Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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
    12-01-2025 22:01

General

  • Target

    4b00038a54e1aa1b2cfabff27e01fe7df47ba1e078228f22cecc2b97569584d0.apk

  • Size

    1.4MB

  • MD5

    a553473a145d05f95066a7deefd847bd

  • SHA1

    aa5163f06b1f64e1ead21bba9005e292dd30a6b5

  • SHA256

    4b00038a54e1aa1b2cfabff27e01fe7df47ba1e078228f22cecc2b97569584d0

  • SHA512

    c815749ce91e1dad0c386de4deb377c00da5f4569cd48e2d02e19ae1eaeef88e07f4f2bbdaa3c80cb612f1dfceaf5697622d65b0826c9e84943e6c7d40f30389

  • SSDEEP

    24576:A0eSEh6qqOudzbe5x9mflLG/3QszVg6oDCgI9WX+AU2Bpa+ngOlKJCaCk8Q8FSRm:A0eSEh6qqOudzCzuQDVu69/A6OlKJCa+

Malware Config

Extracted

Family

octo

C2

https://otorisotobuyukisyan.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomakineler.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoyukselishik.xyz/MzhiMTg0NTAwOTY5/

https://otorisotokontrol.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomucadele.xyz/MzhiMTg0NTAwOTY5/

https://otorisotodunyasiyasi.xyz/MzhiMTg0NTAwOTY5/

https://otorisotogelecek.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoveintikam.xyz/MzhiMTg0NTAwOTY5/

https://otorisotouyanisi.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomakineleri.xyz/MzhiMTg0NTAwOTY5/

https://otorisototarihiyolu.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoinsani.xyz/MzhiMTg0NTAwOTY5/

https://otorisotogucoyunu.xyz/MzhiMTg0NTAwOTY5/

https://otorisotopaylasim.xyz/MzhiMTg0NTAwOTY5/

https://otorisototeknoloji.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomakinasanati.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoplatform.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomucadelesan.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoarastirmasi.xyz/MzhiMTg0NTAwOTY5/

https://otorisotounutulmaz.xyz/MzhiMTg0NTAwOTY5/

rc4.plain

Extracted

Family

octo

C2

https://otorisotobuyukisyan.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomakineler.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoyukselishik.xyz/MzhiMTg0NTAwOTY5/

https://otorisotokontrol.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomucadele.xyz/MzhiMTg0NTAwOTY5/

https://otorisotodunyasiyasi.xyz/MzhiMTg0NTAwOTY5/

https://otorisotogelecek.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoveintikam.xyz/MzhiMTg0NTAwOTY5/

https://otorisotouyanisi.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomakineleri.xyz/MzhiMTg0NTAwOTY5/

https://otorisototarihiyolu.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoinsani.xyz/MzhiMTg0NTAwOTY5/

https://otorisotogucoyunu.xyz/MzhiMTg0NTAwOTY5/

https://otorisotopaylasim.xyz/MzhiMTg0NTAwOTY5/

https://otorisototeknoloji.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomakinasanati.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoplatform.xyz/MzhiMTg0NTAwOTY5/

https://otorisotomucadelesan.xyz/MzhiMTg0NTAwOTY5/

https://otorisotoarastirmasi.xyz/MzhiMTg0NTAwOTY5/

https://otorisotounutulmaz.xyz/MzhiMTg0NTAwOTY5/

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
  • 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
  • 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

  • jp.neoscorp.android.valuewallet.sole
    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:4335
    • /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/jp.neoscorp.android.valuewallet.sole/app_gadget/FdxNaII.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/jp.neoscorp.android.valuewallet.sole/app_gadget/oat/x86/FdxNaII.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4360

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/jp.neoscorp.android.valuewallet.sole/app_gadget/FdxNaII.json

    Filesize

    153KB

    MD5

    cab047a7a3fb0b21e6b7c9df72abde77

    SHA1

    115eb6d30c337e996104227f8313b0f894f5b2be

    SHA256

    323cdff205a604705e41fcb66b524389f25fda102678b9ca51016080253323ba

    SHA512

    e5854321815016c04bf0921fe194e2a3b21cbdaea50136f441bea3c0eeb6e1038c826d822879a14e7ddd09358926d0a3c6f7a617678bd58b59791993de2df43d

  • /data/data/jp.neoscorp.android.valuewallet.sole/app_gadget/FdxNaII.json

    Filesize

    153KB

    MD5

    9ab918b243c83cc4d505c6e5c6c4dcd1

    SHA1

    8308017a00efac28410138aafb1b2d4b073e267e

    SHA256

    343ec521af9a4e1bfca8c4c2c3352a6ea9c03b97531cae6c3f4a813cd0fd3e49

    SHA512

    da5fbdd9da7cf25f04e64544611be4623d900fa493fd3e521ee0d673e448897b7d2bd2fee8d7af0d1b83190e7b315d8e803084e98a6a1579421714355dd282a4

  • /data/user/0/jp.neoscorp.android.valuewallet.sole/app_gadget/FdxNaII.json

    Filesize

    450KB

    MD5

    be297a86a4fe11397ded2380a8b1f6b3

    SHA1

    2c498b868261034e38bd1690094a8d102bd8b8ee

    SHA256

    239eeb02d3cad87d51513982919e7f8f742595ed59914e4e4e784ef606f8ba9d

    SHA512

    014ca2401805250f2c181a36107d472cba5cf38ee9a9dc058aafa1938bc02d78ff1b577a3208e9e5bf9a5aa1a26825c1947b3b642cd2cda612a6832ba0edab5a

  • /data/user/0/jp.neoscorp.android.valuewallet.sole/app_gadget/FdxNaII.json

    Filesize

    450KB

    MD5

    2b1a579650b99b4bae11ba1bf6cacc74

    SHA1

    517703dcb8e0a4ddc73e7e1e32dabf9f6dc4bfa9

    SHA256

    e7d9dff9205346302f6f2dc2b328dcd711eeb013f1c32fa364b7cfe30af071e1

    SHA512

    2329400627195904240b65d1069e10bbd5b71544b4fe8e4f040021d12396853f1d7b0cb6dace00874dde5753138f6c0260b45f4bf404db1204a367765b2c123e