Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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
    03-01-2025 22:02

General

  • Target

    4ce28e23d211d706cfa717101a2ee2fe707d42bbc952bec677587035bdc07f05.apk

  • Size

    2.3MB

  • MD5

    70ffd46652002e7986d1242422de194c

  • SHA1

    e7b0a1872c9c101ade1d3614c8f2d2a2e57aa5ae

  • SHA256

    4ce28e23d211d706cfa717101a2ee2fe707d42bbc952bec677587035bdc07f05

  • SHA512

    360839f73f1a887e9ed1f98d89404c786f906dae011f1315a217719ee6dc79b451dae73a1771d80dfb19c612ab688afdcfc46617a975ddaa2ae73b9a12e7a9a8

  • SSDEEP

    49152:bhMWmFTqzAgGnuUVEvf6Vbxj57sD8GAa5PWL7oznvhLnuJj6ZFQ9yroSJOQyVi0p:bhTmFH3nVEvq+PWL7svZud9yESJO1iVE

Malware Config

Extracted

Family

octo

C2

https://karakalpakdostlugutasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodavesanat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakkulturunsirlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakgeleneklerikosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesentasarimlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdokumasanati.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodasıvehayat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyanihikayeler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakginensanatdiyari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesenvesanatkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpaklagelenektasima.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakustalarinakil.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodagercegi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanateserleri.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdaguzelrenkler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakseverlerinkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakileribakiyor.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdernegitutkusu.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanattasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyarenlerisever.xyz/NWNlNzMzN2Y4NmI2/

rc4.plain

Extracted

Family

octo

C2

https://karakalpakdostlugutasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodavesanat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakkulturunsirlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakgeleneklerikosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesentasarimlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdokumasanati.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodasıvehayat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyanihikayeler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakginensanatdiyari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesenvesanatkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpaklagelenektasima.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakustalarinakil.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodagercegi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanateserleri.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdaguzelrenkler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakseverlerinkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakileribakiyor.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdernegitutkusu.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanattasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyarenlerisever.xyz/NWNlNzMzN2Y4NmI2/

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

  • com.tennis.lunch
    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:4265
    • /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.tennis.lunch/app_flee/aw.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.tennis.lunch/app_flee/oat/x86/aw.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4291

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.tennis.lunch/app_flee/aw.json

    Filesize

    153KB

    MD5

    6217cbbca05c77d7791ea2e85c22e1d2

    SHA1

    5254134add1811ca58ed8a6edcf2fd32b83d3371

    SHA256

    70b94fb580925f102692461fac95f9d7498966821cba679369bb74e93236eb35

    SHA512

    0d70d36b385c0e8ded96d24686d417f1c1c142953b4b2b7c5d503ada8aa7e177ddb04364531501b1d592406f3b7381867ce4c7ea4b624e3fcf82b8f170302a63

  • /data/data/com.tennis.lunch/app_flee/aw.json

    Filesize

    153KB

    MD5

    c0d1d7e5525d42d2ed538a7ce63ac0f4

    SHA1

    ac6049fa86270bc8f87f5a20b4a2361a6acc431d

    SHA256

    e898d5a54ff758b82f3f36526c634c5fc99eccb524caa637550fc3f36cadf421

    SHA512

    7b173c0e0b74b03c8a502c71f1e87f5672bf2f3839bc44f5e8d9e09ad96057c9a481fc364e2976cc6c0524cf50168f74c89a8b97c3731b01417e97733e2e9b9f

  • /data/user/0/com.tennis.lunch/app_flee/aw.json

    Filesize

    451KB

    MD5

    ed83cf96a3d5a46ebfcfc24652982dd5

    SHA1

    1ccfed32bc7e05b4f3106098745da6e2caa75f6e

    SHA256

    5f7e1be944e14b058d242f66841ce1f5aca4959455ae22515e0ccf55962c6bb7

    SHA512

    76eed7941ef588339b5507d0cad4426416947f9ad8cc4f3ba7912afd1446ea37e1759e65af2de3cb547f8e017c17e49aef6ec10f807a8cfa13637b6f6d1e0463

  • /data/user/0/com.tennis.lunch/app_flee/aw.json

    Filesize

    451KB

    MD5

    182b02d7488b7d20422ccd18c55095f8

    SHA1

    b8280a9b8da7553dd9744952bb5fd41fb3c850a2

    SHA256

    4dc422f9b7b8fa6d671f2c70f229386f90db16fca140ec9f8b98a2bf08fb4111

    SHA512

    097025e0849328e91615ff0f5ba8f267e645132a2db73bbbf521584397f1b9d65d9dec043c33486e5113f40b8346ec657806c5d735c320486161093e7d9a745a