ed6d10ac5624261e9fc4396f6dd142d1f33a6af73bc3a9379cf265f462f77ca238a66baee2e

  • /data/data/com.chair.october/kl.txt

    Filesize

    423B

    MD5

    92a153a80be7b590ab5d73ce8b3c7ea3

    SHA1

    0d9c66ee301c704db51e70717cef37d32eeff985

    SHA256

    093a23ba2caeee3a763d0a04a544d60177014d1f2288224fde4c28a54c6a07bd

    SHA512

    7489ec3eff7c43796403429bdcc7cae4fb122672b7dac0d81208e5a5fb4906f034c2ae66e6f0bc770e5420fb218c815b59f7b4faac2dce8d27b4bc0cca5476cd

  • /data/data/com.chair.october/kl.txt

    Filesize

    230B

    MD5

    1d7a25af7d0581ca2b67badbc06b28a9

    SHA1

    4865a4f1eb17ecf360049989948cc37b6c0456e3

    SHA256

    db86cf4e5f1af896297179fbf1a27944684a898a0c0bbe728a2b840d2add06b8

    SHA512

    802e6fa8d6604a5ce16790be0f5c87f8f24e138760c3c624dd85ab9d923a0bff52f4f18ae946b454ba9865e3ee40aecc96e85b0031acb331bffd179220300ad7

  • /data/data/com.chair.october/kl.txt

    Filesize

    54B

    MD5

    9248648a41e64bc9c708ccb6d2517e96

    SHA1

    222d7950b2aef0ad9d58e89491bb54ef13aa8284

    SHA256

    415e964b97a62fe23ca58418593410bac683c11aaf7b2a5ced02054b2fc00e3b

    SHA512

    6e30844ebd3dd27579b6a301a74dba4f566e8cb50ef88f3ebc04b36d2c1812d43ec8a5075590c2aac693b5a26608bef2723bbe2a876882db91bb4b452487ab79

  • /data/data/com.chair.october/kl.txt

    Filesize

    63B

    MD5

    4a02fd97a7998870a4f7f6b407aaf3fb

    SHA1

    e20cfea52f54e0b37db2a138d15642420a74ecbd

    SHA256

    55d9552ec08211244048a799a35c7e28d4c9b02b98b31a122a6af380ff3b38b7

    SHA512

    f176c561a10135647ca39cb9e91282b697b1a514256f86086abc66b3e857dce209b233d7da17e28688aaa0d0fe5f77597cd0456e74b75d0801c784987d434146

  • /data/user/0/com.chair.october/app_anchor/MFpndnf.json

    Filesize

    450KB

    MD5

    ac97ac2e3ae8d6350e22adaa704c28a3

    SHA1

    94915a212c683b037035a1db026a9028e2e1de9e

    SHA256

    48c17481565d5bcf5e9fb72d7c474de9a887ed9d4c6f91266a330e54ff60ce43

    SHA512

    3ed327017671c141e153996dc2582b468ba41b550c4e923b022e10ec02f0d61145c71b0c4e2513789e9fd44e7344ab149071f4f8aec80b4409521dbc82577861

  • /data/user/0/com.chair.october/app_anchor/MFpndnf.json

    Filesize

    450KB

    MD5

    eb5e3c1ad0182ebfd50ba61557a78b36

    SHA1

    4e642e1b3e99fd04d5d34d84b22382ed00ae8fb3

    SHA256

    2ac876000f6c45c08a191fd51ba7f3cafef9e01979c20ccc30c1cf24f0f6d170

    SHA512

    30b2a49964d3d5f28b3c142254db3bfed5b46f1686725b8bafdfb9a68681341351afd947a09be54e1603ad4695f5a68bcf7d306b671bc1499eb3075be456613a